{"id":6386,"date":"2026-04-08T23:51:56","date_gmt":"2026-04-08T23:51:56","guid":{"rendered":"https:\/\/www.sungda.com\/vi\/post\/what-is-conveyor-belt-tensile-strength-and-elongation-at-break-vi"},"modified":"2026-04-08T23:51:56","modified_gmt":"2026-04-08T23:51:56","slug":"what-is-conveyor-belt-tensile-strength-and-elongation-at-break-vi","status":"publish","type":"post","link":"https:\/\/www.sungda.com\/vi\/index.php\/what-is-conveyor-belt-tensile-strength-and-elongation-at-break-vi\/","title":{"rendered":"\u0110\u1ed9 B\u1ec1n K\u00e9o v\u00e0 \u0110\u1ed9 Gi\u00e3n D\u00e0i Trong B\u0103ng T\u1ea3i Cao Su L\u00e0 G\u00ec?"},"content":{"rendered":"\n

Trong c\u00e1c m\u00f4 t\u1ea3 k\u1ef9 thu\u1eadt v\u1ec1 b\u0103ng t\u1ea3i cao su, ch\u00fang ta th\u01b0\u1eddng g\u1eb7p c\u00e1c thu\u1eadt ng\u1eef nh\u01b0 \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t to\u00e0n b\u1ec1 d\u00e0y v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o. C\u00e1c th\u00f4ng s\u1ed1 n\u00e0y l\u1ea7n l\u01b0\u1ee3t \u0111\u1ea1i di\u1ec7n cho nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0o c\u1ee7a b\u0103ng t\u1ea3i cao su? V\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u00fang l\u00e0 g\u00ec?<\/p>\n\n\n\n

1. \u0110\u1ed9 gi\u00e3n d\u00e0i trong cao su l\u00e0 g\u00ec?<\/h2>\n\n\n\n


\u0110\u1ed9 gi\u00e3n d\u00e0i trong cao su \u0111\u1ec1 c\u1eadp \u0111\u1ebfn s\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a v\u1eadt li\u1ec7u khi ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a ngo\u1ea1i l\u1ef1c, \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng t\u1ef7 l\u1ec7 gi\u1eefa \u0111\u1ed9 bi\u1ebfn d\u1ea1ng v\u00e0 chi\u1ec1u d\u00e0i ban \u0111\u1ea7u, th\u01b0\u1eddng t\u00ednh b\u1eb1ng ph\u1ea7n tr\u0103m. V\u00ed d\u1ee5, n\u1ebfu m\u1ed9t m\u1eabu cao su c\u00f3 chi\u1ec1u d\u00e0i 100 milim\u00e9t \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i \u0111\u1ebfn 110 milim\u00e9t, th\u00ec \u0111\u1ed9 gi\u00e3n d\u00e0i l\u00e0 10%. \u0110\u1ed9 gi\u00e3n d\u00e0i trong cao su ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 c\u1ea5u tr\u00fac ph\u00e2n t\u1eed, \u0111\u1ed9 c\u1ee9ng, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m.<\/p>\n\n\n\n

\u0110\u1ed9 gi\u00e3n d\u00e0i trong cao su c\u0169ng l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng v\u1ec1 t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u c\u1ee7a n\u00f3. Cao su c\u00f3 \u0111\u1ed9 gi\u00e3n d\u00e0i cao th\u01b0\u1eddng th\u1ec3 hi\u1ec7n t\u00ednh \u0111\u00e0n h\u1ed3i v\u00e0 linh ho\u1ea1t t\u1ed1t, cho ph\u00e9p n\u00f3 ch\u1ecbu bi\u1ebfn d\u1ea1ng \u0111\u00e1ng k\u1ec3 m\u00e0 kh\u00f4ng b\u1ecb \u0111\u1ee9t ngay l\u1eadp t\u1ee9c. T\u00ednh ch\u1ea5t n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 l\u00f2 xo, mi\u1ebfng \u0111\u1ec7m v\u00e0 \u1ed1ng cao su.<\/p>\n\n\n\n

2. \u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t trong cao su l\u00e0 g\u00ec?<\/h2>\n\n\n\n


\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t (c\u00f2n g\u1ecdi l\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i t\u1ea1i \u0111i\u1ec3m g\u00e3y) trong cao su \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u0111\u1ed9 bi\u1ebfn d\u1ea1ng t\u1ed1i \u0111a m\u00e0 m\u1eabu cao su ch\u1ecbu \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u1ecb g\u00e3y khi ch\u1ecbu l\u1ef1c k\u00e9o, \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng t\u1ef7 l\u1ec7 gi\u1eefa chi\u1ec1u d\u00e0i t\u0103ng th\u00eam v\u00e0 chi\u1ec1u d\u00e0i ban \u0111\u1ea7u, th\u01b0\u1eddng t\u00ednh b\u1eb1ng ph\u1ea7n tr\u0103m. N\u00f3 cho bi\u1ebft m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng t\u1ed1i \u0111a m\u00e0 cao su c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi h\u1ecfng. \u0110\u01a1n v\u1ecb v\u1eabn l\u00e0 ph\u1ea7n tr\u0103m (%).<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

V\u00ed d\u1ee5, n\u1ebfu chi\u1ec1u d\u00e0i ban \u0111\u1ea7u c\u1ee7a m\u1ed9t d\u1ea3i cao su l\u00e0 10 cm v\u00e0 n\u00f3 k\u00e9o d\u00e0i \u0111\u1ebfn 20 cm tr\u01b0\u1edbc khi \u0111\u1ee9t, th\u00ec \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t l\u00e0 100%, ngh\u0129a l\u00e0 chi\u1ec1u d\u00e0i t\u0103ng g\u1ea5p \u0111\u00f4i tr\u01b0\u1edbc khi g\u00e3y.<\/p>\n\n\n\n

\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t to\u00e0n b\u1ec1 d\u00e0y c\u1ee7a b\u0103ng t\u1ea3i cao su \u0111\u1ec1 c\u1eadp \u0111\u1ebfn t\u1ef7 l\u1ec7 gi\u1eefa \u0111\u1ed9 t\u0103ng chi\u1ec1u d\u00e0i c\u1ee7a m\u1eabu cao su khi b\u1ecb k\u00e9o \u0111\u1ee9t theo h\u01b0\u1edbng to\u00e0n b\u1ed9 b\u1ec1 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u cao su (bao g\u1ed3m c\u1ea3 l\u1edbp EP) so v\u1edbi chi\u1ec1u d\u00e0i ban \u0111\u1ea7u, th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng ph\u1ea7n tr\u0103m. Kh\u00f4ng gi\u1ed1ng nh\u01b0 \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t th\u00f4ng th\u01b0\u1eddng, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t to\u00e0n b\u1ec1 d\u00e0y t\u00ednh \u0111\u1ebfn s\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a cao su theo h\u01b0\u1edbng to\u00e0n b\u1ed9 b\u1ec1 d\u00e0y. \u0110\u01a1n v\u1ecb v\u1eabn l\u00e0 ph\u1ea7n tr\u0103m (%)<\/p>\n\n\n\n

\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t c\u1ee7a l\u1edbp ph\u1ee7 cao su tr\u00ean b\u0103ng t\u1ea3i l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng v\u1ec1 kh\u1ea3 n\u0103ng k\u00e9o gi\u00e3n v\u00e0 \u0111\u1ed9 d\u1ebbo dai c\u1ee7a v\u1eadt li\u1ec7u. Cao su c\u00f3 \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t cao th\u01b0\u1eddng th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t k\u00e9o gi\u00e3n tuy\u1ec7t v\u1eddi, c\u00f3 th\u1ec3 ch\u1ecbu bi\u1ebfn d\u1ea1ng \u0111\u00e1ng k\u1ec3 d\u01b0\u1edbi t\u1ea3i m\u00e0 kh\u00f4ng b\u1ecb \u0111\u1ee9t ngay l\u1eadp t\u1ee9c. T\u00ednh ch\u1ea5t n\u00e0y r\u1ea5t quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng th\u01b0\u1eddng xuy\u00ean ch\u1ecbu l\u1ef1c k\u00e9o gi\u00e3n ho\u1eb7c xo\u1eafn, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u0103ng t\u1ea3i, d\u00e2y cao su v\u00e0 \u1ed1ng cao su.<\/p>\n\n\n\n

3. \u0110\u1ed9 b\u1ec1n k\u00e9o trong cao su l\u00e0 g\u00ec?<\/h2>\n\n\n\n


\u0110\u1ed9 b\u1ec1n k\u00e9o trong cao su \u0111\u1ec1 c\u1eadp \u0111\u1ebfn l\u1ef1c k\u00e9o t\u1ed1i \u0111a m\u00e0 cao su c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u1ecb g\u00e3y khi ch\u1ecbu l\u1ef1c k\u00e9o. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng Pascal (Pa) ho\u1eb7c megapascal (MPa), v\u1edbi 1 MPa b\u1eb1ng 1 N\/m\u00b2.<\/p>\n\n\n\n

V\u00ed d\u1ee5, n\u1ebfu m\u1ed9t v\u1eadt li\u1ec7u cao su c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 10 MPa, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 n\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t 10 megapascal tr\u00ean m\u1ed7i m\u00e9t vu\u00f4ng tr\u01b0\u1edbc khi b\u1ecb g\u00e3y khi ch\u1ecbu l\u1ef1c k\u00e9o. V\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111\u1ee9t ho\u1eb7c bi\u1ebfn d\u1ea1ng.<\/p>\n\n\n\n

V\u00ed d\u1ee5, gi\u1ea3 s\u1eed c\u00f3 m\u1ed9t v\u1eadt li\u1ec7u cao su v\u1edbi \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 10 MPa (MPa), \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 trong qu\u00e1 tr\u00ecnh k\u00e9o gi\u00e3n, m\u1ed7i m\u00e9t vu\u00f4ng cao su c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t 10 MPa. N\u1ebfu ch\u00fang ta t\u00e1c d\u1ee5ng m\u1ed9t l\u1ef1c k\u00e9o l\u1edbn h\u01a1n 10 MPa l\u00ean cao su n\u00e0y, n\u00f3 c\u00f3 th\u1ec3 b\u1ecb \u0111\u1ee9t ho\u1eb7c bi\u1ebfn d\u1ea1ng. Trong m\u00f4 t\u1ea3 k\u1ef9 thu\u1eadt v\u1ec1 l\u1edbp ph\u1ee7 cao su c\u1ee7a b\u0103ng t\u1ea3i, \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 ch\u1ec9 s\u1ed1 k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn v\u00e0 quan tr\u1ecdng nh\u1ea5t. Ch\u1ec9 s\u1ed1 n\u00e0y th\u01b0\u1eddng quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u0103ng t\u1ea3i. Trong c\u00e1c ti\u00eau chu\u1ea9n b\u0103ng t\u1ea3i c\u1ee7a c\u00e1c qu\u1ed1c gia kh\u00e1c nhau, \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ec9 s\u1ed1 ch\u00ednh. V\u00ed d\u1ee5, DIN-Z trong DIN22102 cho bi\u1ebft \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a l\u1edbp ph\u1ee7 cao su c\u1ee7a b\u0103ng t\u1ea3i n\u00e0y l\u00e0 25Mpa. Trong ti\u00eau chu\u1ea9n AS, AS-N cho bi\u1ebft \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 17Mpa.<\/p>\n\n\n

4. M\u1ed1i quan h\u1ec7 gi\u1eefa \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t c\u1ee7a b\u0103ng t\u1ea3i<\/h2>\n\n\n\n

\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a b\u0103ng t\u1ea3i cao su c\u00f3 m\u1ed1i quan h\u1ec7 ch\u1eb7t ch\u1ebd v\u1edbi nhau. Ch\u1ec9 khi m\u1eabu th\u1eed kh\u00f4ng b\u1ecb ph\u00e1 h\u1ee7y trong qu\u00e1 tr\u00ecnh k\u00e9o gi\u00e3n m\u1edbi th\u1ec3 hi\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1ed9 gi\u00e3n d\u00e0i cao h\u01a1n. Do \u0111\u00f3, c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o cao l\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t l\u1edbn. Ngo\u00e0i ra, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t gi\u1ea3m khi \u1ee9ng su\u1ea5t k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng t\u0103ng, trong khi n\u00f3 t\u0103ng l\u00ean khi \u0111\u1ed9 \u0111\u00e0n h\u1ed3i t\u0103ng. Cao su c\u00f3 t\u00ednh linh ho\u1ea1t chu\u1ed7i ph\u00e2n t\u1eed t\u1ed1t v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i cao th\u1ec3 hi\u1ec7n \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t cao h\u01a1n. Cao su t\u1ef1 nhi\u00ean (NR) ph\u00f9 h\u1ee3p nh\u1ea5t \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 gi\u00e3n d\u00e0i cao, v\u1edbi \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t t\u0103ng l\u00ean khi h\u00e0m l\u01b0\u1ee3ng cao su t\u0103ng. Khi h\u00e0m l\u01b0\u1ee3ng cao su v\u00e0o kho\u1ea3ng 80%, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 1000%. Cao su d\u1ec5 bi\u1ebfn d\u1ea1ng d\u1ebbo c\u0169ng th\u1ec3 hi\u1ec7n \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t cao h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 cao su isobutylene-isoprene (IIR), c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t t\u01b0\u01a1ng \u0111\u1ed1i cao.<\/p>\n\n\n

\u0110\u1ed9 b\u1ec1n k\u00e9o trong cao su \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u nh\u01b0 th\u00e0nh ph\u1ea7n, quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9. Nh\u00ecn chung, \u0111\u1ed9 b\u1ec1n k\u00e9o cao h\u01a1n cho th\u1ea5y kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ed1t h\u01a1n d\u01b0\u1edbi l\u1ef1c k\u00e9o.<\/p>\n\n\n

\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t gi\u1ea3m khi m\u1eadt \u0111\u1ed9 li\u00ean k\u1ebft ch\u00e9o t\u0103ng. Do \u0111\u00f3, khi s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 gi\u00e3n d\u00e0i cao, l\u01b0\u1ee3ng ch\u1ea5t l\u01b0u h\u00f3a v\u00e0 ch\u1ea5t gia t\u1ed1c n\u00ean \u0111\u01b0\u1ee3c gi\u1ea3m b\u1edbt m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p. C\u00e1c ch\u1ea5t gia c\u01b0\u1eddng l\u00e0m gi\u1ea3m \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t, \u0111\u1eb7c bi\u1ec7t l\u00e0 carbon \u0111en c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf v\u00e0 c\u1ea5u tr\u00fac cao, g\u00e2y ra s\u1ef1 gi\u1ea3m \u0111\u00e1ng k\u1ec3 h\u01a1n v\u1ec1 \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t. Khi h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n t\u0103ng, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t gi\u1ea3m. T\u0103ng l\u01b0\u1ee3ng ch\u1ea5t h\u00f3a d\u1ebbo c\u0169ng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t l\u1edbn h\u01a1n.<\/p>\n\n\n

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Nh\u00ecn chung, \u0111\u1ed9 gi\u00e3n d\u00e0i, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a b\u0103ng t\u1ea3i cao su c\u1ee5 th\u1ec3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u0111\u1eb7c t\u00ednh c\u1ee7a c\u00e1c l\u1edbp ph\u1ee7 cao su, bao g\u1ed3m l\u1edbp ph\u1ee7 cao su tr\u00ean v\u00e0 l\u1edbp ph\u1ee7 cao su d\u01b0\u1edbi. Trong khi \u0111\u00f3, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t to\u00e0n b\u1ed9 \u0111\u1ed9 d\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn t\u00ednh ch\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a b\u0103ng t\u1ea3i, bao g\u1ed3m c\u1ea3 l\u1edbp EP.<\/p>\n\n\n

T\u00f3m l\u1ea1i, \u0111\u1ed9 gi\u00e3n d\u00e0i, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 nh\u1eefng ch\u1ec9 s\u1ed1 quan tr\u1ecdng v\u1ec1 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u cao su trong b\u0103ng t\u1ea3i. Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cao su v\u00e0 k\u1ef9 thu\u1eadt gia c\u00f4ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 t\u1ed5ng th\u1ec3 v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a b\u0103ng t\u1ea3i.<\/p>\n\n\n

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X\u01b0\u1edfng L\u01b0u h\u00f3a B\u0103ng t\u1ea3i SUNGDA <\/strong><\/p>\n\n\n

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M\u1eb7t c\u1eaft b\u0103ng t\u1ea3i cao su \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 \u0111\u00f3ng g\u00f3i<\/figcaption><\/figure>\n\n\n\n
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\"\"<\/figure>\n<\/p>","protected":false},"excerpt":{"rendered":"

\u0110ang g\u1eb7p kh\u00f3 kh\u0103n v\u1edbi s\u1ef1 c\u1ed1 b\u0103ng t\u1ea3i? T\u00ecm hi\u1ec3u c\u00e1ch \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t. Nh\u1ea5p \u0111\u1ec3 kh\u00e1m ph\u00e1 nh\u1eefng hi\u1ec3u bi\u1ebft chuy\u00ean s\u00e2u t\u1eeb chuy\u00ean gia<\/p>\n","protected":false},"author":1,"featured_media":2456,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[637],"tags":[663,689,2504,2809,4284],"class_list":["post-6386","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-techinical-news-vi","tag-rubber-conveyor-belt-vi","tag-ep-conveyor-belt-vi","tag-conveyor-belt-specification-vi","tag-tensile-strength-vi","tag-elongation-at-break-vi"],"_links":{"self":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts\/6386","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/comments?post=6386"}],"version-history":[{"count":0,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts\/6386\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/media\/2456"}],"wp:attachment":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/media?parent=6386"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/categories?post=6386"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/tags?post=6386"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}