{"id":1904,"date":"2026-10-16T06:32:49","date_gmt":"2026-10-16T06:32:49","guid":{"rendered":"https:\/\/www.packpulp.com\/?p=1904"},"modified":"2026-10-16T06:32:51","modified_gmt":"2026-10-16T06:32:51","slug":"what-determines-the-density-of-molded-pulp-products-and-how-to-make-them-stiffer-and-denser","status":"publish","type":"post","link":"https:\/\/www.packpulp.com\/vi\/what-determines-the-density-of-molded-pulp-products-and-how-to-make-them-stiffer-and-denser\/","title":{"rendered":"\u0110i\u1ec1u g\u00ec quy\u1ebft \u0111\u1ecbnh m\u1eadt \u0111\u1ed9 c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m b\u1ed9t gi\u1ea5y \u0111\u00fac khu\u00f4n \u2014 v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u00e0m cho ch\u00fang c\u1ee9ng h\u01a1n v\u00e0 \u0111\u1eb7c h\u01a1n"},"content":{"rendered":"

B\u1ed9t gi\u1ea5y \u0111\u1ecbnh h\u00ecnh \u2014 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m h\u1ed9p \u0111\u1ef1ng tr\u1ee9ng, c\u00e1c mi\u1ebfng l\u00f3t \u0111i\u1ec7n t\u1eed v\u00e0 khay \u0111\u1ec7m c\u00f4ng nghi\u1ec7p \u2014 c\u1ea7n ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng c\u1ea9n th\u1eadn. Qu\u00e1 m\u1ec1m, n\u00f3 s\u1ebd b\u1ecb x\u1eb9p d\u01b0\u1edbi t\u1ea3i tr\u1ecdng; qu\u00e1 c\u1ee9ng, n\u00f3 c\u00f3 th\u1ec3 tr\u1edf n\u00ean gi\u00f2n ho\u1eb7c tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u th\u1eeba. Hai \u0111\u1eb7c t\u00ednh n\u1eb1m \u1edf trung t\u00e2m c\u1ee7a s\u1ef1 c\u00e2n b\u1eb1ng \u0111\u00f3: T\u1ec9 tr\u1ecdng<\/strong> (\u0111\u1ed9 ch\u1eb7t c\u1ee7a c\u00e1c s\u1ee3i) v\u00e0 \u0111\u1ed9 c\u1ee9ng\/\u0111\u1ed9 b\u1ec1n<\/strong> (Kh\u1ea3 n\u0103ng ch\u1ed1ng u\u1ed1n cong v\u00e0 bi\u1ebfn d\u1ea1ng c\u1ee7a s\u1ea3n ph\u1ea9m).<\/p>\n\n\n\n

B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch c\u00e1c y\u1ebfu t\u1ed1 chi ph\u1ed1i m\u1eadt \u0111\u1ed9 b\u1ed9t gi\u1ea5y \u0111\u00fac, c\u00e1c bi\u1ec7n ph\u00e1p th\u1ef1c ti\u1ec5n \u0111\u1ec3 t\u0103ng c\u1ea3 \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9, v\u00e0 \u2013 c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m \u2013 t\u1ea1i sao m\u1eadt \u0111\u1ed9 cao h\u01a1n kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng t\u1ed1t h\u01a1n.<\/p>\n\n\n\n

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Ph\u1ea7n 1 \u2014 C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1eadt \u0111\u1ed9 b\u1ed9t gi\u1ea5y \u0111\u00fac<\/h2>\n\n\n\n

M\u1eadt \u0111\u1ed9 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi hai nh\u00f3m y\u1ebfu t\u1ed1 ch\u00ednh: c\u00e1c nguy\u00ean li\u1ec7u t\u1ea1o n\u00ean b\u1ed9t gi\u1ea5y v\u00e0 quy tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o h\u00ecnh v\u00e0 l\u00e0m kh\u00f4 b\u1ed9t gi\u1ea5y.<\/p>\n\n\n\n

Nguy\u00ean li\u1ec7u th\u00f4 v\u00e0 ph\u1ee5 gia<\/h3>\n\n\n\n

Lo\u1ea1i b\u1ed9t gi\u1ea5y.<\/strong> C\u00e1c lo\u1ea1i s\u1ee3i kh\u00e1c nhau c\u00f3 \u0111\u1eb7c t\u00ednh kh\u00e1c nhau. S\u1ee3i d\u00e0i, c\u00f3 \u0111\u1ed9 b\u1ec1n cao nh\u01b0 b\u1ed9t g\u1ed7 th\u01b0\u1eddng t\u1ea1o ra s\u1ea3n ph\u1ea9m c\u00f3 m\u1eadt \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i cao h\u01a1n. S\u1ee3i ng\u1eafn h\u01a1n nh\u01b0 b\u1ed9t c\u1ecf (r\u01a1m) th\u01b0\u1eddng t\u1ea1o ra s\u1ea3n ph\u1ea9m c\u00f3 m\u1eadt \u0111\u1ed9 th\u1ea5p h\u01a1n. C\u00f3 m\u1ed9t s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i \u0111\u00e1ng l\u01b0u \u00fd: v\u1eadt li\u1ec7u s\u1ee3i d\u00e0i, trong khi c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9 b\u1ec1n, c\u0169ng c\u00f3 xu h\u01b0\u1edbng mang l\u1ea1i hi\u1ec7u su\u1ea5t gi\u1ea3m ch\u1ea5n t\u1ed1t h\u01a1n.<\/p>\n\n\n\n

M\u1ee9c \u0111\u1ed9 rung (\u0111\u1ed9 t\u1ef1 do).<\/strong> B\u1ed9t gi\u1ea5y c\u00e0ng \u0111\u01b0\u1ee3c \u0111\u00e1nh k\u1ef9 (m\u1ee9c \u0111\u1ed9 \u0111\u00e1nh c\u00e0ng cao \/ \u0111\u1ed9 tho\u00e1t n\u01b0\u1edbc c\u00e0ng th\u1ea5p), c\u00e1c s\u1ee3i c\u00e0ng li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u1edbi nhau trong qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh \u2014 \u0111i\u1ec1u n\u00e0y l\u00e0m t\u0103ng m\u1eadt \u0111\u1ed9. B\u1ed9t gi\u1ea5y \u0111\u01b0\u1ee3c \u0111\u00e1nh \u00edt h\u01a1n s\u1ebd khi\u1ebfn c\u00e1c s\u1ee3i li\u00ean k\u1ebft l\u1ecfng l\u1ebbo h\u01a1n, t\u1ea1o ra s\u1ea3n ph\u1ea9m c\u00f3 m\u1eadt \u0111\u1ed9 th\u1ea5p h\u01a1n. V\u1edbi c\u00e1c s\u1ee3i d\u00e0i, c\u1ea5u tr\u00fac l\u1ecfng l\u1ebbo \u0111\u00f3 c\u0169ng mang l\u1ea1i kh\u1ea3 n\u0103ng \u0111\u1ec7m t\u1ed1t h\u01a1n.<\/p>\n\n\n\n

Ph\u1ee5 gia.<\/strong> C\u00e1c ch\u1ea5t ph\u1ee5 gia h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c tr\u1ed9n v\u00e0o b\u1ed9t gi\u1ea5y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 \u0111\u1ed9 \u0111\u1eb7c v\u00e0 \u0111\u1ed9 m\u1ecbn b\u1ec1 m\u1eb7t c\u1ee7a s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n.<\/p>\n\n\n\n

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t<\/h3>\n\n\n\n

\u00c1p su\u1ea5t t\u1ea1o h\u00ecnh.<\/strong> \u00c1p su\u1ea5t t\u1ea1o h\u00ecnh cao h\u01a1n s\u1ebd n\u00e9n ch\u1eb7t c\u00e1c s\u1ee3i l\u1ea1i v\u1edbi nhau, l\u00e0m t\u0103ng m\u1eadt \u0111\u1ed9. N\u1ebfu \u00e1p su\u1ea5t t\u1ea1o h\u00ecnh qu\u00e1 th\u1ea5p, s\u1ebd c\u00f3 nh\u1eefng kho\u1ea3ng tr\u1ed1ng l\u1edbn h\u01a1n gi\u1eefa c\u00e1c s\u1ee3i v\u00e0 m\u1eadt \u0111\u1ed9 s\u1ebd gi\u1ea3m.<\/p>\n\n\n\n

Nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian s\u1ea5y.<\/strong> Vi\u1ec7c t\u0103ng nhi\u1ec7t \u0111\u1ed9 s\u1ea5y v\u00e0 k\u00e9o d\u00e0i th\u1eddi gian s\u1ea5y m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p cho ph\u00e9p l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f2n l\u1ea1i bay h\u01a1i ho\u00e0n to\u00e0n h\u01a1n, nh\u1edd \u0111\u00f3 c\u00e1c s\u1ee3i co l\u1ea1i v\u00e0 li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd h\u01a1n \u2014 l\u00e0m t\u0103ng m\u1eadt \u0111\u1ed9. Tuy nhi\u00ean, c\u00f3 m\u1ed9t gi\u1edbi h\u1ea1n: nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao ho\u1eb7c th\u1eddi gian s\u1ea5y qu\u00e1 l\u00e2u c\u00f3 th\u1ec3 l\u00e0m cho s\u1ea3n ph\u1ea9m tr\u1edf n\u00ean gi\u00f2n.<\/p>\n\n\n\n

Thi\u1ebft k\u1ebf khu\u00f4n m\u1eabu.<\/strong> H\u00ecnh d\u1ea1ng v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a khu\u00f4n \u0111\u1ecbnh h\u00ecnh c\u1ea3 c\u00e1ch s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c t\u1ea1o h\u00ecnh v\u00e0 c\u00e1ch ph\u00e2n b\u1ed1 m\u1eadt \u0111\u1ed9 trong s\u1ea3n ph\u1ea9m. M\u1ed9t khu\u00f4n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t s\u1ebd tr\u1ea3i \u0111\u1ec1u c\u00e1c s\u1ee3i trong qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh, c\u1ea3i thi\u1ec7n t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u1ec1 m\u1eadt \u0111\u1ed9 tr\u00ean to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

Ph\u1ea7n 2 \u2014 C\u00e1ch t\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9<\/h2>\n\n\n\n

Vi\u1ec7c c\u1ea3i thi\u1ec7n c\u1ea3 hai \u0111\u1eb7c t\u00ednh n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i ph\u1ed1i h\u1ee3p nh\u1ecbp nh\u00e0ng tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 \u2013 t\u1eeb l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, tinh ch\u1ec9nh quy tr\u00ecnh, s\u1eed d\u1ee5ng ph\u1ee5 gia cho \u0111\u1ebfn ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n

1. T\u1ed1i \u01b0u h\u00f3a vi\u1ec7c l\u1ef1a ch\u1ecdn nguy\u00ean li\u1ec7u th\u00f4<\/h3>\n\n\n\n

Ch\u1ecdn lo\u1ea1i b\u1ed9t gi\u1ea5y ph\u00f9 h\u1ee3p.<\/strong> N\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng b\u1ed9t gi\u1ea5y c\u00f3 s\u1ee3i d\u00e0i, \u0111\u1ed9 b\u1ec1n cao \u2014 ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed9t gi\u1ea5y g\u1ed7 ch\u1ea5t l\u01b0\u1ee3ng cao \u2014 \u0111\u1ec3 t\u1ea1o \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9 cho s\u1ea3n ph\u1ea9m ngay t\u1eeb \u0111\u1ea7u.<\/p>\n\n\n\n

Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng b\u1ed9t gi\u1ea5y.<\/strong> Gi\u1eef cho b\u1ed9t gi\u1ea5y lu\u00f4n tinh khi\u1ebft v\u00e0 chi\u1ec1u d\u00e0i s\u1ee3i \u0111\u1ed3ng \u0111\u1ec1u. Qu\u00e1 nhi\u1ec1u t\u1ea1p ch\u1ea5t ho\u1eb7c s\u1ee3i ng\u1eafn s\u1ebd l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

\u0110i\u1ec1u ch\u1ec9nh m\u1ee9c \u0111\u1ed9 dao \u0111\u1ed9ng.<\/strong> Th\u00f4ng qua qu\u00e1 tr\u00ecnh \u0111\u00e1nh v\u00e0 tinh ch\u1ebf, \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 t\u01a1i x\u1ed1p c\u1ee7a b\u1ed9t gi\u1ea5y. M\u1ee9c \u0111\u1ed9 \u0111\u00e1nh ph\u00f9 h\u1ee3p s\u1ebd l\u00e0m gi\u1ea3m c\u00e1c kho\u1ea3ng tr\u1ed1ng gi\u1eefa c\u00e1c s\u1ee3i, t\u1eeb \u0111\u00f3 n\u00e2ng cao c\u1ea3 m\u1eadt \u0111\u1ed9 v\u00e0 \u0111\u1ed9 m\u1ecbn b\u1ec1 m\u1eb7t c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c t\u1ea1o h\u00ecnh.<\/p>\n\n\n\n

2. \u0110i\u1ec1u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 quy tr\u00ecnh<\/h3>\n\n\n\n

T\u0103ng \u00e1p su\u1ea5t t\u1ea1o h\u00ecnh.<\/strong> Trong ph\u1ea1m vi an to\u00e0n c\u1ee7a thi\u1ebft b\u1ecb, h\u00e3y t\u0103ng \u00e1p su\u1ea5t t\u1ea1o h\u00ecnh \u0111\u1ec3 c\u00e1c s\u1ee3i li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd h\u01a1n, \u0111\u1ed3ng th\u1eddi n\u00e2ng cao \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9.<\/p>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh s\u1ea5y.<\/strong> Ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian s\u1ea5y \u0111\u1ec3 s\u1ea3n ph\u1ea9m \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 \u0111\u1eb7c v\u00e0 \u0111\u1ed9 c\u1ee9ng m\u1ee5c ti\u00eau m\u00e0 kh\u00f4ng b\u1ecb s\u1ea5y qu\u00e1 kh\u00f4 \u2014 \u0111i\u1ec1u n\u00e0y s\u1ebd g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng gi\u00f2n.<\/p>\n\n\n\n

C\u1ea3i ti\u1ebfn thi\u1ebft k\u1ebf khu\u00f4n m\u1eabu.<\/strong> Khu\u00f4n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ec9 m\u1ec9 h\u01a1n s\u1ebd ph\u00e2n b\u1ed5 s\u1ea3n ph\u1ea9m \u0111\u1ec1u trong qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh, c\u1ea3i thi\u1ec7n t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u1ec1 c\u1ea3 \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9.<\/p>\n\n\n\n

3. S\u1eed d\u1ee5ng ch\u1ea5t ph\u1ee5 gia<\/h3>\n\n\n\n

C\u00e1c ch\u1ea5t t\u0103ng c\u01b0\u1eddng.<\/strong> Vi\u1ec7c b\u1ed5 sung m\u1ed9t l\u01b0\u1ee3ng ch\u1ea5t t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n nh\u1ea5t \u0111\u1ecbnh \u2014 ch\u1eb3ng h\u1ea1n nh\u01b0 tinh b\u1ed9t ho\u1eb7c polyacrylamide \u2014 s\u1ebd l\u00e0m t\u0103ng l\u1ef1c li\u00ean k\u1ebft gi\u1eefa c\u00e1c s\u1ee3i, t\u1eeb \u0111\u00f3 t\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9.<\/p>\n\n\n\n

Ch\u1ea5t ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc.<\/strong> Ch\u1ea5t ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng h\u01a1i \u1ea9m m\u00e0 s\u1ea3n ph\u1ea9m h\u1ea5p th\u1ee5 trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m \u01b0\u1edbt, gi\u1eef cho \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a s\u1ea3n ph\u1ea9m \u1ed5n \u0111\u1ecbnh theo th\u1eddi gian.<\/p>\n\n\n\n

4. Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 th\u1eed nghi\u1ec7m<\/h3>\n\n\n\n

X\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t.<\/strong> Ki\u1ec3m tra v\u00e0 gi\u00e1m s\u00e1t nguy\u00ean li\u1ec7u th\u00f4, quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 th\u00e0nh ph\u1ea9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9 lu\u00f4n \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u.<\/p>\n\n\n\n

Ki\u1ec3m tra hi\u1ec7u n\u0103ng th\u01b0\u1eddng xuy\u00ean.<\/strong> Th\u01b0\u1eddng xuy\u00ean \u0111o \u0111\u1ed9 c\u1ee9ng, m\u1eadt \u0111\u1ed9 v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 li\u00ean quan, sau \u0111\u00f3 \u0111\u01b0a k\u1ebft qu\u1ea3 v\u00e0o \u0111i\u1ec1u ch\u1ec9nh quy tr\u00ecnh \u0111\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh gi\u1eefa c\u00e1c l\u00f4 s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

Ph\u1ea7n 3 \u2014 Gi\u00e1 tr\u1ecb ti\u00eau chu\u1ea9n c\u1ee7a \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9 l\u00e0 g\u00ec?<\/h2>\n\n\n\n

C\u00f3 m\u1ed9t l\u01b0u \u00fd quan tr\u1ecdng ngay t\u1eeb \u0111\u1ea7u: Hi\u1ec7n nay ch\u01b0a c\u00f3 ti\u00eau chu\u1ea9n qu\u1ed1c gia th\u1ed1ng nh\u1ea5t n\u00e0o v\u1ec1 \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a b\u1ed9t gi\u1ea5y \u0111\u00fac.<\/strong> C\u00e1c c\u00f4ng ty v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u1eb7t ra c\u00e1c ti\u00eau chu\u1ea9n doanh nghi\u1ec7p ho\u1eb7c ng\u00e0nh ngh\u1ec1 ri\u00eang d\u1ef1a tr\u00ean nhu c\u1ea7u th\u1ef1c t\u1ebf c\u1ee7a h\u1ecd. M\u1ee5c ti\u00eau ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch c\u1ee7a s\u1ea3n ph\u1ea9m, y\u00eau c\u1ea7u c\u1ee7a ng\u00e0nh v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n\n\n\n

Theo nguy\u00ean t\u1eafc chung:<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng<\/th>M\u1eadt \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh<\/th>Ghi ch\u00fa v\u1ec1 \u0111\u1ed9 c\u1ee9ng<\/th><\/tr><\/thead>
Bao b\u00ec th\u1ef1c ph\u1ea9m<\/strong> (v\u00ed d\u1ee5: khay \u0111\u1ef1ng tr\u1ee9ng)<\/td>~0,6\u20131,2 g\/cm\u00b3<\/td>Ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng; v\u00ed d\u1ee5, khay \u0111\u1ef1ng tr\u1ee9ng c\u1ea7n \u0111\u1ee7 \u0111\u1ed9 c\u1ee9ng \u0111\u1ec3 gi\u1eef tr\u1ee9ng an to\u00e0n trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n. \u0110\u1ed9 c\u1ee9ng c\u00f3 th\u1ec3 dao \u0111\u1ed9ng t\u1eeb v\u00e0i ch\u1ee5c \u0111\u1ebfn h\u01a1n m\u1ed9t tr\u0103m mN\u00b7m.<\/td><\/tr>
Bao b\u00ec \u0111i\u1ec7n t\u1eed \u00e9p \u01b0\u1edbt<\/strong><\/td>~0,8\u20131,5 g\/cm\u00b3<\/td>\u0110\u1ed9 c\u1ee9ng cao h\u01a1n c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng g\u00f3i v\u00e0 v\u1eadn chuy\u1ec3n \u2014 c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn v\u00e0i tr\u0103m mN\u00b7m ho\u1eb7c h\u01a1n.<\/td><\/tr>
\u0110\u1ec7m c\u00f4ng nghi\u1ec7p \u00e9p kh\u00f4<\/strong><\/td>~0,5\u20131,0 g\/cm\u00b3<\/td>M\u1eadt \u0111\u1ed9 v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u00f3 th\u1ec3 kh\u00e1c nhau; \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp theo y\u00eau c\u1ea7u \u0111\u1ec7m c\u1ee5 th\u1ec3 v\u00e0 h\u00ecnh d\u1ea1ng s\u1ea3n ph\u1ea9m.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n

Ph\u1ea7n 4 \u2014 T\u1ea1i sao \u0111\u1eb7c h\u01a1n kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng t\u1ed1t h\u01a1n<\/h2>\n\n\n\n

B\u1ed9t gi\u1ea5y \u0111\u00fac khu\u00f4n l\u00e0 kh\u00f4ng<\/strong> \u0110\u00e2y l\u00e0 tr\u01b0\u1eddng h\u1ee3p \"c\u00e0ng c\u1ee9ng v\u00e0 \u0111\u1eb7c c\u00e0ng t\u1ed1t\". M\u1ee5c ti\u00eau \u0111\u00fang \u0111\u1eafn l\u00e0 m\u1ee5c ti\u00eau ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng v\u00e0 y\u00eau c\u1ea7u c\u1ee7a s\u1ea3n ph\u1ea9m. C\u00f3 hai h\u01b0\u1edbng suy ngh\u0129 gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau \u0111\u00f3.<\/p>\n\n\n\n

Ph\u00e2n t\u00edch m\u1ee5c \u0111\u00edch c\u1ee7a s\u1ea3n ph\u1ea9m<\/h3>\n\n\n\n

Nhu c\u1ea7u b\u1ea3o v\u1ec7.<\/strong> \u0110\u1ed1i v\u1edbi bao b\u00ec ph\u1ea3i ch\u1ecbu tr\u1ecdng l\u01b0\u1ee3ng ho\u1eb7c l\u1ef1c t\u00e1c \u0111\u1ed9ng t\u1eeb b\u00ean ngo\u00e0i \u2014 ch\u1eb3ng h\u1ea1n nh\u01b0 linh ki\u1ec7n \u0111i\u1ec7n t\u1eed, linh ki\u1ec7n c\u00f4ng nghi\u1ec7p \u2014 c\u1ea7n c\u00f3 \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9 cao h\u01a1n. \u0110\u1ed9 c\u1ee9ng cao gi\u00fap bao b\u00ec kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng khi x\u1ebfp ch\u1ed3ng ho\u1eb7c \u00e9p; m\u1eadt \u0111\u1ed9 cao mang l\u1ea1i s\u1ee9c m\u1ea1nh v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c v\u1eadt d\u1ee5ng b\u00ean trong. Nh\u01b0ng \u0111\u1ed1i v\u1edbi \u0111\u1ed3 v\u1eadt d\u1ec5 v\u1ee1<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 th\u1ee7y tinh ho\u1eb7c g\u1ed1m s\u1ee9, kh\u1ea3 n\u0103ng gi\u1ea3m ch\u1ea5n c\u0169ng quan tr\u1ecdng nh\u01b0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00ecnh d\u1ea1ng: \u1edf \u0111\u00e2y, m\u1ed9t y\u1ebfu t\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i quan tr\u1ecdng c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t. th\u1ea5p h\u01a1n<\/strong> M\u1eadt \u0111\u1ed9 cao c\u00f3 th\u1ec3 l\u00e0 y\u1ebfu t\u1ed1 \u01b0u ti\u00ean, gi\u00fap v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 l\u1ef1c va ch\u1ea1m. V\u00ed d\u1ee5: bao b\u00ec th\u1ef1c ph\u1ea9m<\/strong>B\u1ea1n c\u1ea7n \u0111\u1ed9 c\u1ee9ng \u0111\u1ee7 \u0111\u1ec3 gi\u1eef h\u00ecnh d\u1ea1ng v\u00e0 tr\u00e1nh b\u1ecb v\u1ee1, \u0111\u1ed3ng th\u1eddi m\u1eadt \u0111\u1ed9 c\u0169ng ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec7 sinh v\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn th\u1ef1c ph\u1ea9m.<\/p>\n\n\n\n

Nhu c\u1ea7u tr\u01b0ng b\u00e0y v\u00e0 b\u00e1n h\u00e0ng.<\/strong> Khi s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u01b0ng b\u00e0y b\u00e1n l\u1ebb, h\u00ecnh th\u1ee9c v\u00e0 c\u1ea3m gi\u00e1c khi c\u1ea7m n\u1eafm tr\u1edf n\u00ean quan tr\u1ecdng. \u0110\u1ed9 c\u1ee9ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 hi\u1ec7n di\u1ec7n ba chi\u1ec1u v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a bao b\u00ec, gi\u00fap s\u1ea3n ph\u1ea9m tr\u00f4ng \u0111\u1eb9p h\u01a1n tr\u00ean k\u1ec7, trong khi m\u1eadt \u0111\u1ed9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 c\u1ea3m gi\u00e1c c\u1ea7m n\u1eafm ph\u00f9 h\u1ee3p. Bao b\u00ec cao c\u1ea5p v\u00e0 sang tr\u1ecdng<\/strong> Th\u01b0\u1eddng s\u1eed d\u1ee5ng b\u1ed9t gi\u1ea5y \u0111\u00fac c\u1ee9ng h\u01a1n, c\u00f3 m\u1eadt \u0111\u1ed9 cao h\u01a1n \u0111\u1ec3 th\u1ec3 hi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 gi\u00e1 tr\u1ecb.<\/p>\n\n\n\n

Nhu c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u00e0 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng.<\/strong> M\u1eadt \u0111\u1ed9 th\u1ea5p h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng \u00edt v\u1eadt li\u1ec7u h\u01a1n v\u00e0 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng nh\u1ecf h\u01a1n. N\u1ebfu s\u1ea3n ph\u1ea9m c\u1ea7n \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf ho\u1eb7c c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n h\u1ee7y sinh h\u1ecdc, h\u00e3y \u0111\u1ea3m b\u1ea3o m\u1ee9c hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c ch\u1ecdn v\u1eabn cho ph\u00e9p t\u00e1i ch\u1ebf v\u00e0 x\u1eed l\u00fd \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n

H\u00e3y xem x\u00e9t m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng.<\/h3>\n\n\n\n

\u0110i\u1ec1u ki\u1ec7n v\u1eadn chuy\u1ec3n.<\/strong> C\u00e1c s\u1ea3n ph\u1ea9m ph\u1ea3i v\u1eadn chuy\u1ec3n \u0111\u01b0\u1eddng d\u00e0i ho\u1eb7c trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t \u2014 v\u1eadn t\u1ea3i \u0111\u01b0\u1eddng bi\u1ec3n ho\u1eb7c \u0111\u01b0\u1eddng h\u00e0ng kh\u00f4ng \u2014 c\u1ea7n \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9 cao h\u01a1n \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c rung \u0111\u1ed9ng, va \u0111\u1eadp v\u00e0 \u00e1p l\u1ef1c; th\u1eed nghi\u1ec7m m\u00f4 ph\u1ecfng v\u1eadn chuy\u1ec3n gi\u00fap x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 ph\u00f9 h\u1ee3p. \u0110\u1ed1i v\u1edbi v\u1eadn chuy\u1ec3n ng\u1eafn ho\u1eb7c nh\u1eb9 nh\u00e0ng, c\u00e1c ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u1edbi l\u1ecfng \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/p>\n\n\n\n

\u0110i\u1ec1u ki\u1ec7n b\u1ea3o qu\u1ea3n.<\/strong> \u0110\u1ed1i v\u1edbi b\u1ea3o qu\u1ea3n l\u00e2u d\u00e0i, \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9 ph\u1ea3i \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u1ed1ng bi\u1ebfn d\u1ea1ng. Trong \u0111i\u1ec1u ki\u1ec7n b\u1ea3o qu\u1ea3n \u1ea9m, kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ea9m tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 quan tr\u1ecdng \u2014 m\u1eadt \u0111\u1ed9 cao h\u01a1n c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m s\u1ef1 h\u1ea5p th\u1ee5 n\u01b0\u1edbc. Trong \u0111i\u1ec1u ki\u1ec7n b\u1ea3o qu\u1ea3n kh\u00f4, c\u00e1c ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 v\u1eadt li\u1ec7u kh\u00f4ng b\u1ecb qu\u00e1 kh\u00f4 v\u00e0 gi\u00f2n.<\/p>\n\n\n\n

T\u00f3m l\u1ea1i<\/h2>\n\n\n\n

M\u1eadt \u0111\u1ed9 v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a b\u1ed9t gi\u1ea5y \u0111\u00fac khu\u00f4n kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ee5c ti\u00eau c\u1ed1 \u0111\u1ecbnh m\u00e0 l\u00e0 k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u2013 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c l\u1ef1a ch\u1ecdn s\u1ee3i, m\u1ee9c \u0111\u1ed9 nghi\u1ec1n, \u00e1p su\u1ea5t t\u1ea1o h\u00ecnh, s\u1ea5y kh\u00f4, thi\u1ebft k\u1ebf khu\u00f4n v\u00e0 c\u00e1c ch\u1ea5t ph\u1ee5 gia ph\u00f9 h\u1ee3p, v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd b\u1edfi quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t. \u0110i\u1ec1u quan tr\u1ecdng kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ed1i \u0111a h\u00f3a c\u00e1c \u0111\u1eb7c t\u00ednh n\u00e0y m\u00e0 l\u00e0 \u0111i\u1ec1u ch\u1ec9nh ch\u00fang sao cho ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng: \u0111\u1ee7 \u0111\u1ed9 c\u1ee9ng v\u00e0 m\u1eadt \u0111\u1ed9 \u0111\u1ec3 b\u1ea3o v\u1ec7 v\u00e0 th\u1ec3 hi\u1ec7n s\u1ea3n ph\u1ea9m, m\u00e0 kh\u00f4ng l\u00e0m qu\u00e1 d\u00e0y, s\u1ea5y qu\u00e1 kh\u00f4 ho\u1eb7c l\u00e3ng ph\u00ed v\u1eadt li\u1ec7u. Tr\u01b0\u1edbc ti\u00ean, h\u00e3y hi\u1ec3u r\u00f5 \u1ee9ng d\u1ee5ng v\u00e0 m\u00f4i tr\u01b0\u1eddng, sau \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh cho ph\u00f9 h\u1ee3p.<\/p>","protected":false},"excerpt":{"rendered":"

Molded pulp \u2014 the material behind egg cartons, electronics inserts, and industrial cushioning trays \u2014 has to strike a careful balance. Too soft and it collapses under load; too hard and it may turn brittle or waste material. Two properties sit at the center of that balance: density (how tightly the fiber is packed) and stiffness\/rigidity (how well the […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1904","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.packpulp.com\/vi\/wp-json\/wp\/v2\/posts\/1904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packpulp.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.packpulp.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.packpulp.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.packpulp.com\/vi\/wp-json\/wp\/v2\/comments?post=1904"}],"version-history":[{"count":1,"href":"https:\/\/www.packpulp.com\/vi\/wp-json\/wp\/v2\/posts\/1904\/revisions"}],"predecessor-version":[{"id":1905,"href":"https:\/\/www.packpulp.com\/vi\/wp-json\/wp\/v2\/posts\/1904\/revisions\/1905"}],"wp:attachment":[{"href":"https:\/\/www.packpulp.com\/vi\/wp-json\/wp\/v2\/media?parent=1904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.packpulp.com\/vi\/wp-json\/wp\/v2\/categories?post=1904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.packpulp.com\/vi\/wp-json\/wp\/v2\/tags?post=1904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}