{"id":5055,"date":"2025-02-07T16:57:56","date_gmt":"2025-02-07T08:57:56","guid":{"rendered":"https:\/\/www.packqc.com\/?p=5055"},"modified":"2025-09-12T08:34:11","modified_gmt":"2025-09-12T00:34:11","slug":"wrap-film-puncture-test-astm-d5748","status":"publish","type":"post","link":"https:\/\/www.packqc.com\/vi\/wrap-film-puncture-test-astm-d5748\/","title":{"rendered":"Ki\u1ec3m tra \u0111\u00e2m th\u1ee7ng m\u00e0ng b\u1ecdc ASTM D5748 Ki\u1ec3m tra \u0111\u00e2m th\u1ee7ng l\u1ed3i"},"content":{"rendered":"
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Ki\u1ec3m tra \u0111\u1ed9 \u0111\u00e2m th\u1ee7ng c\u1ee7a m\u00e0ng b\u1ecdc
\u2014\u2014Ki\u1ec3m tra \u0111\u1ed9 \u0111\u00e2m th\u1ee7ng l\u1ed3i ASTM D5748<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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M\u00e0ng b\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, ch\u1ee7 y\u1ebfu \u0111\u1ec3 \u0111\u00f3ng g\u00f3i v\u00e0 b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m. M\u1ed9t trong nh\u1eefng th\u1eed nghi\u1ec7m thi\u1ebft y\u1ebfu \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang l\u00e0 th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng m\u00e0ng b\u1ecdc. Th\u1eed nghi\u1ec7m n\u00e0y \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i l\u1ef1c \u0111\u00e2m th\u1ee7ng c\u1ee7a m\u00e0ng b\u1ecdc, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a v\u1eadt li\u1ec7u.<\/span><\/p>

Ki\u1ec3m tra \u0111\u1ed9 \u0111\u00e2m th\u1ee7ng c\u1ee7a m\u00e0ng b\u1ecdc l\u00e0 g\u00ec?<\/h2>

Th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng m\u00e0ng b\u1ecdc \u0111o kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c \u0111\u00e2m th\u1ee7ng c\u1ee7a m\u00e0ng tr\u01b0\u1edbc khi m\u00e0ng b\u1ecb h\u1ecfng. Th\u1eed nghi\u1ec7m n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong ng\u00e0nh \u0111\u00f3ng g\u00f3i, n\u01a1i m\u00e0ng c\u1ea7n b\u1ea3o v\u1ec7 n\u1ed9i dung kh\u1ecfi \u00e1p l\u1ef1c b\u00ean ngo\u00e0i, v\u1eadt s\u1eafc nh\u1ecdn ho\u1eb7c x\u1eed l\u00fd sai. Th\u1eed nghi\u1ec7m n\u00e0y m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf m\u00e0 m\u00e0ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i \u1ee9ng su\u1ea5t v\u1eadt l\u00fd.<\/p>

Th\u1eed nghi\u1ec7m n\u00e0y bao g\u1ed3m vi\u1ec7c cho m\u1ed9t m\u1eabu m\u00e0ng b\u1ecdc ch\u1ecbu l\u1ef1c \u0111\u00e2m th\u1ee7ng cho \u0111\u1ebfn khi b\u1ecb h\u1ecfng. K\u1ebft qu\u1ea3 gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t hi\u1ec3u \u0111\u01b0\u1ee3c m\u00e0ng b\u1ecdc ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u01b0 th\u1ebf n\u00e0o khi ch\u1ecbu \u00e1p l\u1ef1c v\u00e0 li\u1ec7u n\u00f3 c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 nh\u01b0 \u0111\u00f3ng g\u00f3i pallet, \u0111\u00f3ng g\u00f3i th\u1ef1c ph\u1ea9m hay \u0111\u00f3ng g\u00f3i y t\u1ebf hay kh\u00f4ng.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u00a0<\/p>

C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng<\/h2>

M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng c\u1ee7a m\u00e0ng b\u1ecdc, bao g\u1ed3m:<\/p>

  1. Th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u<\/strong>:Lo\u1ea1i polyme \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng (v\u00ed d\u1ee5: polyethylene m\u1eadt \u0111\u1ed9 th\u1ea5p, polyethylene m\u1eadt \u0111\u1ed9 cao ho\u1eb7c polypropylene) \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a m\u00e0ng.<\/li>
  2. \u0110\u1ed9 d\u00e0y m\u00e0ng<\/strong>:M\u00e0ng phim d\u00e0y h\u01a1n th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng cao h\u01a1n, nh\u01b0ng c\u00f3 th\u1ec3 m\u1ea5t \u0111i t\u00ednh linh ho\u1ea1t.<\/li>
  3. T\u00ednh ch\u1ea5t k\u00e9o gi\u00e3n<\/strong>:M\u00e0ng phim c\u00f3 \u0111\u1ed9 co gi\u00e3n nhi\u1ec1u h\u01a1n c\u00f3 xu h\u01b0\u1edbng h\u1ea5p th\u1ee5 l\u1ef1c t\u1ed1t h\u01a1n, gi\u1ea3m kh\u1ea3 n\u0103ng b\u1ecb th\u1ee7ng.<\/li>
  4. \u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/strong>:C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng c\u1ee7a v\u1eadt li\u1ec7u.<\/li><\/ol>

    Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1ea3n xu\u1ea5t ra m\u00e0ng b\u1ecdc \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u1ee5 th\u1ec3.<\/p>

    Th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng m\u00e0ng b\u1ecdc \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh nh\u01b0 th\u1ebf n\u00e0o<\/h2>

    Th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng m\u00e0ng b\u1ecdc th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u00e2m th\u1ee7ng. Thi\u1ebft l\u1eadp ph\u1ed5 bi\u1ebfn nh\u1ea5t bao g\u1ed3m m\u1ed9t \u0111\u1ea7u d\u00f2 \u0111\u00e2m th\u1ee7ng \u00e9p v\u00e0o m\u1eabu m\u00e0ng v\u1edbi l\u1ef1c t\u0103ng d\u1ea7n cho \u0111\u1ebfn khi v\u1eadt li\u1ec7u b\u1ecb h\u1ecfng. L\u1ef1c \u0111\u00e2m th\u1ee7ng x\u1ea3y ra \u0111\u01b0\u1ee3c ghi l\u1ea1i v\u00e0 gi\u00e1 tr\u1ecb kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n.<\/p>

    ASTM D5748 cung c\u1ea5p h\u01b0\u1edbng d\u1eabn v\u1ec1 vi\u1ec7c ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng cho m\u00e0ng v\u00e0 c\u00e1c v\u1eadt li\u1ec7u t\u01b0\u01a1ng t\u1ef1. Ti\u00eau chu\u1ea9n n\u00e0y n\u00eau r\u00f5 quy tr\u00ecnh th\u1eed nghi\u1ec7m, y\u00eau c\u1ea7u v\u1ec1 thi\u1ebft b\u1ecb v\u00e0 c\u00e1ch di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3. Vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u1ed9 tin c\u1eady trong k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m, gi\u00fap d\u1eef li\u1ec7u h\u1eefu \u00edch h\u01a1n cho ph\u00e2n t\u00edch so s\u00e1nh.<\/p>

    Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng c\u1ee7a m\u00e0ng b\u1ecdc pallet: T\u1ea7m quan tr\u1ecdng trong \u0111\u00f3ng g\u00f3i<\/strong><\/h2>

    Trong b\u1ed1i c\u1ea3nh \u0111\u00f3ng g\u00f3i pallet, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng do nh\u00f4 ra \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng. Khi \u0111\u00f3ng g\u00f3i s\u1ea3n ph\u1ea9m tr\u00ean pallet, m\u00e0ng b\u1ecdc ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c c\u1ee7a nhi\u1ec1u v\u1eadt nh\u00f4 ra nh\u01b0 g\u00f3c nh\u1ecdn ho\u1eb7c c\u1ea1nh m\u00e0 kh\u00f4ng b\u1ecb \u0111\u00e2m th\u1ee7ng.<\/p>

    Th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng l\u1ed3i \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 ch\u1ed1ng \u0111\u00e2m th\u1ee7ng c\u1ee7a m\u00e0ng b\u1ecdc khi m\u1ed9t v\u1eadt s\u1eafc nh\u1ecdn (nh\u01b0 \u0111inh ho\u1eb7c c\u1ea1nh kim lo\u1ea1i) \u0111\u01b0\u1ee3c \u1ea5n v\u00e0o m\u00e0ng. Th\u1eed nghi\u1ec7m n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t l\u1ef1a ch\u1ecdn m\u00e0ng s\u1ebd duy tr\u00ec \u0111\u01b0\u1ee3c t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ch\u00fang trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 l\u01b0u tr\u1eef, ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng cho h\u00e0ng h\u00f3a \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i.<\/p>

    Ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng l\u1ed3i th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, s\u1eed d\u1ee5ng m\u00e1y ki\u1ec3m tra \u0111\u00e2m th\u1ee7ng l\u1ed3i m\u00f4 ph\u1ecfng c\u00e1c t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf khi c\u00e1c v\u1eadt s\u1eafc nh\u1ecdn c\u00f3 th\u1ec3 ti\u1ebfp x\u00fac v\u1edbi s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c b\u1ecdc.<\/p>

    Vai tr\u00f2 c\u1ee7a ASTM D5748 trong th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng m\u00e0ng b\u1ecdc<\/h2>

    Ti\u00eau chu\u1ea9n ASTMD5748<\/a>\u00a0cung c\u1ea5p c\u00e1c quy tr\u00ecnh chu\u1ea9n h\u00f3a \u0111\u1ec3 \u0111o kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng trong m\u00e0ng, \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m \u0111\u00e1ng tin c\u1eady v\u00e0 c\u00f3 th\u1ec3 so s\u00e1nh gi\u1eefa c\u00e1c m\u1eabu ho\u1eb7c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00e1c nhau. Ti\u00eau chu\u1ea9n n\u00e0y ch\u1ec9 r\u00f5 thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft, thi\u1ebft l\u1eadp th\u1eed nghi\u1ec7m v\u00e0 c\u00e1ch di\u1ec5n gi\u1ea3i d\u1eef li\u1ec7u.<\/p>

    B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 ASTM D5748, c\u00e1c c\u00f4ng ty c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e0ng b\u1ecdc c\u1ee7a h\u1ecd \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p v\u00e0 cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 \u0111\u1ea7y \u0111\u1ee7 trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Ti\u00eau chu\u1ea9n n\u00e0y c\u0169ng cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft trong th\u1eed nghi\u1ec7m, gi\u00fap t\u0103ng c\u01b0\u1eddng th\u00eam \u0111\u1ed9 tin c\u1eady c\u1ee7a k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m.<\/p>

    L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng m\u00e0ng b\u1ecdc<\/h2>

    Th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng m\u00e0ng b\u1ecdc mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i \u00edch cho nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 chuy\u00ean gia ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng:<\/p>

    1. \u0110\u1ed9 b\u1ec1n c\u1ee7a bao b\u00ec \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<\/strong>: \u0110\u1ea3m b\u1ea3o m\u00e0ng phim c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 x\u1eed l\u00fd.<\/li>
    2. T\u0103ng s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng<\/strong>:B\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn m\u00e0ng phim c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ee7ng v\u01b0\u1ee3t tr\u1ed9i, c\u00e1c c\u00f4ng ty c\u00f3 th\u1ec3 gi\u1ea3m nguy c\u01a1 h\u01b0 h\u1ecfng s\u1ea3n ph\u1ea9m, d\u1eabn \u0111\u1ebfn \u00edt b\u1ecb tr\u1ea3 l\u1ea1i v\u00e0 khi\u1ebfu n\u1ea1i h\u01a1n.<\/li>
    3. Tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p<\/strong>:Vi\u1ec7c tu\u00e2n th\u1ee7 ASTM D5748 gi\u00fap \u0111\u1ea3m b\u1ea3o m\u00e0ng phim tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 li\u00ean quan, \u0111i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u00e0 t\u1ea1o \u0111\u01b0\u1ee3c l\u00f2ng tin c\u1ee7a kh\u00e1ch h\u00e0ng.<\/li><\/ol>

      T\u1ea1i sao th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng m\u00e0ng b\u1ecdc l\u00e0 c\u1ea7n thi\u1ebft cho bao b\u00ec<\/strong><\/h2>

      Th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng m\u00e0ng b\u1ecdc l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u00e0ng v\u00e0 \u0111\u1ea3m b\u1ea3o m\u00e0ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf. B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ASTM D5748, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c m\u00e0ng b\u1ea3o v\u1ec7 t\u1ed1i \u01b0u cho s\u1ea3n ph\u1ea9m trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 l\u01b0u tr\u1eef.<\/p>

      Ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng n\u00f3i chung v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng l\u1ed3i l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1t nh\u1ea5t t\u1eeb m\u00e0ng b\u1ecdc, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p d\u1ef1a v\u00e0o bao b\u00ec an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u1ef1c ph\u1ea9m, y t\u1ebf v\u00e0 d\u01b0\u1ee3c ph\u1ea9m.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\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":"

      Ki\u1ec3m tra \u0111\u00e2m th\u1ee7ng m\u00e0ng b\u1ecdc\u2014\u2014Ki\u1ec3m tra \u0111\u00e2m th\u1ee7ng l\u1ed3i ASTM D5748 M\u00e0ng b\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, ch\u1ee7 y\u1ebfu \u0111\u1ec3 \u0111\u00f3ng g\u00f3i v\u00e0 b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m. M\u1ed9t trong nh\u1eefng th\u1eed nghi\u1ec7m thi\u1ebft y\u1ebfu \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang l\u00e0 th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng m\u00e0ng b\u1ecdc. Th\u1eed nghi\u1ec7m n\u00e0y \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i l\u1ef1c \u0111\u00e2m th\u1ee7ng c\u1ee7a m\u00e0ng b\u1ecdc, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[231],"class_list":["post-5055","post","type-post","status-publish","format-standard","hentry","category-blog","tag-astm-d5748"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/posts\/5055","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/comments?post=5055"}],"version-history":[{"count":0,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/posts\/5055\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/media?parent=5055"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/categories?post=5055"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/tags?post=5055"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}