{"id":1261,"date":"2026-05-12T08:14:06","date_gmt":"2026-05-12T08:14:06","guid":{"rendered":"https:\/\/www.packtests.com\/?post_type=standard&#038;p=1261"},"modified":"2026-05-12T09:09:33","modified_gmt":"2026-05-12T09:09:33","slug":"astm-f1921","status":"publish","type":"standard","link":"https:\/\/www.packtests.com\/lv\/standard\/astm-f1921\/","title":{"rendered":"ASTM F1921"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1261\" class=\"elementor elementor-1261\" data-elementor-post-type=\"standard\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5ec1237 e-flex e-con-boxed e-con e-parent\" data-id=\"5ec1237\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b53c995 elementor-widget elementor-widget-text-editor\" data-id=\"b53c995\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>ASTM F1921 un karst\u0101s sa\u0137eres p\u0101rbaudes metode<\/h2><p>Standarts ASTM F1921 nosaka <strong>laboratorijas metode, ar ko nosaka termisk\u0101s savienojumu iztur\u012bbu t\u016bl\u012bt p\u0113c to izveido\u0161anas<\/strong>, pirms materi\u0101ls atdziest l\u012bdz apk\u0101rt\u0113j\u0101s vides temperat\u016brai. \u0160\u012b \u012bpa\u0161\u012bba \u2014 paz\u012bstama k\u0101 <em>silt\u0101 l\u012bm\u0113juma iztur\u012bba<\/em>\u2014ir \u013coti svar\u012bgs \u0101trdarb\u012bg\u0101s iepako\u0161anas vid\u0113s, jo \u012bpa\u0161i <strong>form-fill-seal (FFS)<\/strong> procesi.<\/p><p>Port\u0101ls <strong>karst\u0101s l\u012bmes p\u0101rbaudes metode<\/strong> simul\u0113 re\u0101los bl\u012bv\u0113juma apst\u0101k\u013cus, termoplastiskaj\u0101m pl\u0113v\u0113m piem\u0113rojot kontrol\u0113tu siltumu un spiedienu.<\/p><p>At\u0161\u0137ir\u012bb\u0101 no parastajiem bl\u012bv\u0113juma iztur\u012bbas testiem, kurus veic istabas temperat\u016br\u0101, ASTM F1921 standarts un karst\u0101s sa\u0137eres testa metode nov\u0113rt\u0113 <strong>plombas integrit\u0101tes p\u0101rbaude re\u0101llaik\u0101 termiskas slodzes apst\u0101k\u013cos<\/strong>, t\u0101d\u0113j\u0101di tam ir \u013coti liela noz\u012bme ra\u017eo\u0161anas stabilit\u0101tes un iepakojuma uzticam\u012bbas nodro\u0161in\u0101\u0161an\u0101.<\/p><h2>Karst\u0101s sa\u0137eres p\u0101rbaudes process<\/h2><p>Standarts ASTM F1921 nosaka termisk\u0101 savienojuma iztur\u012bbu t\u016bl\u012bt p\u0113c t\u0101 izveido\u0161anas. Test\u0113\u0161anas cikls ietver savieno\u0161anu, sp\u012b\u013cu atv\u0113r\u0161anu, izvilk\u0161anu, pauzi\/atdzes\u0113\u0161anu un sp\u012b\u013cu atdal\u012b\u0161anu, lai izm\u0113r\u012btu sp\u0113ku.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ef8e840 e-con-full e-flex e-con e-child\" data-id=\"ef8e840\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8140b4b e-con-full e-flex e-con e-child\" data-id=\"8140b4b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e756c01 elementor-widget__width-inherit elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"e756c01\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-1-Seal.webp\" class=\"attachment-large size-large wp-image-1278\" alt=\"Karst\u0101s sa\u0137eres p\u0101rbaudes process 1. bl\u012bv\u0113jums\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-1-Seal.webp 300w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-1-Seal-18x12.webp 18w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">1. Z\u012bmogs<\/h3><p class=\"elementor-image-box-description\">Divas str\u012bpas tiek aizz\u012bmogotas noteikt\u0101 temperat\u016br\u0101, spiedien\u0101 un tur\u0113\u0161anas laik\u0101.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4658d39 elementor-widget__width-initial elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"4658d39\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85446db elementor-widget__width-inherit elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"85446db\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-2-Open-Jaws.webp\" class=\"attachment-large size-large wp-image-1279\" alt=\"Karst\u0101s sa\u0137eres p\u0101rbaudes process ar 2 atv\u0113rt\u0101m skav\u0101m\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-2-Open-Jaws.webp 300w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-2-Open-Jaws-18x12.webp 18w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">2. \u201eOpen Jaws\u201c<\/h3><p class=\"elementor-image-box-description\">\u017dok\u013ci atveras, un nosl\u0113gt\u0101 zona tiek atbr\u012bvota.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-81869d6 elementor-widget__width-initial elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"81869d6\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82dcd8d elementor-widget__width-inherit elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"82dcd8d\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-3-Withdraw.webp\" class=\"attachment-large size-large wp-image-1280\" alt=\"Karst\u0101s sa\u0137eres p\u0101rbaudes process Nr. 3 \u2014 izvilk\u0161ana\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-3-Withdraw.webp 300w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-3-Withdraw-18x12.webp 18w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">3. Iz\u0146emt<\/h3><p class=\"elementor-image-box-description\">Paraugs tiek autom\u0101tiski izvilkts no sp\u012bl\u0113m.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3657b98 e-con-full e-flex e-con e-child\" data-id=\"3657b98\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e93267b elementor-widget__width-initial elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"e93267b\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17acaff elementor-widget__width-inherit elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"17acaff\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-4-Delay-Cooling.webp\" class=\"attachment-large size-large wp-image-1281\" alt=\"Karst\u0101s sa\u0137eres p\u0101rbaudes process 4 \u2014 pak\u0101peniska atdzes\u0113\u0161ana\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-4-Delay-Cooling.webp 300w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-4-Delay-Cooling-18x12.webp 18w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">4. Aizkav\u0113\u0161an\u0101s \/ Dzes\u0113\u0161ana<\/h3><p class=\"elementor-image-box-description\">P\u0113c \u017eok\u013cu atv\u0113r\u0161anas s\u0101kas iepriek\u0161 iestat\u012bta kav\u0113\u0161an\u0101s (atdzi\u0161anas laiks).<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e6530af elementor-widget__width-initial elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"e6530af\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f33db0e elementor-widget__width-inherit elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"f33db0e\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-5-Separate-Measure.webp\" class=\"attachment-large size-large wp-image-1282\" alt=\"Karst\u0101s sa\u0137eres p\u0101rbaudes process 5. Atdal\u012b\u0161ana un m\u0113r\u012b\u0161ana\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-5-Separate-Measure.webp 300w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Hot-Tack-Testing-Process-5-Separate-Measure-18x12.webp 18w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">5. Atdal\u012bt un nosv\u0113rt<\/h3><p class=\"elementor-image-box-description\">S\u0101nu rokturi atdal\u0101s ar nemain\u012bgu \u0101trumu, un tiek m\u0113r\u012bts sp\u0113ks, kas nepiecie\u0161ams, lai atv\u0113rtu bl\u012bv\u0113jumu, l\u012bdz br\u012bdim, kad tas p\u0101rtr\u016bkst.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1d4788 elementor-widget elementor-widget-text-editor\" data-id=\"c1d4788\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Galvenie main\u012bgie lielumi ASTM F1921 test\u0113\u0161an\u0101<\/h2><ul><li><strong>Aizv\u0101k\u0161anas temperat\u016bra:<\/strong> Parasti tiek main\u012bts, lai ieg\u016btu karst\u0101s sa\u0137eres l\u012bkni<\/li><li><strong>Uztur\u0113\u0161an\u0101s laiks:<\/strong><ul><li>pl\u0113ves, kuru biezums ir \u226425 \u00b5m: ~0,5 s<\/li><li>25\u201364 \u00b5m pl\u0113ves: ~1,0 s<\/li><li>64 \u00b5m pl\u0113ves: ~2,5 s<\/li><\/ul><\/li><li><strong>Herm\u0113tiz\u0101cijas spiediens:<\/strong> 15\u201330 N\/cm\u00b2<\/li><li><strong>Dzes\u0113\u0161anas laiks \/ aizkaves laiks:<\/strong> Nosaka m\u0113r\u012bjumu laiku<\/li><li><strong>Atdal\u012b\u0161anas \u0101trums:<\/strong> Parasti 200 mm\/min (A metode)<\/li><\/ul><p>\u0160ie parametri tie\u0161i ietekm\u0113 gala rezult\u0101tu <strong>elast\u012bg\u0101 iepakojuma karst\u0101 l\u012bm\u0113juma iztur\u012bba<\/strong> materi\u0101li.<\/p><h2>Karst\u0101s sa\u0137eres test\u0113t\u0101js: nepiecie\u0161amais apr\u012bkojums saska\u0146\u0101 ar standartu ASTM F1921<\/h2><p>A <strong>karst\u0101s l\u012bmes test\u0113t\u0101js<\/strong> ir \u012bpa\u0161i izstr\u0101d\u0101ts, lai atk\u0101rtotu ASTM F1921 standart\u0101 defin\u0113to aizz\u012bmogo\u0161anas un t\u016bl\u012bt\u0113j\u0101s no\u0146em\u0161anas procesu. Modernas sist\u0113mas \u2014 piem\u0113ram, t\u0101s, ko izstr\u0101d\u0101jusi uz\u0146\u0113mums \u201eCell Instruments Co., Ltd.\u201c \u2014 pied\u0101v\u0101:<\/p><ul><li><strong>Uz PLC balst\u012btas vad\u012bbas sist\u0113mas<\/strong> atk\u0101rtojam\u012bbas nodro\u0161in\u0101\u0161anai<\/li><li><strong>PID temperat\u016bras regul\u0113\u0161ana (precizit\u0101te \u00b10,2 \u00b0C)<\/strong><\/li><li><strong>Automatiz\u0113tie test\u0113\u0161anas cikli<\/strong> nov\u0113r\u0161ot operatora ietekmi<\/li><li><strong>Regul\u0113jami testa \u0101trumi un spiedieni<\/strong><\/li><li><strong>Sp\u0113ka m\u0113r\u012b\u0161ana ar augstu iz\u0161\u0137irtsp\u0113ju<\/strong><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-696a839 e-con-full e-flex e-con e-child\" data-id=\"696a839\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a44a8e6 elementor-widget elementor-widget-text-editor\" data-id=\"a44a8e6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3>Ieteicamais risin\u0101jums<\/h3><p>Cell Instruments HTT s\u0113rija atbalsta:<\/p><ul><li><strong>A metode (fiks\u0113ta kav\u0113\u0161an\u0101s)<\/strong> un <strong>B metode (main\u012bga kav\u0113\u0161an\u0101s)<\/strong><\/li><li>Da\u017e\u0101di testa re\u017e\u012bmi: karst\u0101s sa\u0137eres, atdal\u012b\u0161anas, stiepes un termisk\u0101s savieno\u0161anas testi<\/li><li>\u0100trgaitas test\u0113\u0161ana l\u012bdz <strong>12 000 mm\/min<\/strong> (HTT-02)<\/li><\/ul><p>\u0160\u012b elast\u012bba \u013cauj prec\u012bzi raksturot da\u017e\u0101dus materi\u0101lus un to bl\u012bv\u0113juma \u012bpa\u0161\u012bbas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d56d80 elementor-widget elementor-widget-image\" data-id=\"1d56d80\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"638\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/ASTM-F1921-Hot-Tack-Tester.webp\" class=\"attachment-large size-large wp-image-1283\" alt=\"ASTM F1921 karst\u0101s sa\u0137eres test\u0113t\u0101js\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/ASTM-F1921-Hot-Tack-Tester.webp 400w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/ASTM-F1921-Hot-Tack-Tester-188x300.webp 188w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/ASTM-F1921-Hot-Tack-Tester-8x12.webp 8w\" sizes=\"(max-width: 400px) 100vw, 400px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c31033e elementor-widget elementor-widget-text-editor\" data-id=\"c31033e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Elast\u012bg\u0101 iepakojuma karst\u0101 l\u012bm\u0113juma iztur\u012bba<\/strong><\/h2><p>Port\u0101ls <strong>elast\u012bg\u0101 iepakojuma karst\u0101 l\u012bm\u0113juma iztur\u012bba<\/strong> nosaka, vai iepakojums sp\u0113j iztur\u0113t slodzi uzreiz p\u0113c aizz\u012bmogo\u0161anas. V\u0101ja karst\u0101 sa\u0137ere var izrais\u012bt:<\/p><ul><li>Plombas atv\u0113r\u0161ana pild\u012b\u0161anas laik\u0101<\/li><li>Produkta pies\u0101r\u0146ojums vai nopl\u016bde<\/li><li>Samazin\u0101ta iepakojuma efektivit\u0101te<\/li><li>Atkritumu daudzuma pieaugums un d\u012bkst\u0101ves laiks<\/li><\/ul><p>Standarts ASTM F1921 pal\u012bdz ra\u017eot\u0101jiem:<\/p><ul><li><strong>Materi\u0101la veiktsp\u0113jas nov\u0113rt\u0113jums<\/strong><\/li><li><strong>Optimiz\u0113jiet bl\u012bv\u0113juma parametrus<\/strong><\/li><li><strong>Nodro\u0161in\u0101t procesu stabilit\u0101ti FFS darb\u012bb\u0101s<\/strong><\/li><\/ul><h2>ASTM F1921 p\u0101rbaudes metodes<br \/>\u2014Metode A pret metodi B<\/h2><p>Standarts ASTM F1921 nosaka divas at\u0161\u0137ir\u012bgas pieejas:<\/p><h3>A metode \u2013 fiks\u0113ta kav\u0113\u0161an\u0101s<\/h3><ul><li>M\u0113ra bl\u012bv\u0113juma iztur\u012bbu pie <strong>konkr\u0113ti dzes\u0113\u0161anas laiki<\/strong><\/li><li>Rad\u012bta <strong>karst\u0101s saites iztur\u012bbas un laika attiec\u012bbas l\u012bkne<\/strong><\/li><li>Piem\u0113rots detaliz\u0113tai dzes\u0113\u0161anas procesa anal\u012bzei<\/li><\/ul><h3>B metode \u2013 main\u012bga kav\u0113\u0161an\u0101s<\/h3><ul><li>Pas\u0101kumi <strong>maksim\u0101lais sp\u0113ks p\u0113c izv\u0113l\u0113t\u0101s kav\u0113\u0161an\u0101s<\/strong><\/li><li>\u0100tr\u0101k un vienk\u0101r\u0161\u0101k ikdienas kvalit\u0101tes kontroles p\u0101rbaud\u0113m<\/li><li>Ide\u0101li piem\u0113rots <strong>ra\u017eo\u0161anas vides<\/strong><\/li><\/ul><h2>K\u013c\u016bdu veidi karst\u0101s piestiprin\u0101\u0161anas test\u0113\u0161an\u0101<\/h2><p>Lai pareizi interpret\u0113tu ASTM F1921 rezult\u0101tus, ir b\u016btiski izprast bl\u012bv\u0113juma atdal\u012b\u0161an\u0101s veidus. At\u0161\u0137ir\u012bgas boj\u0101jumu paz\u012bmes liecina par da\u017e\u0101d\u0101m probl\u0113m\u0101m saist\u012bb\u0101 ar materi\u0101lu vai procesu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-63ec2a0 e-con-full e-flex e-con e-child\" data-id=\"63ec2a0\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b7ab802 e-con-full e-grid e-con e-child\" data-id=\"b7ab802\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34fc5c5 elementor-widget__width-inherit elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"34fc5c5\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img loading=\"lazy\" decoding=\"async\" width=\"162\" height=\"122\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-1.webp\" class=\"attachment-large size-large wp-image-1284\" alt=\"K\u013c\u016bdu veidi karst\u0101s l\u012bmes p\u0101rbaud\u0113s 1\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-1.webp 162w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-1-16x12.webp 16w\" sizes=\"(max-width: 162px) 100vw, 162px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">L\u012bmlapa<\/h3><p class=\"elementor-image-box-description\"><p style=\"text-align: left\">Atdal\u012b\u0161an\u0101s notiek abu virsmu saskares viet\u0101.<br><b>Nor\u0101da: <\/b>Nepietiekama saite starp virsm\u0101m vai nepietiekama siltuma\/spiediena iedarb\u012bba.<\/p><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9691fc8 elementor-widget__width-inherit elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"9691fc8\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img loading=\"lazy\" decoding=\"async\" width=\"162\" height=\"122\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-2.webp\" class=\"attachment-large size-large wp-image-1285\" alt=\"K\u013c\u016bdu veidi karst\u0101s l\u012bmes p\u0101rbaud\u0113s 2\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-2.webp 162w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-2-16x12.webp 16w\" sizes=\"(max-width: 162px) 100vw, 162px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Saska\u0146ota m\u012bkstin\u0101\u0161ana<\/h3><p class=\"elementor-image-box-description\"><p style=\"text-align: left\">Boj\u0101jums rodas vien\u0101 no polim\u0113ra sl\u0101\u0146iem.<br><b>Nor\u0101da:<\/b> Sp\u0113c\u012bga saite starp virsm\u0101m; pats materi\u0101ls saboj\u0101jas.<\/p><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b8ab6b4 elementor-widget__width-inherit elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"b8ab6b4\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img loading=\"lazy\" decoding=\"async\" width=\"162\" height=\"122\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-3.webp\" class=\"attachment-large size-large wp-image-1286\" alt=\"K\u013c\u016bdu veidi karst\u0101s l\u012bmes p\u0101rbaud\u0113s 3\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-3.webp 162w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-3-16x12.webp 16w\" sizes=\"(max-width: 162px) 100vw, 162px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Sl\u0101\u0146u atdal\u012b\u0161an\u0101s<\/h3><p class=\"elementor-image-box-description\"><p style=\"text-align: left\">Atstarpe starp daudzsl\u0101\u0146u strukt\u016bras sl\u0101\u0146iem. <br><b>Nor\u0101da:<\/b> V\u0101ja saite starp sl\u0101\u0146iem lamin\u0113tajos materi\u0101los.<\/p><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-90ba3b6 elementor-widget__width-inherit elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"90ba3b6\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img loading=\"lazy\" decoding=\"async\" width=\"162\" height=\"122\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-4.webp\" class=\"attachment-large size-large wp-image-1287\" alt=\"K\u013c\u016bdu veidi karst\u0101s l\u012bmes p\u0101rbaud\u0113s 4\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-4.webp 162w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-4-16x12.webp 16w\" sizes=\"(max-width: 162px) 100vw, 162px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Materi\u0101la p\u0101rtraukums<\/h3><p class=\"elementor-image-box-description\"><p style=\"text-align: left\">Filma atdal\u0101s no ro\u0146u apgabala<br><b>Nor\u0101da:<\/b> Bl\u012bv\u0113jums ir iztur\u012bg\u0101ks nek\u0101 pamatne.<\/p><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f67fd38 elementor-widget__width-inherit elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"f67fd38\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img loading=\"lazy\" decoding=\"async\" width=\"162\" height=\"122\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-5.webp\" class=\"attachment-large size-large wp-image-1288\" alt=\"K\u013c\u016bdu veidi karst\u0101s l\u012bmes p\u0101rbaud\u0113s 5\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-5.webp 162w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-5-16x12.webp 16w\" sizes=\"(max-width: 162px) 100vw, 162px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Att\u0101lin\u0101ta p\u0101rtrauk\u0161ana<\/h3><p class=\"elementor-image-box-description\"><p style=\"text-align: left\">L\u016bzums rodas viet\u0101, kas atrodas t\u0101lu no bl\u012bv\u0113juma.<br><b>Nor\u0101da:<\/b> Bl\u012bv\u0113jums ir daudz iztur\u012bg\u0101ks nek\u0101 materi\u0101ls.<\/p><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b467121 elementor-widget__width-inherit elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"b467121\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img loading=\"lazy\" decoding=\"async\" width=\"162\" height=\"122\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-6.webp\" class=\"attachment-large size-large wp-image-1289\" alt=\"K\u013c\u016bdu veidi karst\u0101s l\u012bmes p\u0101rbaud\u0113s 6\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-6.webp 162w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-6-16x12.webp 16w\" sizes=\"(max-width: 162px) 100vw, 162px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Materi\u0101la stiepes koeficients<\/h3><p class=\"elementor-image-box-description\"><p style=\"text-align: left\">Neaizsarg\u0101ts materi\u0101ls pirms l\u016b\u0161anas iev\u0113rojami izstiepjas.<br><b>Nor\u0101da:<\/b> Pl\u0113ves augsta plastiskums un elast\u012bba.<\/p><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17b150b elementor-widget__width-inherit elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"17b150b\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img loading=\"lazy\" decoding=\"async\" width=\"162\" height=\"122\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-7.webp\" class=\"attachment-large size-large wp-image-1290\" alt=\"K\u013c\u016bdu veidi karst\u0101s l\u012bmes p\u0101rbaud\u0113s 7\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-7.webp 162w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/05\/Failure-Modes-in-Hot-Tack-Testing-7-16x12.webp 16w\" sizes=\"(max-width: 162px) 100vw, 162px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Miza ar stiepes iztur\u012bbu<\/h3><p class=\"elementor-image-box-description\"><p style=\"text-align: left\">Atdal\u012b\u0161an\u0101s, kam seko iev\u0113rojama neaizsarg\u0101t\u0101 materi\u0101la stiep\u0161an\u0101s.<br><b>Nor\u0101da:<\/b> L\u012bmes saites p\u0101rr\u0101vuma un materi\u0101la plastiskuma mijiedarb\u012bba.<\/p><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-544c157 elementor-widget elementor-widget-text-editor\" data-id=\"544c157\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>\u201eHot Tack\u201c l\u012bknes izveide procesa optimiz\u0101cijai<\/h2><p>A <strong>karst\u0101s l\u012bmes l\u012bkne<\/strong> att\u0113l\u0101 par\u0101d\u012bta bl\u012bv\u0113juma iztur\u012bba atkar\u012bb\u0101 no temperat\u016bras. Tas pal\u012bdz noteikt:<\/p><ul><li>V\u0101rsta atv\u0113r\u0161an\u0101s temperat\u016bra (SIT)<\/li><li>Logs ar optim\u0101lu herm\u0113tiskumu<\/li><li>Maksim\u0101l\u0101 karst\u0101s sa\u0137eres iztur\u012bba<\/li><\/ul><p>\u0160ie dati \u013cauj in\u017eenieriem <strong>prec\u012bzi noregul\u0113t hermetiz\u0101cijas parametrus, lai nodro\u0161in\u0101tu stabilu iepako\u0161anas veiktsp\u0113ju<\/strong>.<\/p><h2>Bie\u017ei uzdotie jaut\u0101jumi par standartu ASTM F1921<\/h2><ol><li><strong> K\u0101ds ir standarta ASTM F1921 galvenais m\u0113r\u0137is?<\/strong><br \/>Taj\u0101 tiek nov\u0113rt\u0113ts <strong>termoplastisko bl\u012bvju karst\u0101 sa\u0137eres iztur\u012bba t\u016bl\u012bt p\u0113c bl\u012bv\u0113juma izveides<\/strong>, nodro\u0161inot iepakojuma uzticam\u012bbu ra\u017eo\u0161anas proces\u0101.<\/li><li><strong> K\u0101 ASTM F1921 at\u0161\u0137iras no ASTM F88?<\/strong><br \/><a href=\"https:\/\/store.astm.org\/f1921_f1921m-12r23.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM F1921<\/a> pas\u0101kumi <strong>karst\u0101 z\u012bmoga iztur\u012bba<\/strong>, savuk\u0101rt standarts ASTM F88 nosaka <strong>aukst\u0101 l\u012bm\u0113juma iztur\u012bba<\/strong> p\u0113c atdzes\u0113\u0161anas.<\/li><li><strong> Kuras nozares izmanto karst\u0101s l\u012bmes p\u0101rbaudes?<\/strong><br \/>P\u0101rtikas, farm\u0101cijas, medic\u012bnisko ier\u012b\u010du un elast\u012bg\u0101 iepakojuma ra\u017eo\u0161anas nozares liel\u0101 m\u0113r\u0101 pa\u013caujas uz \u0161o testu.<\/li><li><strong> K\u0101da ir at\u0161\u0137ir\u012bba starp A metodi un B metodi?<\/strong><br \/>A metode m\u0113ra sp\u0113ku laika gait\u0101; B metode re\u0123istr\u0113 maksim\u0101lo sp\u0113ku p\u0113c noteiktas kav\u0113\u0161an\u0101s.<\/li><li><strong> K\u0101p\u0113c karst\u0101 sa\u0137ere ir svar\u012bga FFS procesos?<\/strong><br \/>T\u0101 k\u0101 bl\u012bv\u0113m pirms atdzes\u0113\u0161anas rodas spriedze, nepietiekama karst\u0101 sa\u0137ere var izrais\u012bt <strong>plombas boj\u0101jums iepako\u0161anas laik\u0101<\/strong>.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>ASTM F1921 un karst\u0101s sa\u0137eres p\u0101rbaudes metode ASTM F1921 nosaka laboratorijas metodi, ar ko m\u0113ra termisk\u0101s saites iztur\u012bbu t\u016bl\u012bt p\u0113c t\u0101s veido\u0161an\u0101s, pirms materi\u0101ls atdziest l\u012bdz apk\u0101rt\u0113j\u0101s vides temperat\u016brai. \u0160\u012b \u012bpa\u0161\u012bba \u2014 paz\u012bstama k\u0101 karst\u0101s sa\u0137eres iztur\u012bba \u2014 ir \u013coti svar\u012bga \u0101trdarb\u012bg\u0101s iepako\u0161anas vid\u0113s, jo \u012bpa\u0161i form\u0113\u0161anas, pild\u012b\u0161anas un aizz\u012bmogo\u0161anas (FFS) procesos. Karst\u0101s sa\u0137eres p\u0101rbaudes metode simul\u0113 re\u0101los aizz\u012bmogo\u0161anas apst\u0101k\u013cus, [\u2026]<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false},"standard-category":[64],"class_list":["post-1261","standard","type-standard","status-publish","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/standard\/1261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/types\/standard"}],"version-history":[{"count":5,"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/standard\/1261\/revisions"}],"predecessor-version":[{"id":1297,"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/standard\/1261\/revisions\/1297"}],"wp:attachment":[{"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/media?parent=1261"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packtests.com\/lv\/wp-json\/wp\/v2\/standard-category?post=1261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}