{"id":9575,"date":"2026-02-02T14:53:24","date_gmt":"2026-02-02T06:53:24","guid":{"rendered":"https:\/\/www.packqc.com\/products\/sale-astm-d4991-package-leak-tester-astm-d3078\/"},"modified":"2026-04-27T15:47:02","modified_gmt":"2026-04-27T07:47:02","slug":"sale-astm-d4991-package-leak-tester-astm-d3078","status":"publish","type":"products","link":"https:\/\/www.packqc.com\/vi\/products\/sale-astm-d4991-package-leak-tester-astm-d3078\/","title":{"rendered":"M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 LT-02"},"content":{"rendered":"<h2 class=\"wp-block-heading\">I. \u1ee8ng d\u1ee5ng c\u1ee7a m\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 bao b\u00ec<\/h2>\n\n\n\n<p>C\u00e1c <strong>Ki\u1ec3m tra r\u00f2 r\u1ec9 g\u00f3i h\u00e0ng<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, bao g\u1ed3m th\u1ef1c ph\u1ea9m, y t\u1ebf, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 h\u00e0ng ti\u00eau d\u00f9ng, trong \u0111\u00f3 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a bao b\u00ec l\u00e0 r\u1ea5t quan tr\u1ecdng. N\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi s\u1ef1 \u00f4 nhi\u1ec5m v\u00e0 h\u01b0 h\u1ecfng b\u00ean ngo\u00e0i, ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m ch\u1ea5t th\u1ea3i. Ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ni\u00eam phong kh\u00f4ng ch\u1ec9 c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m m\u00e0 c\u00f2n \u0111\u1ec3 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh c\u1ee7a ng\u00e0nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">II. Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m cho m\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 g\u00f3i<\/h2>\n\n\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi <strong>Ki\u1ec3m tra r\u00f2 r\u1ec9 g\u00f3i h\u00e0ng<\/strong> l\u00e0 th\u1eed nghi\u1ec7m ph\u00e1t th\u1ea3i bong b\u00f3ng, tu\u00e2n theo c\u00e1c h\u01b0\u1edbng d\u1eabn c\u1ee7a <strong>Ti\u00eau chu\u1ea9n ASTMD3078<\/strong>. Trong th\u1eed nghi\u1ec7m n\u00e0y, m\u1ed9t g\u00f3i h\u00e0ng \u0111\u01b0\u1ee3c nh\u00fang trong m\u1ed9t khoang ch\u1ee9a \u0111\u1ea7y n\u01b0\u1edbc v\u00e0 \u00e1p d\u1ee5ng ch\u00e2n kh\u00f4ng. Khi \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng t\u0103ng l\u00ean, b\u1ea5t k\u1ef3 kh\u00f4ng kh\u00ed n\u00e0o b\u1ecb gi\u1eef l\u1ea1i b\u00ean trong g\u00f3i h\u00e0ng s\u1ebd tho\u00e1t ra qua b\u1ea5t k\u1ef3 l\u1ed7 r\u00f2 r\u1ec9 n\u00e0o d\u01b0\u1edbi d\u1ea1ng bong b\u00f3ng, c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y trong n\u01b0\u1edbc.<\/p>\n\n\n\n<p>\u00dd ngh\u0129a c\u1ee7a th\u1eed nghi\u1ec7m n\u00e0y n\u1eb1m \u1edf kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n ngay c\u1ea3 nh\u1eefng r\u00f2 r\u1ec9 nh\u1ecf, c\u00f3 th\u1ec3 kh\u00f4ng th\u1ea5y r\u00f5 khi ch\u1ec9 ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh nh\u1eefng r\u00f2 r\u1ec9 n\u00e0y, nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o bao b\u00ec duy tr\u00ec \u0111\u01b0\u1ee3c t\u00ednh to\u00e0n v\u1eb9n trong su\u1ed1t th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng d\u1ef1 ki\u1ebfn. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch \u0111\u1ed1i v\u1edbi bao b\u00ec m\u1ec1m, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00fai ho\u1eb7c t\u00fai x\u00e1ch, ch\u1ee9a kh\u00ed kho\u1ea3ng tr\u1ed1ng, v\u00ec n\u00f3 ki\u1ec3m tra to\u00e0n b\u1ed9 l\u1edbp ni\u00eam phong trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">III. T\u1ed5ng quan v\u1ec1 Ti\u00eau chu\u1ea9n ASTM D3078<\/h2>\n\n\n\n<p>C\u00e1c <a href=\"https:\/\/www.astm.org\/d3078-02r21e01.html\" target=\"_blank\" rel=\"noopener nofollow\"><strong>Ti\u00eau chu\u1ea9n ASTM <\/strong><\/a><strong>D<\/strong><a href=\"https:\/\/www.astm.org\/d3078-02r21e01.html\" target=\"_blank\" rel=\"noopener nofollow\"><strong>3078<\/strong><\/a> Ti\u00eau chu\u1ea9n n\u00e0y qu\u1ea3n l\u00fd vi\u1ec7c s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t t\u00e1n bong b\u00f3ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 nghi\u00eam tr\u1ecdng trong bao b\u00ec m\u1ec1m. Ti\u00eau chu\u1ea9n n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p d\u1ef1a v\u00e0o bao b\u00ec m\u1ec1m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m. Ti\u00eau chu\u1ea9n n\u00e0y ch\u1ec9 \u0111\u1ecbnh c\u00e1c quy tr\u00ecnh th\u1eed nghi\u1ec7m, c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1ec1 m\u1ee9c ch\u00e2n kh\u00f4ng v\u00e0 c\u00e1c ti\u00eau ch\u00ed \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem m\u1ed9t bao b\u00ec \u0111\u00e3 \u0111\u1ea1t hay kh\u00f4ng \u0111\u1ea1t b\u00e0i ki\u1ec3m tra.<\/p>\n\n\n\n<p>Theo sau <strong>Ti\u00eau chu\u1ea9n ASTMD3078<\/strong> Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c bao b\u00ec \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m d\u1ec5 b\u1ecb nhi\u1ec5m b\u1ea9n nh\u01b0 d\u01b0\u1ee3c ph\u1ea9m, thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 th\u1ef1c ph\u1ea9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IV. T\u1ed5ng quan v\u1ec1 Ti\u00eau chu\u1ea9n ASTM D4991<\/h2>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c g\u00f3i h\u00e0ng y\u00eau c\u1ea7u ki\u1ec3m tra r\u00f2 r\u1ec9 nghi\u00eam ng\u1eb7t h\u01a1n, <a href=\"https:\/\/www.astm.org\/d4991-07r15.html\" target=\"_blank\" rel=\"noopener nofollow\"><strong>Ti\u00eau chu\u1ea9n ASTMD4991<\/strong><\/a> ti\u00eau chu\u1ea9n cung c\u1ea5p h\u01b0\u1edbng d\u1eabn cho th\u1eed nghi\u1ec7m ch\u00e2n kh\u00f4ng cao. Trong khi <strong>Ti\u00eau chu\u1ea9n ASTMD3078<\/strong> ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi bao b\u00ec linh ho\u1ea1t c\u00f3 kho\u1ea3ng tr\u1ed1ng kh\u00ed, <strong>Ti\u00eau chu\u1ea9n ASTMD4991<\/strong> t\u1eadp trung v\u00e0o c\u00e1c th\u00f9ng ch\u1ee9a c\u1ee9ng ho\u1eb7c v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i d\u00e0y h\u01a1n \u0111\u00f2i h\u1ecfi m\u1ee9c ch\u00e2n kh\u00f4ng cao h\u01a1n \u0111\u1ec3 ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9.<\/p>\n\n\n\n<p>C\u00e1c <strong>M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 g\u00f3i h\u00e0ng LT-02<\/strong> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i \u0111\u1ec3 tu\u00e2n th\u1ee7 <strong>Ti\u00eau chu\u1ea9n ASTMD4991<\/strong> b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y b\u01a1m ch\u00e2n kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c ch\u00e2n kh\u00f4ng cao h\u01a1n, l\u00e0m cho n\u00f3 linh ho\u1ea1t cho nhi\u1ec1u lo\u1ea1i bao b\u00ec kh\u00e1c nhau. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 <strong>Ti\u00eau chu\u1ea9n ASTMD4991<\/strong>, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 th\u1eed nghi\u1ec7m bao b\u00ec c\u1ee7a m\u00ecnh trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, \u0111\u1ea3m b\u1ea3o kh\u00f4ng x\u1ea3y ra r\u00f2 r\u1ec9 ngay c\u1ea3 trong nh\u1eefng \u1ee9ng d\u1ee5ng kh\u1eaft khe nh\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V. T\u00ednh n\u0103ng k\u1ef9 thu\u1eadt c\u1ee7a m\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 g\u00f3i LT-02<\/h2>\n\n\n\n<p>C\u00e1c <strong>M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 g\u00f3i h\u00e0ng LT-02<\/strong> cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ki\u1ec3m tra r\u00f2 r\u1ec9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u1ea1o ch\u00e2n kh\u00f4ng<\/strong>:S\u1eed d\u1ee5ng \u1ed1ng Venturi, m\u00e1y th\u1eed \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c ch\u00e2n kh\u00f4ng cao l\u00ean \u0111\u1ebfn -90 KPa. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y hi\u1ec7u qu\u1ea3 \u0111\u1ec3 th\u1eed nghi\u1ec7m nhi\u1ec1u lo\u1ea1i bao b\u00ec, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nh\u1eefng c\u01a1 s\u1edf c\u00f3 s\u1eb5n kh\u00ed n\u00e9n.<\/li>\n\n\n\n<li><strong>Th\u1eddi gian ki\u1ec3m tra c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/strong>:Th\u1eddi gian th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec1u ch\u1ec9nh quy tr\u00ecnh th\u1eed nghi\u1ec7m theo c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3.<\/li>\n\n\n\n<li><strong>Thi\u1ebft k\u1ebf bu\u1ed3ng m\u1ea1nh m\u1ebd<\/strong>: Bu\u1ed3ng h\u00ecnh tr\u1ee5 acrylic v\u1eeba b\u1ec1n v\u1eeba trong su\u1ed1t, cho ph\u00e9p d\u1ec5 d\u00e0ng quan s\u00e1t s\u1ef1 h\u00ecnh th\u00e0nh bong b\u00f3ng trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. Bu\u1ed3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh theo nhi\u1ec1u k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng kh\u00e1c nhau \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i bao b\u00ec kh\u00e1c nhau.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c cao<\/strong>:Vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng t\u1eafc \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng SMC \u0111\u1ea3m b\u1ea3o m\u1ee9c ch\u00e2n kh\u00f4ng ch\u00ednh x\u00e1c v\u00e0 nh\u1ea5t qu\u00e1n trong su\u1ed1t qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">VI. Quy tr\u00ecnh v\u00e0 \u00fd ngh\u0129a c\u1ee7a th\u1eed nghi\u1ec7m r\u00f2 r\u1ec9<\/h2>\n\n\n\n<p>Qu\u00e1 tr\u00ecnh ki\u1ec3m tra r\u00f2 r\u1ec9 s\u1eed d\u1ee5ng <strong>Ki\u1ec3m tra r\u00f2 r\u1ec9 g\u00f3i h\u00e0ng<\/strong> l\u00e0 \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>G\u00f3i h\u00e0ng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t khoang ch\u1ee9a \u0111\u1ea7y n\u01b0\u1edbc.<\/li>\n\n\n\n<li>Bu\u1ed3ng \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn v\u00e0 h\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/li>\n\n\n\n<li>Khi kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c h\u00fat ra ngo\u00e0i, s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t s\u1ebd khi\u1ebfn b\u1ea5t k\u1ef3 ch\u1ed7 r\u00f2 r\u1ec9 n\u00e0o trong bao b\u00ec \u0111\u1ec1u gi\u1ea3i ph\u00f3ng kh\u00f4ng kh\u00ed b\u1ecb gi\u1eef l\u1ea1i d\u01b0\u1edbi d\u1ea1ng bong b\u00f3ng.<\/li>\n\n\n\n<li>Th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c theo d\u00f5i trong kho\u1ea3ng th\u1eddi gian \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp tr\u01b0\u1edbc v\u00e0 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a bong b\u00f3ng cho bi\u1ebft th\u1eed nghi\u1ec7m kh\u00f4ng th\u00e0nh c\u00f4ng.<\/li>\n<\/ol>\n\n\n\n<p>Qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o bao b\u00ec ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u00e0 s\u1ef1 \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng. Th\u1eed nghi\u1ec7m r\u00f2 r\u1ec9 gi\u00fap ng\u0103n ng\u1eeba vi\u1ec7c thu h\u1ed3i s\u1ea3n ph\u1ea9m, gi\u1ea3m l\u00e3ng ph\u00ed v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng b\u1eb1ng c\u00e1ch duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">VII. T\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh<\/h2>\n\n\n\n<p><em><strong>M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 bao b\u00ec LT-02 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a ng\u00e0nh. V\u1edbi nhi\u1ec1u h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc bu\u1ed3ng kh\u00e1c nhau, bao g\u1ed3m c\u00e1c t\u00f9y ch\u1ecdn h\u00ecnh tr\u1ee5 v\u00e0 h\u00ecnh kh\u1ed1i, m\u00e1y c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u thi\u1ebft k\u1ebf bao b\u00ec kh\u00e1c nhau.<\/strong><\/em> T\u00ednh linh ho\u1ea1t n\u00e0y l\u00e0m cho m\u00e1y th\u1eed nghi\u1ec7m ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, t\u1eeb t\u00fai \u0111\u1ef1ng th\u1ef1c ph\u1ea9m \u0111\u1ebfn bao b\u00ec thi\u1ebft b\u1ecb y t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 bao b\u00ec \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/strong>\n<ul class=\"wp-block-list\">\n<li>M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 bao b\u00ec \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 trong bao b\u00ec nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a l\u1edbp ni\u00eam phong v\u00e0 b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m kh\u1ecfi b\u1ecb nhi\u1ec5m b\u1ea9n.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Th\u1eed nghi\u1ec7m ph\u00e1t x\u1ea1 bong b\u00f3ng di\u1ec5n ra nh\u01b0 th\u1ebf n\u00e0o?<\/strong>\n<ul class=\"wp-block-list\">\n<li>Th\u1eed nghi\u1ec7m ph\u00e1t th\u1ea3i bong b\u00f3ng nh\u00fang g\u00f3i h\u00e0ng v\u00e0o n\u01b0\u1edbc v\u00e0 t\u1ea1o ch\u00e2n kh\u00f4ng. N\u1ebfu g\u00f3i h\u00e0ng b\u1ecb r\u00f2 r\u1ec9, kh\u00f4ng kh\u00ed s\u1ebd tho\u00e1t ra d\u01b0\u1edbi d\u1ea1ng bong b\u00f3ng.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ASTM D3078 v\u00e0 ASTM D4991 l\u00e0 g\u00ec?<\/strong>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.astm.org\/d3078-02r21e01.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Ti\u00eau chu\u1ea9n ASTMD3078<\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho bao b\u00ec m\u1ec1m c\u00f3 kh\u00ed trong kho\u1ea3ng tr\u1ed1ng ph\u00eda tr\u00ean, trong khi ti\u00eau chu\u1ea9n ASTM D4991 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho bao b\u00ec c\u1ee9ng y\u00eau c\u1ea7u m\u1ee9c ch\u00e2n kh\u00f4ng cao h\u01a1n \u0111\u1ec3 ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>M\u00e1y ki\u1ec3m tra LT-02 c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh \u0111\u01b0\u1ee3c kh\u00f4ng?<\/strong>\n<ul class=\"wp-block-list\">\n<li>C\u00f3, m\u00e1y ki\u1ec3m tra LT-02 cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng bu\u1ed3ng, ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u thi\u1ebft k\u1ebf bao b\u00ec kh\u00e1c nhau.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00e0o \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i khi s\u1eed d\u1ee5ng M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 bao b\u00ec?<\/strong>\n<ul class=\"wp-block-list\">\n<li>C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m, thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 h\u00e0ng ti\u00eau d\u00f9ng \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb vi\u1ec7c ki\u1ec3m tra r\u00f2 r\u1ec9 bao b\u00ec \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n s\u1ea3n ph\u1ea9m.<\/li>\n<\/ul>\n<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 bao b\u00ec l\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ph\u00e1t b\u1ecdt, tu\u00e2n th\u1ee7 c\u00e1c h\u01b0\u1edbng d\u1eabn c\u1ee7a ti\u00eau chu\u1ea9n ASTM D3078. Trong th\u1eed nghi\u1ec7m n\u00e0y, bao b\u00ec \u0111\u01b0\u1ee3c ng\u00e2m trong bu\u1ed3ng ch\u1ee9a \u0111\u1ea7y n\u01b0\u1edbc v\u00e0 \u0111\u01b0\u1ee3c t\u1ea1o ch\u00e2n kh\u00f4ng.<\/p>","protected":false},"featured_media":4873,"parent":0,"template":"","meta":{"_acf_changed":true,"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":"disabled","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":""}}},"product-category":[441,514,515,485,560,454,484,438,495,444,439,619],"product-tag":[],"class_list":["post-9575","products","type-products","status-publish","has-post-thumbnail","hentry","product-category-astm-standard","product-category-astm-d3078","product-category-astm-d4991","product-category-bottle-testing","product-category-carbonation-tester","product-category-custom-lab-testing-instruments-manufacturer","product-category-leak-testing","product-category-medical-and-pharmaceutical-testing","product-category-pharmaceutical-testing","product-category-plastic-testing","product-category-usp","product-category-usp-381"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/products\/9575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/media\/4873"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/media?parent=9575"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/product-category?post=9575"},{"taxonomy":"product-tag","embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/product-tag?post=9575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}