{"id":15838,"date":"2026-03-04T16:29:02","date_gmt":"2026-03-04T08:29:02","guid":{"rendered":"https:\/\/rysilicone.com\/?p=15838"},"modified":"2026-04-07T11:08:23","modified_gmt":"2026-04-07T03:08:23","slug":"tear-strength-vs-hardness-the-engineering-behind-anti-choking-pacifier-design","status":"publish","type":"post","link":"https:\/\/rysilicone.com\/vi\/tear-strength-vs-hardness-the-engineering-behind-anti-choking-pacifier-design\/","title":{"rendered":"\u0110\u1ed9 b\u1ec1n x\u00e9 so v\u1edbi \u0111\u1ed9 c\u1ee9ng: K\u1ef9 thu\u1eadt \u0111\u1eb1ng sau thi\u1ebft k\u1ebf n\u00fam v\u00fa gi\u1ea3 ch\u1ed1ng ngh\u1eb9n"},"content":{"rendered":"

Khi thi\u1ebft k\u1ebf n\u00fam v\u00fa gi\u1ea3, an to\u00e0n lu\u00f4n \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u. Nhi\u1ec1u nh\u00f3m t\u1eadp trung v\u00e0o... \u0110\u1ed9 c\u1ee9ng Shore A<\/a>. H\u1ecd tin r\u1eb1ng silicone c\u1ee9ng h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi s\u1ea3n ph\u1ea9m b\u1ec1n h\u01a1n. Tuy nhi\u00ean, trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t, \u00fd t\u01b0\u1edfng n\u00e0y th\u01b0\u1eddng g\u00e2y ra v\u1ea5n \u0111\u1ec1. Silicone c\u1ee9ng h\u01a1n c\u00f3 th\u1ec3 tr\u1edf n\u00ean gi\u00f2n. Ch\u1ec9 c\u1ea7n r\u0103ng c\u1ee7a em b\u00e9 t\u1ea1o ra m\u1ed9t v\u1ebft c\u1eaft nh\u1ecf, ch\u1ea5t li\u1ec7u c\u00f3 th\u1ec3 b\u1ecb r\u00e1ch nhanh ch\u00f3ng. V\u1ebft r\u00e1ch nh\u1ecf \u0111\u00f3 c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh nguy c\u01a1 g\u00e2y ngh\u1eb9n.<\/p>\n\n\n\n

Sau nhi\u1ec1u n\u0103m l\u00e0m vi\u1ec7c trong l\u0129nh v\u1ef1c \u0111\u00fac khu\u00f4n silicon, s\u1ea3n ph\u1ea9m cho em b\u00e9<\/a>, T\u00f4i \u0111\u00e3 r\u00fat ra \u0111\u01b0\u1ee3c m\u1ed9t b\u00e0i h\u1ecdc r\u00f5 r\u00e0ng. \u0110\u1ed9 b\u1ec1n x\u00e9 quan tr\u1ecdng h\u01a1n \u0111\u1ed9 c\u1ee9ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao. T\u00f4i s\u1ebd ph\u00e2n t\u00edch logic v\u1eadt li\u1ec7u, th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 c\u00e1c quy\u1ebft \u0111\u1ecbnh t\u1ea1i x\u01b0\u1edfng s\u1ea3n xu\u1ea5t d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u1ea1o ra nh\u1eefng chi\u1ebfc n\u00fam v\u00fa gi\u1ea3 an to\u00e0n h\u01a1n.<\/p>\n\n\n\n

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

S\u1ef1 hi\u1ec3u l\u1ea7m xung quanh \u0111\u1ed9 c\u1ee9ng<\/h2>\n\n\n\n

M\u00e1y \u0111o \u0111\u1ed9 c\u1ee9ng Shore A \u0111o \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t. N\u00f3 kh\u00f4ng \u0111o kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch. Silicone c\u00f3 \u0111\u1ed9 c\u1ee9ng 60 Shore A s\u1ebd c\u1ea3m th\u1ea5y ch\u1eafc ch\u1eafn. N\u00f3 ch\u1ed1ng l\u1ea1i s\u1ef1 l\u00fan. Nh\u01b0ng ch\u1ec9 \u0111\u1ed9 ch\u1eafc ch\u1eafn th\u00f4i th\u00ec kh\u00f4ng ng\u0103n \u0111\u01b0\u1ee3c s\u1ef1 lan r\u1ed9ng c\u1ee7a v\u1ebft n\u1ee9t.<\/p>\n\n\n\n

Trong nhi\u1ec1u m\u1eabu l\u1ed7i m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 ki\u1ec3m tra, hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y r\u1ea5t r\u00f5 r\u00e0ng. Ch\u1ea5t li\u1ec7u silicone qu\u00e1 c\u1ee9ng. M\u1ed9t v\u1ebft c\u1eafn nh\u1ecf nhanh ch\u00f3ng bi\u1ebfn th\u00e0nh v\u1ebft n\u1ee9t. V\u1ebft n\u1ee9t lan r\u1ed9ng nhanh ch\u00f3ng. N\u00fam v\u00fa t\u00e1ch r\u1eddi kh\u1ecfi th\u00e2n. S\u1ea3n ph\u1ea9m b\u1ecb h\u1ecfng s\u1edbm h\u01a1n d\u1ef1 ki\u1ebfn.<\/p>\n\n\n\n

\u0110\u1ed9 b\u1ec1n x\u00e9 l\u1ea1i cho th\u1ea5y m\u1ed9t c\u00e2u chuy\u1ec7n kh\u00e1c. N\u00f3 \u0111o l\u01b0\u1eddng l\u1ef1c m\u00e0 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c sau khi \u0111\u00e3 c\u00f3 v\u1ebft c\u1eaft. \u0110\u1ed1i v\u1edbi n\u00fam v\u00fa gi\u1ea3, \u0111\u1eb7c t\u00ednh n\u00e0y r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n

T\u1ea1i c\u00e1c th\u1ecb tr\u01b0\u1eddng nh\u01b0 Hoa K\u1ef3, vi\u1ec7c thu h\u1ed3i s\u1ea3n ph\u1ea9m g\u00e2y t\u1ed5n h\u1ea1i nhanh ch\u00f3ng \u0111\u1ebfn th\u01b0\u01a1ng hi\u1ec7u. C\u00e1c c\u01a1 quan nh\u01b0 \u1ee6y ban An to\u00e0n S\u1ea3n ph\u1ea9m Ti\u00eau d\u00f9ng Hoa K\u1ef3 gi\u00e1m s\u00e1t ch\u1eb7t ch\u1ebd c\u00e1c nguy c\u01a1 g\u00e2y ngh\u1eb9t th\u1edf. Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng th\u1ee9c silicone kh\u00f4ng ph\u00f9 h\u1ee3p kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t sai l\u1ea7m k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n l\u00e0 m\u1ed9t r\u1ee7i ro kinh doanh.<\/p>\n\n\n\n

V\u1eadt l\u00fd h\u1ecdc v\u1ec1 c\u00fa c\u1eafn c\u1ee7a tr\u1ebb s\u01a1 sinh<\/h2>\n\n\n\n

R\u0103ng s\u1eefa nh\u1ecf nh\u01b0ng s\u1eafc nh\u1ecdn. Ch\u00fang t\u1ea1o ra nh\u1eefng v\u1ebft x\u01b0\u1edbc nh\u1ecf tr\u00ean b\u1ec1 m\u1eb7t silicon. Nh\u1eefng v\u1ebft x\u01b0\u1edbc n\u00e0y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 nh\u1eefng \u0111i\u1ec3m t\u1eadp trung \u1ee9ng su\u1ea5t. C\u00e1c k\u1ef9 s\u01b0 g\u1ecdi \u0111\u00e2y l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea1y c\u1ea3m v\u1edbi v\u1ebft kh\u00eda.<\/p>\n\n\n\n

M\u1ed9t khi v\u1ebft kh\u00eda h\u00ecnh th\u00e0nh, v\u1ebft c\u1eafn ti\u1ebfp theo s\u1ebd g\u00e2y ra nhi\u1ec1u thi\u1ec7t h\u1ea1i h\u01a1n. \u00c1p l\u1ef1c t\u1eadp trung \u1edf \u0111\u1ea7u v\u1ebft c\u1eaft. N\u1ebfu silicon gi\u00f2n, v\u1ebft n\u1ee9t s\u1ebd lan nhanh.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh v\u1ebft r\u00e1ch<\/h3>\n\n\n\n

Hi\u1ec7n t\u01b0\u1ee3ng r\u00e1ch th\u01b0\u1eddng x\u1ea3y ra qua hai giai \u0111o\u1ea1n.<\/p>\n\n\n\n

    \n
  1. B\u01b0\u1edbc x\u00e2m nh\u1eadp ban \u0111\u1ea7u. R\u0103ng ph\u00e1 v\u1ee1 b\u1ec1 m\u1eb7t.<\/li>\n\n\n\n
  2. S\u1ef1 lan truy\u1ec1n v\u1ebft n\u1ee9t. V\u1ebft c\u1eaft hi\u1ec7n c\u00f3 lan r\u1ed9ng khi b\u1ecb c\u1eafn li\u00ean t\u1ee5c.<\/li>\n<\/ol>\n\n\n\n

    Silicone c\u00f3 \u0111\u1ed9 d\u1ebbo v\u1eeba ph\u1ea3i gi\u00fap ph\u00e2n t\u00e1n \u1ee9ng su\u1ea5t t\u1ed1t h\u01a1n. Silicone qu\u00e1 c\u1ee9ng kh\u00f4ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng t\u1ed1t. N\u00f3 truy\u1ec1n \u1ee9ng su\u1ea5t tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ea7u v\u1ebft n\u1ee9t.<\/p>\n\n\n\n

    Trong ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a ch\u00fang t\u00f4i, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u1ec1n x\u00e9 ASTM D624 Lo\u1ea1i B. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y m\u00f4 ph\u1ecfng vi\u1ec7c x\u00e9 \u1edf g\u00f3c \u0111\u1ed9 nghi\u00eang. N\u00f3 ph\u1ea3n \u00e1nh \u0111i\u1ec1u ki\u1ec7n nhai th\u1ef1c t\u1ebf t\u1ed1t h\u01a1n so v\u1edbi vi\u1ec7c k\u00e9o th\u1eb3ng \u0111\u01a1n gi\u1ea3n. Trong qu\u00e1 tr\u00ecnh ph\u00ea duy\u1ec7t s\u1ea3n ph\u1ea9m, ch\u00fang t\u00f4i tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n x\u00e9 d\u01b0\u1edbi 20 kN\/m cho n\u00fam v\u00fa gi\u1ea3.<\/p>\n\n\n\n

    Nh\u1eefng g\u00ec ch\u00fang ta th\u1ea5y trong qu\u00e1 tr\u00ecnh nhai m\u00f4 ph\u1ecfng<\/h3>\n\n\n\n

    Khi ch\u00fang ta th\u1ef1c hi\u1ec7n m\u00f4 ph\u1ecfng l\u1ef1c c\u1eafn theo chu k\u1ef3, c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n x\u00e9 th\u1ea5p s\u1ebd b\u1ecb xu\u1ed1ng c\u1ea5p nhanh ch\u00f3ng. C\u00e1c v\u1ebft c\u1eaft nh\u1ecf s\u1ebd r\u1ed9ng ra sau h\u00e0ng ngh\u00ecn chu k\u1ef3. Silicone c\u00f3 \u0111\u1ed9 b\u1ec1n x\u00e9 cao duy tr\u00ec c\u1ea5u tr\u00fac l\u00e2u h\u01a1n nhi\u1ec1u.<\/p>\n\n\n\n

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

    M\u1eadt \u0111\u1ed9 li\u00ean k\u1ebft ngang: \u0110i\u1ec3m c\u00e2n b\u1eb1ng<\/h2>\n\n\n\n

    T\u00ednh ch\u1ea5t c\u1ee7a silicone ph\u1ee5 thu\u1ed9c v\u00e0o m\u1eadt \u0111\u1ed9 li\u00ean k\u1ebft ngang. C\u00e1c li\u00ean k\u1ebft ngang k\u1ebft n\u1ed1i c\u00e1c chu\u1ed7i polymer, ki\u1ec3m so\u00e1t \u0111\u1ed9 \u0111\u00e0n h\u1ed3i v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/p>\n\n\n\n

    N\u1ebfu m\u1eadt \u0111\u1ed9 li\u00ean k\u1ebft ngang qu\u00e1 th\u1ea5p, silicon s\u1ebd m\u1ec1m v\u00e0 y\u1ebfu. N\u00f3 c\u00f3 th\u1ec3 b\u1ecb bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n. N\u00fam v\u00fa c\u00f3 th\u1ec3 b\u1ecb x\u1eb9p.<\/p>\n\n\n\n

    N\u1ebfu m\u1eadt \u0111\u1ed9 li\u00ean k\u1ebft ngang qu\u00e1 cao, silicon s\u1ebd tr\u1edf n\u00ean c\u1ee9ng v\u00e0 gi\u00f2n. Kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch gi\u1ea3m.<\/p>\n\n\n\n

    C\u00f3 m\u1ed9t v\u00f9ng \u1edf gi\u1eefa. T\u00f4i g\u1ecdi \u0111\u00f3 l\u00e0 \u0111i\u1ec3m c\u00e2n b\u1eb1ng.<\/p>\n\n\n\n

    Ki\u1ec3m so\u00e1t tr\u1ed9n th\u1ef1c t\u1ebf<\/h3>\n\n\n\n

    Trong c\u00e1c h\u1ec7 th\u1ed1ng cao su silicone l\u1ecfng, nh\u1eefng thay \u0111\u1ed5i nh\u1ecf trong t\u1ef7 l\u1ec7 ch\u1ea5t x\u00fac t\u00e1c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1eadt \u0111\u1ed9 li\u00ean k\u1ebft ngang. M\u1ed9t \u0111i\u1ec1u ch\u1ec9nh nh\u1ecf trong t\u1ef7 l\u1ec7 pha tr\u1ed9n c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u1ea3 \u0111\u1ed9 c\u1ee9ng Shore A v\u00e0 \u0111\u1ed9 b\u1ec1n x\u00e9.<\/p>\n\n\n\n

    Trong m\u1ed9t l\u00f4 s\u1ea3n ph\u1ea9m \u0111\u1ea1t ti\u00eau chu\u1ea9n y t\u1ebf, ch\u00fang t\u00f4i \u0111\u1eb7t m\u1ee5c ti\u00eau \u0111\u1ea1t m\u1eadt \u0111\u1ed9 li\u00ean k\u1ebft ngang kho\u1ea3ng 0,55 mol%. K\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c l\u00e0 \u0111\u1ed9 c\u1ee9ng kho\u1ea3ng 42 Shore A v\u00e0 \u0111\u1ed9 b\u1ec1n x\u00e9 28 kN\/m. Phi\u00ean b\u1ea3n c\u1ee9ng h\u01a1n v\u1edbi \u0111\u1ed9 c\u1ee9ng 58 Shore A l\u1ea1i cho th\u1ea5y hi\u1ec7u su\u1ea5t x\u00e9 th\u1ea5p h\u01a1n nhi\u1ec1u. N\u00f3 b\u1ecb n\u1ee9t d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u1ee9ng su\u1ea5t l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n

    Ph\u1ea1m vi li\u00ean k\u1ebft ch\u00e9o \u0111i\u1ec3n h\u00ecnh<\/h3>\n\n\n\n
    M\u1ee9c \u0111\u1ed9 li\u00ean k\u1ebft ch\u00e9o (mol%)<\/td>B\u1edd A<\/td>\u0110\u1ed9 b\u1ec1n x\u00e9 (kN\/m)<\/td>Hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00fam v\u00fa gi\u1ea3<\/td><\/tr>
    0,25\u20130,45<\/td>28\u201338<\/td>14\u201319<\/td>Qu\u00e1 m\u1ec1m, kh\u1ea3 n\u0103ng gi\u1eef d\u00e1ng k\u00e9m.<\/td><\/tr>
    0,50\u20130,75<\/td>40\u201348<\/td>24\u201330<\/td>C\u00e2n b\u1eb1ng v\u00e0 \u0111\u00e1ng tin c\u1eady<\/td><\/tr>
    0,80\u20131,00<\/td>52\u201362<\/td>9\u201313<\/td>Qu\u00e1 gi\u00f2n, d\u1ec5 n\u1ee9t v\u1ee1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u00e1c m\u1eabu \u0111\u00e3 qua x\u1eed l\u00fd th\u1ef1c t\u1ebf \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n\n\n\n

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

    Thi\u1ebft k\u1ebf quan tr\u1ecdng kh\u00f4ng k\u00e9m g\u00ec ch\u1ea5t li\u1ec7u.<\/h2>\n\n\n\n

    Ch\u1ec9 ri\u00eang v\u1eadt li\u1ec7u th\u00f4i th\u00ec kh\u00f4ng th\u1ec3 ng\u0103n ng\u1eeba ngh\u1eb9t th\u1edf. Thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac \u0111\u00f3ng vai tr\u00f2 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n

    V\u00f9ng n\u1ed1i gi\u1eefa n\u00fam v\u00fa v\u00e0 \u0111\u1ebf l\u00e0 khu v\u1ef1c quan tr\u1ecdng. C\u00e1c g\u00f3c nh\u1ecdn t\u1ea1o ra s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t. C\u00e1c \u0111\u01b0\u1eddng chuy\u1ec3n ti\u1ebfp bo tr\u00f2n ph\u00e2n b\u1ed5 l\u1ef1c \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n.<\/p>\n\n\n\n

    Ch\u00fang t\u00f4i th\u01b0\u1eddng s\u1eed d\u1ee5ng b\u00e1n k\u00ednh kho\u1ea3ng 0,7 mm \u1edf nh\u1eefng khu v\u1ef1c n\u00e0y. K\u1ebft qu\u1ea3 m\u00f4 ph\u1ecfng cho th\u1ea5y s\u1ef1 gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u1ee9ng su\u1ea5t c\u1ef1c \u0111\u1ea1i.<\/p>\n\n\n\n

    Chi ti\u1ebft v\u1ec1 khu\u00f4n v\u00e0 quy tr\u00ecnh<\/h3>\n\n\n\n

    V\u1ecb tr\u00ed c\u1ee7a c\u1ed5ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ecbnh h\u01b0\u1edbng ph\u00e2n t\u1eed. N\u1ebfu c\u1ed5ng n\u1eb1m g\u1ea7n v\u00f9ng c\u1eafn, c\u1ea5u tr\u00fac c\u1ee5c b\u1ed9 c\u00f3 th\u1ec3 b\u1ecb suy y\u1ebfu. Ch\u00fang t\u00f4i di chuy\u1ec3n c\u00e1c c\u1ed5ng ra xa khu v\u1ef1c nhai.<\/p>\n\n\n\n

    C\u00e1c \u0111\u01b0\u1eddng g\u1edd v\u00e0 \u0111\u01b0\u1eddng ph\u00e2n khu\u00f4n c\u0169ng r\u1ea5t quan tr\u1ecdng. C\u00e1c \u0111\u01b0\u1eddng n\u1ed1i khu\u00f4n th\u00f4 r\u00e1p c\u00f3 th\u1ec3 g\u00e2y ra r\u00e1ch. Gia c\u00f4ng ch\u00ednh x\u00e1c v\u00e0 c\u1eaft t\u1ec9a c\u1ea9n th\u1eadn s\u1ebd gi\u1ea3m thi\u1ec3u r\u1ee7i ro n\u00e0y.<\/p>\n\n\n\n

    Nh\u1eefng chi ti\u1ebft nh\u1ecf n\u00e0y th\u01b0\u1eddng quy\u1ebft \u0111\u1ecbnh li\u1ec7u n\u00fam v\u00fa gi\u1ea3 c\u00f3 v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c b\u00e0i ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i hay kh\u00f4ng.<\/p>\n\n\n\n

    Ki\u1ec3m tra \u0111\u1ed9 m\u1ecfi \u0111\u1ed9ng<\/h2>\n\n\n\n

    C\u00e1c b\u00e0i ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o ti\u00eau chu\u1ea9n ch\u1ec9 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n ban \u0111\u1ea7u. Ch\u00fang kh\u00f4ng ph\u1ea3n \u00e1nh vi\u1ec7c s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf. Tr\u1ebb s\u01a1 sinh c\u1eafn nhi\u1ec1u l\u1ea7n. S\u1ef1 c\u0103ng th\u1eb3ng c\u00f3 t\u00ednh chu k\u1ef3.<\/p>\n\n\n\n

    Ch\u00fang t\u00f4i \u0111\u00e3 ch\u1ebf t\u1ea1o c\u00e1c thi\u1ebft b\u1ecb n\u1ed9i b\u1ed9 \u0111\u1ec3 m\u00f4 ph\u1ecfng chu k\u1ef3 nhai.<\/p>\n\n\n\n

    Trong m\u1ed9t b\u00e0i ki\u1ec3m tra so s\u00e1nh:<\/p>\n\n\n\n

    Lo\u1ea1i v\u1eadt li\u1ec7u<\/td>L\u1ef1c x\u00e9 ban \u0111\u1ea7u (kN\/m)<\/td>Sau 12.000 chu k\u1ef3 (kN\/m)<\/td>M\u1ea5t s\u1ee9c m\u1ea1nh<\/td><\/tr>
    43 Shore A \u0110\u1ed9 b\u1ec1n x\u00e9 cao<\/td>29<\/td>23.2<\/td>20%<\/td><\/tr>
    Ti\u00eau chu\u1ea9n Shore A 58<\/td>17<\/td>8.5<\/td>50%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    V\u1eadt li\u1ec7u c\u1ee9ng h\u01a1n b\u1ecb m\u1ea5t \u0111i m\u1ed9t n\u1eeda \u0111\u1ed9 b\u1ec1n. C\u00e1c v\u1ebft n\u1ee9t c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y xu\u1ea5t hi\u1ec7n s\u1edbm. C\u00f4ng th\u1ee9c c\u00e2n b\u1eb1ng v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c ch\u1ee9c n\u0103ng.<\/p>\n\n\n\n

    Ch\u00fang t\u00f4i c\u0169ng ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u01b0\u1edbc b\u1ecdt v\u00e0 l\u00e3o h\u00f3a do nhi\u1ec7t. N\u00fam v\u00fa gi\u1ea3 ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh kh\u1eed tr\u00f9ng v\u00e0 gi\u1eb7t r\u1eeda h\u00e0ng ng\u00e0y.<\/p>\n\n\n\n

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

    Ti\u00eau chu\u1ea9n tu\u00e2n th\u1ee7 v\u00e0 an to\u00e0n<\/h2>\n\n\n\n

    N\u00fam v\u00fa gi\u1ea3 ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c quy \u0111\u1ecbnh v\u1ec1 an to\u00e0n c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc. T\u1ea1i M\u1ef9, \u1ee6y ban An to\u00e0n S\u1ea3n ph\u1ea9m Ti\u00eau d\u00f9ng Hoa K\u1ef3 (US Consumer Product Safety Commission) \u0111\u1eb7t ra c\u00e1c y\u00eau c\u1ea7u v\u1ec1 l\u1ef1c k\u00e9o. Th\u1ecb tr\u01b0\u1eddng qu\u1ed1c t\u1ebf c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n ISO v\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc.<\/p>\n\n\n\n

    C\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ISO 10993 v\u00e0 USP Class VI t\u1eadp trung v\u00e0o an to\u00e0n sinh h\u1ecdc. Ch\u00fang kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n x\u00e9. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c ki\u1ec3m \u0111\u1ecbnh c\u01a1 h\u1ecdc n\u1ed9i b\u1ed9 l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

    C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t n\u00ean y\u00eau c\u1ea7u d\u1eef li\u1ec7u \u0111\u1ed9 b\u1ec1n x\u00e9 th\u1ef1c t\u1ebf t\u1eeb nh\u00e0 cung c\u1ea5p. H\u00e3y y\u00eau c\u1ea7u k\u1ebft qu\u1ea3 ASTM D624 Lo\u1ea1i B. Kh\u00f4ng n\u00ean ch\u1ec9 d\u1ef1a v\u00e0o gi\u00e1 tr\u1ecb Shore A.<\/p>\n\n\n\n

    Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n

    \u0110\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m d\u00e0nh cho tr\u1ebb s\u01a1 sinh, \u0111\u1ed9 b\u1ec1n x\u00e9 r\u00e1ch n\u00ean l\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh. \u0110\u1ed9 c\u1ee9ng l\u00e0 th\u00f4ng s\u1ed1 th\u1ee9 y\u1ebfu.<\/p>\n\n\n\n

    N\u00fam v\u00fa gi\u1ea3 kh\u00f4ng h\u1ecfng v\u00ec qu\u00e1 m\u1ec1m. N\u00f3 h\u1ecfng v\u00ec m\u1ed9t v\u1ebft c\u1eaft nh\u1ecf ph\u00e1t tri\u1ec3n th\u00e0nh m\u1ed9t v\u1ebft r\u00e1ch l\u1edbn.<\/p>\n\n\n\n

    Nh\u1edd ki\u1ec3m so\u00e1t li\u00ean k\u1ebft ch\u00e9o ch\u00ednh x\u00e1c, thi\u1ebft k\u1ebf khu\u00f4n m\u1eabu chu \u0111\u00e1o v\u00e0 th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n m\u1ecfi \u0111\u1ed9ng, n\u00fam v\u00fa gi\u1ea3 b\u1eb1ng silicone c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea3 s\u1ef1 tho\u1ea3i m\u00e1i v\u00e0 an to\u00e0n.<\/p>\n\n\n\n

    V\u1edbi kinh nghi\u1ec7m nhi\u1ec1u n\u0103m trong l\u0129nh v\u1ef1c silicone v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 hi\u1ec7n \u0111\u1ea1i nh\u01b0 m\u00e1y m\u00f4 ph\u1ecfng m\u1ecfi n\u00fam v\u00fa, ch\u00fang t\u00f4i s\u1eb5n s\u00e0ng t\u1ea1o ra c\u00e1c gi\u1ea3i ph\u00e1p n\u00fam v\u00fa gi\u1ea3 t\u00f9y ch\u1ec9nh, \u01b0u ti\u00ean s\u1ef1 an to\u00e0n v\u00e0 \u0111\u1ed5i m\u1edbi. H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 vi\u1ec7c t\u00f9y ch\u1ec9nh s\u1ea3n ph\u1ea9m cho d\u00f2ng s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ea1n. C\u00f9ng nhau t\u1ea1o ra nh\u1eefng s\u1ea3n ph\u1ea9m mang l\u1ea1i s\u1ef1 an t\u00e2m.<\/p>\n\n\n\n

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

    When we design pacifiers, safety comes first. Many teams focus on Shore A hardness. They believe harder silicone means stronger products. In real production, this idea often causes problems. Harder silicone can become brittle. Once a baby\u2019s tooth creates a small cut, the material may tear quickly. That small tear can turn into a choking […]<\/p>\n","protected":false},"author":1,"featured_media":15833,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1013],"tags":[1035,1036,1034],"class_list":["post-15838","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-silicone-properties","tag-silicone-hardness","tag-silicone-pacifier","tag-silicone-tear-strength"],"_links":{"self":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts\/15838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/comments?post=15838"}],"version-history":[{"count":0,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts\/15838\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/media\/15833"}],"wp:attachment":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/media?parent=15838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/categories?post=15838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/tags?post=15838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}