B\u0103ng polypropylene l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u ch\u1ed1ng \u0103n m\u00f2n kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m, kh\u00f4ng \u0111\u1ed9c h\u1ea1i v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, \u0111\u1ea1i di\u1ec7n cho c\u1ea5p \u0111\u1ed9 cao nh\u1ea5t c\u1ee7a b\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1ebft th\u01b0\u01a1ng l\u1ea1nh trong n\u01b0\u1edbc v\u00e0 qu\u1ed1c t\u1ebf, v\u00e0 c\u00f3 danh ti\u1ebfng l\u00e0 \u201cv\u01b0\u01a1ng mi\u1ec7n ch\u1ed1ng \u0103n m\u00f2n \u201d. V\u1eadt li\u1ec7u c\u01a1 b\u1ea3n l\u00e0 v\u1ea3i s\u1ee3i d\u1ec7t b\u1eb1ng polypropylen bi\u1ebfn t\u00ednh \u0111\u1ed9c \u0111\u00e1o, v\u00e0 nh\u1ef1a \u0111\u01b0\u1eddng bi\u1ebfn t\u00ednh cao su butyl \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m l\u1edbp k\u1ebft d\u00ednh ch\u1ed1ng \u0103n m\u00f2n. V\u1eadt li\u1ec7u c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac s\u1ee3i c\u00f3 th\u1ec3 ch\u1ed1ng l\u1ea1i s\u1ef1 ph\u00e1 h\u1ee7y t\u1eeb bi\u1ebfn m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 do \u1ee9ng su\u1ea5t c\u1ee7a \u0111\u1ea5t. N\u00f3 \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng c\u00e1c th\u1eed nghi\u1ec7m l\u00e3o h\u00f3a Ng\u01b0\u1eddi ta \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng tu\u1ed5i th\u1ecd ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 l\u00ean t\u1edbi h\u01a1n 50 n\u0103m. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong d\u1ea7u m\u1ecf, kh\u00ed \u0111\u1ed1t t\u1ef1 nhi\u00ean, c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, c\u1ea5p tho\u00e1t n\u01b0\u1edbc trong x\u00e2y d\u1ef1ng \u0111\u00f4 th\u1ecb, d\u1ea7u kh\u00ed, \u0111\u01b0\u1eddng \u1ed1ng th\u00e9p truy\u1ec1n d\u1eabn kh\u00ed \u0111\u1ed1t v\u00e0 c\u00e1c d\u1ef1 \u00e1n s\u1eeda ch\u1eefa v\u00e0 ch\u1ed1ng \u0103n m\u00f2n b\u00ean ngo\u00e0i c\u1ee7a b\u1ec3 ch\u1ee9a th\u00e9p ch\u00f4n. \u0110\u00e2y l\u00e0 s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c B\u1ed9 X\u00e2y d\u1ef1ng v\u00e0 C\u1ee5c B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng Nh\u00e0 n\u01b0\u1edbc khuy\u1ebfn ngh\u1ecb ch\u1ec9 \u0111\u1ecbnh \u0111\u1ec3 thay th\u1ebf \u201cv\u1ea3i th\u1ee7y tinh nh\u1ef1a \u0111\u01b0\u1eddng\u201d v\u00e0 \u201cnh\u1ef1a than epoxy\u201d. N\u00f3 c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n, ch\u1ed1ng va \u0111\u1eadp, ch\u1ed1ng l\u00e3o h\u00f3a, ch\u1ed1ng k\u00e9o, ch\u1ed1ng b\u1ee9c x\u1ea1 c\u1ef1c t\u00edm v\u00e0 \u0111\u1ed9 b\u1ec1n li\u00ean k\u1ebft cao. N\u00f3 l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t trong s\u1ed1 c\u00e1c b\u0103ng x\u00e2y d\u1ef1ng ch\u1ed1ng \u0103n m\u00f2n \u0111\u01b0\u1eddng \u1ed1ng l\u1ea1nh, v\u00e0 c\u0169ng l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn kinh t\u1ebf nh\u1ea5t \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n.<\/p>","protected":false},"excerpt":{"rendered":"
B\u0103ng polypropylene l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u ch\u1ed1ng \u0103n m\u00f2n kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m, kh\u00f4ng nguy hi\u1ec3m v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, \u0111\u1ea1i di\u1ec7n cho c\u1ea5p \u0111\u1ed9 cao nh\u1ea5t c\u1ee7a b\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1ebft th\u01b0\u01a1ng l\u1ea1nh trong n\u01b0\u1edbc v\u00e0 qu\u1ed1c t\u1ebf, v\u00e0 c\u00f3 danh ti\u1ebfng l\u00e0 \u201cv\u01b0\u01a1ng mi\u1ec7n ch\u1ed1ng \u0103n m\u00f2n \u201d. V\u1eadt li\u1ec7u c\u01a1 b\u1ea3n l\u00e0 v\u1ea3i s\u1ee3i d\u1ec7t b\u1eb1ng polypropylen bi\u1ebfn t\u00ednh \u0111\u1ed9c \u0111\u00e1o, v\u00e0 nh\u1ef1a \u0111\u01b0\u1eddng bi\u1ebfn t\u00ednh cao su butyl \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t ch\u1ed1ng \u0103n m\u00f2n\u2026<\/p>\n