{"id":2682,"date":"2025-06-09T03:33:39","date_gmt":"2025-06-09T03:33:39","guid":{"rendered":"https:\/\/juyuans.com\/?p=2682"},"modified":"2025-09-05T07:07:48","modified_gmt":"2025-09-05T07:07:48","slug":"polyethylene-lldpe-318bj-properties-uses-and-technical-data","status":"publish","type":"post","link":"https:\/\/juyuans.com\/vi\/polyethylene-lldpe-318bj-properties-uses-and-technical-data\/","title":{"rendered":"T\u00ednh ch\u1ea5t, c\u00f4ng d\u1ee5ng v\u00e0 d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a Polyethylene LLDPE 318BJ"},"content":{"rendered":"

What is Polyethylene LLDPE<\/span><\/h1>\n

 <\/p>\n

Today, with the continuous upgrading of flexible packaging materials, LLDPE 318BJ has become a popular choice to meet the triple requirements of optical performance, strength and processing efficiency. As a film-grade and thermally stable Linear Low-Density Polyethylene, its outstanding performance and wide range of applications bring higher value to packaging manufacturers.<\/span><\/p>\n

\"LLDPE<\/p>\n

 <\/p>\n

01 | Material highlights: Balanced performance, adaptable to multiple scenario requirements<\/span><\/h2>\n

 <\/p>\n

Polyethylene LLDPE 318BJ uses butene as the copolymer monomer and does not contain TNPP (Tris nonylphenyl phosphite), and has excellent puncture resistance and tear strength. Its tensile elongation at break is as high as 710%, which not only ensures the flexibility of the film but also enhances its durability. Meanwhile, its excellent stress retention and elastic recovery capabilities make it perform more stably when making high-performance stretch films and embossed films.<\/span><\/p>\n

In addition, 318BJ has the following characteristics:<\/span><\/p>\n

\u00a0 \u30fbExtremely low haze (2.1%) and high gloss (91%)<\/strong> enhance the transparency of the product's appearance<\/span><\/p>\n

\u00a0 \u30fbIt features excellent dimensional stability and low warpage tendency,<\/strong> making it suitable for cast film forming and fine film processing<\/span><\/p>\n

\u00a0 \u30fbThe Vicat softening temperature can reach up to 102\u00b0C,<\/strong> enhancing the structural stability in a thermal environment<\/span><\/p>\n

 <\/p>\n

02 | Application fields: Covering daily use, industrial and food packaging<\/span><\/h2>\n

 <\/p>\n

Thanks to its comprehensive mechanical properties and optical performance, Polyethylene LLDPE 318BJ is particularly suitable for the following fields:<\/span><\/p>\n

\u00a0 \u30fbCling film:<\/strong> It combines high transparency and strong toughness, and is suitable for household and commercial food packaging<\/span><\/p>\n

\u00a0 \u30fbCast film:<\/strong> Suitable for the core base material of composite film layer structures<\/span><\/p>\n

\u00a0 \u30fbEmbossed film:<\/strong> It plays a significant role in roll packaging that requires soft texture and toughness<\/span><\/p>\n

\u00a0 \u30fbStretch film:<\/strong> It can withstand tension while maintaining resilience, making it suitable for industrial transportation protection purposes<\/span><\/p>\n

 <\/p>\n

03 | Processing advantages: Parallel casting and extrusion, enhancing production efficiency<\/span><\/h2>\n

 <\/p>\n

This product is suitable for Cast casting and traditional extrusion molding. It features excellent melt strength and thermal stability, and can maintain uniform film thickness and surface finish in high-speed cast casting production lines. Meanwhile, its melt index is 2.8g \/10min (at 190\u00b0C, 2.16kg), which takes into account both fluidity and support force, meeting the refined process requirements of film manufacturers.<\/span><\/p>\n

 <\/p>\n

04 | Polyethylene LLDPE 318BJ Technical Properties Overview<\/span><\/h2>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Hi\u1ec7u su\u1ea5t quang h\u1ecdc<\/span><\/strong><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/strong><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/strong><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/strong><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/strong><\/td>\n<\/tr>\n
\u0110\u1ed9 b\u00f3ng<\/span><\/td>\n45\u00b0<\/span><\/td>\nASTM D2457<\/span><\/td>\n91<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
S\u01b0\u01a1ng m\u00f9<\/span><\/td>\n<\/td>\nASTM D1003<\/span><\/td>\n2.1<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
H\u00e0nh vi c\u01a1 h\u1ecdc<\/span><\/strong><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/strong><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/strong><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/strong><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/strong><\/td>\n<\/tr>\n
\u0110\u1ed9 gi\u00e3n d\u00e0i<\/span><\/td>\nN\u0103ng su\u1ea5t<\/span><\/td>\nASTM D638<\/span><\/td>\n16<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 gi\u00e3n d\u00e0i<\/span><\/td>\nPh\u00e1 v\u1ee1<\/span><\/td>\nASTM D638<\/span><\/td>\n710<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
Stress Retention<\/span><\/td>\n<\/td>\nASTM D5459<\/span><\/td>\n78.1<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
Ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i<\/span><\/td>\n<\/td>\nASTM D5459<\/span><\/td>\n51.9<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
Puncture Resisrance<\/span><\/td>\n<\/td>\nASTM D5748<\/span><\/td>\n2.0<\/span><\/td>\nJ<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n k\u00e9o<\/span><\/td>\nPh\u00e1 v\u1ee1<\/span><\/td>\nASTM D638<\/span><\/td>\n13<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n k\u00e9o<\/span><\/td>\nN\u0103ng su\u1ea5t<\/span><\/td>\nASTM D638<\/span><\/td>\n12<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
S\u1ee9c m\u1ea1nh x\u00e9 r\u00e1ch<\/span><\/td>\nxFlow<\/span><\/td>\nTi\u00eau chu\u1ea9n ISO6383<\/span><\/td>\n140<\/span><\/td>\nKN\/m<\/span><\/td>\n<\/tr>\n
M\u00f4 \u0111un c\u1eaft<\/span><\/td>\n1%<\/span><\/td>\nASTM D790<\/span><\/td>\n251<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
S\u1ee9c m\u1ea1nh t\u00e1c \u0111\u1ed9ng c\u1ee7a tr\u1ecdng l\u01b0\u1ee3ng r\u01a1i<\/span><\/td>\n<\/td>\nTi\u00eau chu\u1ea9n ISO7765<\/span><\/td>\n2.6<\/span><\/td>\nkJ\/m2<\/span><\/td>\n<\/tr>\n
nhi\u1ec7t<\/span><\/strong><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/strong><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/strong><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/strong><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/strong><\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y<\/span><\/td>\nDSC<\/span><\/td>\nPH\u01af\u01a0NG PH\u00c1P N\u1ed8I B\u1ed8<\/span><\/td>\n121<\/span><\/td>\n\u00b0C<\/span><\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 l\u00e0m m\u1ec1m Vicat<\/span><\/td>\n10N<\/span><\/td>\nISO 306<\/span><\/td>\n102<\/span><\/td>\n\u00b0C<\/span><\/td>\n<\/tr>\n
T\u00e0i s\u1ea3n v\u1eadt ch\u1ea5t<\/span><\/strong><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/strong><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/strong><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/strong><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/strong><\/td>\n<\/tr>\n
T\u1ec9 tr\u1ecdng<\/span><\/td>\n<\/td>\nASTM D1505<\/span><\/td>\n0.918<\/span><\/td>\ng\/cm\u00b3<\/span><\/td>\n<\/tr>\n
Ch\u1ec9 s\u1ed1 tan ch\u1ea3y<\/span><\/td>\n190\u00b0C 2,16kg<\/span><\/td>\nASTM D1238<\/span><\/td>\n2.8<\/span><\/td>\ng\/10 ph\u00fat<\/span><\/td>\n<\/tr>\n
T\u00ednh ch\u1ea5t \u0111i\u1ec7n<\/span><\/strong><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/strong><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/strong><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/strong><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/strong><\/td>\n<\/tr>\n
H\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i<\/span><\/td>\n60Hz<\/span><\/td>\nASTM D150<\/span><\/td>\n2.2<\/span><\/td>\n<\/td>\n<\/tr>\n
\u0110i\u1ec7n tr\u1edf su\u1ea5t th\u1ec3 t\u00edch<\/span><\/td>\n<\/td>\nASTM D257<\/span><\/td>\n8.5E+15<\/span><\/td>\n\u03a9.cm<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i<\/span><\/td>\n2kV\/s<\/span><\/td>\nASTM D149<\/span><\/td>\n0.03<\/span><\/td>\nKV\/mm<\/span><\/td>\n<\/tr>\n
H\u1ec7 s\u1ed1 t\u1ea3n nhi\u1ec7t<\/span><\/td>\n60Hz<\/span><\/td>\nASTM D150<\/span><\/td>\n0.0005<\/span><\/td>\n<\/td>\n<\/tr>\n
\u0111\u1ed9 c\u1ee9ng<\/span><\/strong><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/strong><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/strong><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/strong><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/strong><\/td>\n<\/tr>\n
\u0110\u1ed9 c\u1ee9ng b\u1edd bi\u1ec3n D<\/span><\/td>\n<\/td>\nTi\u00eau chu\u1ea9n ISO868<\/span><\/td>\n48<\/span><\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

05 | Why choose the LLDPE 318BJ we supply?<\/span><\/h2>\n

 <\/p>\n

As a trader specializing in virgin plastic pellets, the LLDPE 318BJ we provide not only has stable quality, but also has the following advantages:<\/span><\/p>\n

\u00a0 \u30fbFlexible supply:<\/strong> Supports both small-batch samples and large-batch orders, and is suitable for various project cycles<\/span><\/p>\n

\u00a0 \u30fbTechnical data support:<\/strong> We can provide technical data sheets and processing suggestions in both Chinese and English<\/span><\/p>\n

\u00a0 \u30fbRapid response service:<\/strong> Both spot and futures can be connected, reducing waiting time<\/span><\/p>\n

\u00a0 \u30fbTraceable origin and batch:<\/strong> Strictly control the consistency of channels and quality<\/span><\/p>\n

We understand that customers not only need good materials, but also stable and reliable partners.<\/span><\/p>\n

 <\/p>\n

06 | How to determine whether LLDPE 318BJ is suitable for you?<\/span><\/h2>\n

 <\/p>\n

If you are currently facing the following problems:<\/span><\/p>\n

\u00a0 \u30fb<\/strong>Puncture or tearing problems occurred during the processing of the membrane material<\/span><\/p>\n

\u00a0 \u30fb<\/strong>The product needs to enhance transparency and luster but does not wish to sacrifice mechanical strength<\/span><\/p>\n

\u00a0 \u30fb<\/strong>Search for food contact grade materials that do not contain TNPP to meet export demands<\/span><\/p>\n

Then, LLDPE 318BJ might just be your ideal choice.<\/span><\/p>\n

 <\/p>\n

07 | Obtain the sample and technical parameter table<\/span><\/h2>\n

 <\/p>\n

If you wish to learn more about the samples, component formulas or technical specifications of LLDPE 318BJ, you can contact us directly through the contact information on the right side of the page. We can provide product data sheets (in both Chinese and English), sample delivery arrangements and processing consultation services.<\/span><\/p>\n

\"Polyethylene<\/p>\n

 <\/p>\n

\u3010Khuy\u1ebfn ngh\u1ecb li\u00ean quan\u3011<\/strong><\/span><\/h2>\n

 <\/p>\n

\n

LLDPE 218WJ:<\/a>V\u1eadt li\u1ec7u LLDPE c\u1ea5p phim cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f3ng g\u00f3i \u0111a n\u0103ng T\u00ecm hi\u1ec3u th\u00eam><\/span><\/a><\/span><\/span><\/span><\/p>\n

\n

LLDPE R50035:<\/a> Vi\u00ean LLDPE c\u1ea5p \u0111\u1ed9 \u0111\u00fac quay cho \u1ee9ng d\u1ee5ng b\u1ec3 ch\u1ee9a b\u1ec1n T\u00ecm hi\u1ec3u th\u00eam><\/span><\/a>\u00a0<\/span><\/span><\/span><\/p>\n

\n

LLDPE 2045G:<\/a> Polyethylene c\u1ea5p m\u00e0ng cho \u1ee9ng d\u1ee5ng \u0111\u00f3ng g\u00f3i linh ho\u1ea1t <\/span>T\u00ecm hi\u1ec3u th\u00eam><\/span><\/a><\/p>\n

\n<\/div>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

What is Polyethylene LLDPE   Today, with the continuous upgrading of flexible packaging materials, LLDPE 318BJ has become a popular choice to meet the triple requirements of optical performance, strength and processing efficiency. As a film-grade and thermally stable Linear Low-Density Polyethylene, its outstanding performance and wide range of applications bring higher value to packaging […]<\/p>\n","protected":false},"author":1,"featured_media":2628,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[59],"tags":[60],"class_list":["post-2682","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linear-low-density-polyethylene","tag-lldpe"],"jetpack_featured_media_url":"https:\/\/juyuans.com\/wp-content\/uploads\/2025\/06\/photobank-3.jpg","_links":{"self":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/2682","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/comments?post=2682"}],"version-history":[{"count":2,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/2682\/revisions"}],"predecessor-version":[{"id":3969,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/2682\/revisions\/3969"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/media\/2628"}],"wp:attachment":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/media?parent=2682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/categories?post=2682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/tags?post=2682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}