{"id":641,"date":"2024-07-15T03:04:52","date_gmt":"2024-07-15T03:04:52","guid":{"rendered":"https:\/\/juyuans.com\/?p=641"},"modified":"2024-07-15T03:04:52","modified_gmt":"2024-07-15T03:04:52","slug":"lucel-pom-ec-605b-nguyen-lieu-nhua","status":"publish","type":"post","link":"https:\/\/juyuans.com\/vi\/lucel-pom-ec-605b-nguyen-lieu-nhua\/","title":{"rendered":"Nguy\u00ean li\u1ec7u nh\u1ef1a LUCEL POM EC-605B"},"content":{"rendered":"

Polyoxymethylene (POM), t\u00ean khoa h\u1ecdc l\u00e0 polyformaldehyde, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Delrin ho\u1eb7c acetal, l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt nhi\u1ec7t d\u1ebbo \u0111\u01b0\u1ee3c tr\u00f9ng h\u1ee3p t\u1eeb formaldehyde v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 kh\u00e1c. POM c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 m\u1eadt \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 k\u1ebft tinh cao, v\u00e0 c\u00f3 hai lo\u1ea1i: POM-H (\u0111\u1ed3ng tr\u00f9ng h\u1ee3p) v\u00e0 POM-K (\u0111\u1ed3ng tr\u00f9ng h\u1ee3p). C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u th\u1ec3 hi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i.<\/span><\/p>\n

V\u1eadt li\u1ec7u POM c\u00f3 c\u1ea5u tr\u00fac kh\u00f4ng c\u00f3 chu\u1ed7i b\u00ean, m\u1eadt \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 k\u1ebft tinh m\u1ea1nh. \u0110i\u1ec1u n\u00e0y l\u00e0m cho b\u1ec1 m\u1eb7t nh\u1eb5n v\u00e0 b\u00f3ng, v\u1eadt li\u1ec7u c\u1ee9ng v\u00e0 \u0111\u1eb7c, v\u00e0 th\u01b0\u1eddng c\u00f3 m\u00e0u v\u00e0ng nh\u1ea1t ho\u1eb7c tr\u1eafng. POM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e2u d\u00e0i trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 t\u1eeb -40 \u0111\u1ebfn 100\u00b0C, v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1eb7c t\u00ednh t\u1ef1 b\u00f4i tr\u01a1n v\u01b0\u1ee3t tr\u1ed9i h\u01a1n nhi\u1ec1u so v\u1edbi h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt. Ngo\u00e0i ra, POM c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng d\u1ea7u v\u00e0 peroxide t\u1ed1t, v\u00e0 vi\u1ec7c b\u1ed5 sung ch\u1ea5t \u1ed5n \u0111\u1ecbnh UV c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng tia UV c\u1ee7a n\u00f3.<\/span><\/p>\n

C\u1ee5 th\u1ec3, v\u1eadt li\u1ec7u POM EC-605B c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh tuy\u1ec7t v\u1eddi sau: ch\u1ec9 s\u1ed1 ch\u1ed1ng ch\u00e1y HB, \u0111\u1ed9 b\u1ec1n k\u00e9o 59 MPa \u1edf 23\u00b0C, \u0111\u1ed9 gi\u00e3n d\u00e0i 10%, m\u00f4 \u0111un u\u1ed1n 2500 MPa, \u0111\u1ed9 b\u1ec1n u\u1ed1n 88 MPa v\u00e0 \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp Izod kh\u00eda l\u00e0 3,57 kJ\/m\u00b2 \u1edf 23\u00b0C. Nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t c\u1ee7a n\u00f3 l\u00e0 160\u00b0C \u1edf 0,45 MPa v\u00e0 110\u00b0C \u1edf 1,8 MPa trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng \u1ee7. N\u00f3 c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang l\u00e0 1,42 g\/cm\u00b3, t\u1ef7 l\u1ec7 co ng\u00f3t l\u00e0 1,8% theo h\u01b0\u1edbng d\u00f2ng ch\u1ea3y v\u00e0 2,1% theo h\u01b0\u1edbng vu\u00f4ng g\u00f3c, v\u1edbi \u0111\u1ed9 c\u1ee9ng Rockwell l\u00e0 80.<\/span><\/p>\n

Do c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi c\u1ee7a n\u00f3, POM EC-605B \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed, s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed v\u00e0 \u0111i\u1ec7n, v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u00f4 t\u00f4. V\u00ed d\u1ee5, n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t b\u00e1nh r\u0103ng, \u1ed5 tr\u1ee5c v\u00e0 cam, \u0111\u00f2i h\u1ecfi v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 t\u1ef1 b\u00f4i tr\u01a1n tuy\u1ec7t v\u1eddi. Trong c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed v\u00e0 \u0111i\u1ec7n, POM EC-605B \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u1ea7u n\u1ed1i v\u00e0 c\u00f4ng t\u1eafc do hi\u1ec7u su\u1ea5t c\u00e1ch \u0111i\u1ec7n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a n\u00f3. Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4, v\u1eadt li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c th\u00e0nh ph\u1ea7n h\u1ec7 th\u1ed1ng nhi\u00ean li\u1ec7u v\u00e0 c\u1ee5m b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, do kh\u1ea3 n\u0103ng ch\u1ed1ng d\u1ea7u v\u01b0\u1ee3t tr\u1ed9i v\u00e0 \u0111\u1ed9 b\u1ec1n cao.<\/span><\/p>\n

 <\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
H\u00e0nh vi c\u01a1 h\u1ecdc<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n k\u00e9o<\/span><\/td>\nNgh\u1ec9 23\u00b0C<\/span><\/td>\nASTM D638<\/span><\/td>\n59<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 gi\u00e3n d\u00e0i<\/span><\/td>\n23\u00b0C<\/span><\/td>\nASTM D638<\/span><\/td>\n10<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
M\u00f4 \u0111un u\u1ed1n<\/span><\/td>\n23\u00b0C<\/span><\/td>\nASTM D790<\/span><\/td>\n2500<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n u\u1ed1n<\/span><\/td>\n23\u00b0C<\/span><\/td>\nASTM D790<\/span><\/td>\n88<\/span><\/td>\nMPa<\/span><\/td>\n<\/tr>\n
T\u00e1c \u0111\u1ed9ng c\u1ee7a Izod Notch<\/span><\/td>\n\u3000<\/span><\/td>\nASTM D256<\/span><\/td>\n30.61<\/span><\/td>\nkJ\/m2<\/span><\/td>\n<\/tr>\n
T\u00e1c \u0111\u1ed9ng c\u1ee7a Izod Notch<\/span><\/td>\n23\u00b0C<\/span><\/td>\nASTM D256<\/span><\/td>\n3.57<\/span><\/td>\nkJ\/m2<\/span><\/td>\n<\/tr>\n
nhi\u1ec7t<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
HDT<\/span><\/td>\nKh\u00f4ng \u1ee7 0,45MPa<\/span><\/td>\nASTM D648<\/span><\/td>\n160<\/span><\/td>\n\u00b0C<\/span><\/td>\n<\/tr>\n
HDT<\/span><\/td>\n1.8MPa kh\u00f4ng \u0111\u01b0\u1ee3c \u1ee7<\/span><\/td>\nASTM D648<\/span><\/td>\n110<\/span><\/td>\n\u00b0C<\/span><\/td>\n<\/tr>\n
T\u00e0i s\u1ea3n v\u1eadt ch\u1ea5t<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
T\u1ec9 tr\u1ecdng<\/span><\/td>\n\u3000<\/span><\/td>\nASTM D792<\/span><\/td>\n1.42<\/span><\/td>\ng\/cm\u00b3<\/span><\/td>\n<\/tr>\n
co ng\u00f3t<\/span><\/td>\nCh\u1ea3y<\/span><\/td>\nTi\u00eau chu\u1ea9n ASTMD995<\/span><\/td>\n1.8<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
co ng\u00f3t<\/span><\/td>\nxFlow<\/span><\/td>\nTi\u00eau chu\u1ea9n ASTMD995<\/span><\/td>\n2.1<\/span><\/td>\n%<\/span><\/td>\n<\/tr>\n
\u0111\u1ed9 c\u1ee9ng<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
\u0110\u1ed9 c\u1ee9ng Rockwell<\/span><\/td>\nM(T\u1ef7 l\u1ec7)<\/span><\/td>\nASTM D785<\/span><\/td>\n80<\/span><\/td>\n\u3000<\/span><\/td>\n<\/tr>\n
T\u00ednh d\u1ec5 ch\u00e1y<\/span><\/td>\nT\u00ecnh tr\u1ea1ng<\/span><\/td>\nTi\u00eau chu\u1ea9n<\/span><\/td>\nGi\u00e1 tr\u1ecb<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n<\/tr>\n
X\u1ebfp h\u1ea1ng ng\u1ecdn l\u1eeda<\/span><\/td>\n\u0110en 0.75mm<\/span><\/td>\nUL94<\/span><\/td>\nHB<\/span><\/td>\n\u3000<\/span><\/td>\n<\/tr>\n
X\u1ebfp h\u1ea1ng ng\u1ecdn l\u1eeda<\/span><\/td>\n\u0110en 2.9mm<\/span><\/td>\nUL94<\/span><\/td>\nHB<\/span><\/td>\n\u3000<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\"POM<\/p>\n

Nh\u1ea5p v\u00e0o \u0111\u00e2y \u0111\u1ec3 t\u1ea3i xu\u1ed1ng TDS cho LUCEL POM CE-605B<\/a><\/span><\/p>","protected":false},"excerpt":{"rendered":"

Polyoxymethylene (POM), t\u00ean khoa h\u1ecdc l\u00e0 polyformaldehyde, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Delrin ho\u1eb7c acetal, l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt nhi\u1ec7t d\u1ebbo \u0111\u01b0\u1ee3c tr\u00f9ng h\u1ee3p t\u1eeb formaldehyde v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 kh\u00e1c. POM c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 m\u1eadt \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 k\u1ebft tinh cao, v\u00e0 c\u00f3 hai lo\u1ea1i: POM-H (\u0111\u1ed3ng tr\u00f9ng h\u1ee3p) v\u00e0 POM-K (\u0111\u1ed3ng tr\u00f9ng h\u1ee3p). C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u th\u1ec3 hi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i.<\/p>","protected":false},"author":1,"featured_media":611,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[35],"class_list":["post-641","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-polyoxymethylene","tag-pom"],"jetpack_featured_media_url":"https:\/\/juyuans.com\/wp-content\/uploads\/2024\/06\/POM-23.jpg","_links":{"self":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/641","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=641"}],"version-history":[{"count":0,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/posts\/641\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/media\/611"}],"wp:attachment":[{"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/media?parent=641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/categories?post=641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/juyuans.com\/vi\/wp-json\/wp\/v2\/tags?post=641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}