{"id":1192,"date":"2026-03-27T02:28:37","date_gmt":"2026-03-27T02:28:37","guid":{"rendered":"https:\/\/www.packtests.com\/?post_type=method&p=1192"},"modified":"2026-03-27T02:28:38","modified_gmt":"2026-03-27T02:28:38","slug":"heat-seal-strength-test-method","status":"publish","type":"method","link":"https:\/\/www.packtests.com\/vi\/method\/heat-seal-strength-test-method\/","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u1ec1n m\u1ed1i h\u00e0n nhi\u1ec7t"},"content":{"rendered":"

C\u00e1i Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u1ec1n m\u1ed1i h\u00e0n nhi\u1ec7t<\/strong> l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c m\u1ed1i h\u00e0n nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i d\u1ebbo. Bao b\u00ec \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o qu\u1ea3n s\u1ea3n ph\u1ea9m, v\u00e0 m\u1ed9t m\u1ed1i h\u00e0n nhi\u1ec7t ch\u1eafc ch\u1eafn s\u1ebd \u0111\u1ea3m b\u1ea3o b\u1ea3o v\u1ec7 n\u1ed9i dung b\u00ean trong kh\u1ecfi c\u00e1c t\u00e1c nh\u00e2n b\u00ean ngo\u00e0i. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 kh\u1ea3 n\u0103ng h\u00e0n nhi\u1ec7t c\u1ee7a m\u00e0ng nh\u1ef1a, ASTM F2029<\/strong> ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m v\u00e0 c\u00e1ch \u0111o \u0111\u1ed9 b\u1ec1n m\u1ed1i h\u00e0n nhi\u1ec7t m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

\u0110\u1ed9 b\u1ec1n m\u1ed1i h\u00e0n nhi\u1ec7t l\u00e0 g\u00ec?<\/h2>\n\n\n\n

\u0110\u1ed9 b\u1ec1n m\u1ed1i h\u00e0n nhi\u1ec7t l\u00e0 l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m \u0111\u1ee9t m\u1ed1i h\u00e0n \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1eb1ng c\u00e1ch t\u00e1c \u0111\u1ed9ng nhi\u1ec7t v\u00e0 \u00e1p l\u1ef1c l\u00ean hai l\u1edbp v\u1eadt li\u1ec7u. Th\u1eed nghi\u1ec7m n\u00e0y \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u1ee9t c\u1ee7a m\u1ed1i h\u00e0n nhi\u1ec7t khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c l\u1ef1c c\u01a1 h\u1ecdc, \u0111\u00e2y l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u duy tr\u00ec \u0111\u01b0\u1ee3c t\u00ednh to\u00e0n v\u1eb9n trong su\u1ed1t qu\u00e1 tr\u00ecnh \u0111\u00f3ng g\u00f3i.<\/p>\n\n\n\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n m\u1ed1i h\u00e0n nhi\u1ec7t<\/h2>\n\n\n\n

Vi\u1ec7c \u0111\u00e1nh gi\u00e1 c\u00e1c m\u1ed1i h\u00e0n nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ASTM F2029<\/strong>, m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n t\u1eadp trung v\u00e0o c\u00e1c quy tr\u00ecnh th\u00ed nghi\u1ec7m nh\u1eb1m x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng h\u00e0n nhi\u1ec7t c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u r\u00e0o c\u1ea3n d\u1ebbo. Th\u1eed nghi\u1ec7m n\u00e0y \u0111o l\u01b0\u1eddng l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m lan r\u1ed9ng v\u1ebft r\u00e1ch t\u1ea1i khu v\u1ef1c \u0111\u00e3 \u0111\u01b0\u1ee3c h\u00e0n nhi\u1ec7t tr\u00ean m\u1eabu th\u1eed v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u1ed1i h\u00e0n nhi\u1ec7t trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

C\u00e1i Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ASTM F2029<\/strong> Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng cho nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau nh\u01b0 m\u00e0ng nh\u1ef1a, m\u00e0ng nhi\u1ec1u l\u1edbp v\u00e0 c\u00e1c c\u1ea5u tr\u00fac gh\u00e9p l\u1edbp, \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u1ea7n thi\u1ebft cho bao b\u00ec. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y h\u00e0n nhi\u1ec7t, t\u00e1c \u0111\u1ed9ng nhi\u1ec7t v\u00e0 \u00e1p l\u1ef1c l\u00ean v\u1eadt li\u1ec7u, t\u1ea1o ra m\u1ed1i h\u00e0n sau \u0111\u00f3 \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n.<\/p>\n\n\n\n

C\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh trong th\u1eed nghi\u1ec7m h\u00e0n nhi\u1ec7t<\/h2>\n\n\n\n
    \n
  1. Nhi\u1ec7t \u0111\u1ed9:<\/strong> Nhi\u1ec7t \u0111\u1ed9 h\u00e0n l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u1ed1i h\u00e0n nhi\u1ec7t. C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau \u0111\u00f2i h\u1ecfi c\u00e1c m\u1ee9c nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3 \u0111\u1ec3 t\u1ea1o ra m\u1ed1i h\u00e0n t\u1ed1i \u01b0u.<\/li>\n\n\n\n
  2. \u00c1p su\u1ea5t:<\/strong> \u00c1p su\u1ea5t t\u00e1c d\u1ee5ng trong qu\u00e1 tr\u00ecnh h\u00e0n k\u00edn ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec \u1ed5n \u0111\u1ecbnh, th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 40 \u0111\u1ebfn 70 psi (276 \u0111\u1ebfn 483 kPa), t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i v\u1eadt li\u1ec7u.<\/li>\n\n\n\n
  3. Th\u1eddi gian l\u01b0u l\u1ea1i:<\/strong> Th\u1eddi gian t\u00e1c \u0111\u1ed9ng nhi\u1ec7t v\u00e0 \u00e1p su\u1ea5t c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u1ed1i h\u00e0n. Vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh th\u1eddi gian gi\u1eef nhi\u1ec7t gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u00e0n t\u1ed1i \u01b0u cho c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau.<\/li>\n\n\n\n
  4. C\u1ea5u h\u00ecnh ph\u1edbt:<\/strong> Lo\u1ea1i k\u1eb9p v\u00e0 l\u1edbp ph\u1ee7 c\u1ee7a ch\u00fang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a \u0111\u01b0\u1eddng h\u00e0n nhi\u1ec7t. Trong c\u00e1c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i, vi\u1ec7c l\u1ef1a ch\u1ecdn k\u1eb9p h\u00e0n c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a \u0111\u01b0\u1eddng h\u00e0n.<\/li>\n<\/ol>\n\n\n\n

    Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ASTM F2029: Quy tr\u00ecnh v\u00e0 ti\u00eau chu\u1ea9n<\/h2>\n\n\n\n

    Ti\u00eau chu\u1ea9n ASTM F2029 quy \u0111\u1ecbnh quy tr\u00ecnh ti\u00eau chu\u1ea9n \u0111\u1ec3 chu\u1ea9n b\u1ecb v\u00e0 th\u1eed nghi\u1ec7m c\u00e1c m\u1ed1i h\u00e0n nhi\u1ec7t. Quy tr\u00ecnh n\u00e0y bao g\u1ed3m:<\/p>\n\n\n\n

      \n
    • Chu\u1ea9n b\u1ecb m\u1eabu:<\/strong> V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c c\u1eaft theo k\u00edch th\u01b0\u1edbc c\u1ee5 th\u1ec3, th\u01b0\u1eddng c\u00f3 chi\u1ec1u r\u1ed9ng t\u1eeb 15 \u0111\u1ebfn 25 mm, v\u00e0 \u0111\u01b0\u1ee3c h\u00e0n k\u00edn trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/li>\n\n\n\n
    • \u0110i\u1ec1u ki\u1ec7n ni\u00eam phong:<\/strong> C\u1ea3 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t ni\u00eam phong \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n cho t\u1eebng lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/li>\n\n\n\n
    • Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n:<\/strong> Sau khi ni\u00eam phong xong, m\u1eabu th\u1eed \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o th\u1eed nghi\u1ec7m \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1 v\u1ee1 ni\u00eam phong. \u0110\u1ed9 b\u1ec1n \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t trong hai ph\u01b0\u01a1ng ph\u00e1p sau: ASTM F88<\/strong> ho\u1eb7c ASTM F1921<\/strong> c\u00e1c ph\u01b0\u01a1ng ph\u00e1p, nh\u1eb1m \u0111\u1ea3m b\u1ea3o r\u1eb1ng k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m l\u00e0 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i \u0111\u01b0\u1ee3c.<\/li>\n<\/ul>\n\n\n\n

      C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a th\u1eed nghi\u1ec7m h\u00e0n nhi\u1ec7t<\/h2>\n\n\n\n

      Th\u1eed nghi\u1ec7m h\u00e0n nhi\u1ec7t \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u00e0 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i c\u1ea7n \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n\n\n\n

        \n
      • Bao b\u00ec th\u1ef1c ph\u1ea9m:<\/strong> \u0110\u1ea3m b\u1ea3o c\u00e1c s\u1ea3n ph\u1ea9m th\u1ef1c ph\u1ea9m lu\u00f4n \u0111\u01b0\u1ee3c \u0111\u00f3ng k\u00edn v\u00e0 b\u1ea3o v\u1ec7 kh\u1ecfi s\u1ef1 nhi\u1ec5m b\u1ea9n.<\/li>\n\n\n\n
      • Bao b\u00ec y t\u1ebf:<\/strong> Ng\u0103n ch\u1eb7n h\u00e0nh vi can thi\u1ec7p tr\u00e1i ph\u00e9p v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh v\u00f4 tr\u00f9ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 d\u01b0\u1ee3c ph\u1ea9m.<\/li>\n\n\n\n
      • H\u00e0ng ti\u00eau d\u00f9ng:<\/strong> B\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m kh\u1ecfi b\u1ecb h\u01b0 h\u1ecfng trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 b\u1ed1c d\u1ee1.<\/li>\n<\/ul>\n\n\n\n

        Ki\u1ec3m tra \u0111\u1ed9 k\u00edn c\u1ee7a m\u1ed1i h\u00e0n nhi\u1ec7t<\/strong> Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n an to\u00e0n cho \u0111\u1ebfn khi \u0111\u1ebfn tay ng\u01b0\u1eddi ti\u00eau d\u00f9ng, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 \u0111\u00f3ng g\u00f3i t\u1ed5ng th\u1ec3.<\/p>\n\n\n\n

        K\u1ebft lu\u1eadn<\/h2>\n\n\n\n

        Hi\u1ec3u v\u1ec1 Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u1ec1n m\u1ed1i h\u00e0n nhi\u1ec7t<\/strong> \u0111i\u1ec1u n\u00e0y c\u00f3 \u00fd ngh\u0129a quy\u1ebft \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t trong l\u0129nh v\u1ef1c bao b\u00ec d\u1ebbo. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc v\u00e0 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n trong su\u1ed1t chu\u1ed7i cung \u1ee9ng. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 ASTM F2029<\/strong> v\u00e0 b\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c quy tr\u00ecnh ki\u1ec3m tra ni\u00eam phong nhi\u1ec7t \u0111\u00fang c\u00e1ch, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i c\u1ee7a h\u1ecd.<\/p>\n\n\n\n

        \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n m\u1ed1i h\u00e0n nhi\u1ec7t<\/strong>, h\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ki\u1ec3m tra ti\u00ean ti\u1ebfn c\u1ee7a Cell Instruments, gi\u00fap mang l\u1ea1i k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c \u0111\u1ec3 h\u1ed7 tr\u1ee3 qu\u00fd v\u1ecb \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n s\u1ea3n ph\u1ea9m.<\/p>","protected":false},"excerpt":{"rendered":"

        Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u1ec1n m\u1ed1i h\u00e0n nhi\u1ec7t l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u00e1c m\u1ed1i h\u00e0n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong v\u1eadt li\u1ec7u bao b\u00ec d\u1ebbo. Bao b\u00ec \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o qu\u1ea3n s\u1ea3n ph\u1ea9m, v\u00e0 m\u1ed9t m\u1ed1i h\u00e0n nhi\u1ec7t ch\u1eafc ch\u1eafn s\u1ebd \u0111\u1ea3m b\u1ea3o b\u1ea3o v\u1ec7 n\u1ed9i dung b\u00ean trong kh\u1ecfi c\u00e1c t\u00e1c nh\u00e2n b\u00ean ngo\u00e0i. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 kh\u1ea3 n\u0103ng h\u00e0n nhi\u1ec7t c\u1ee7a m\u00e0ng nh\u1ef1a, ti\u00eau chu\u1ea9n ASTM F2029 [\u2026]<\/p>","protected":false},"featured_media":1193,"parent":0,"template":"","meta":{"_acf_changed":true},"class_list":["post-1192","method","type-method","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/method\/1192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/method"}],"about":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/types\/method"}],"version-history":[{"count":0,"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/method\/1192\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/media\/1193"}],"wp:attachment":[{"href":"https:\/\/www.packtests.com\/vi\/wp-json\/wp\/v2\/media?parent=1192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}