![\"\"](\"https:\/\/rysilicone.com\/wp-content\/uploads\/2025\/12\/Cross-sectional-diagram-showing-the-internal-structure-and-fluid-mechanics-of-a-leak-proof-silicone-valve.jpg\")
<\/figure>\n\n\n\nKhi t\u00f4i tham gia thi\u1ebft k\u1ebf c\u1ed1c cho b\u00e9 b\u00fa ch\u1ed1ng r\u00f2 r\u1ec9 cho m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u d\u00e0nh cho m\u1eb9 v\u00e0 b\u00e9, nguy\u00ean m\u1eabu \u0111\u1ea7u ti\u00ean c\u1ee7a ch\u00fang t\u00f4i ho\u1eb7c b\u1ecb r\u00f2 r\u1ec9 khi nghi\u00eang ho\u1eb7c t\u1ea1o ra l\u1ef1c h\u00fat qu\u00e1 l\u1edbn. Ch\u1ec9 sau khi \u0111i\u1ec1u ch\u1ec9nh h\u00ecnh d\u1ea1ng van v\u00e0 \u0111\u01b0\u1eddng cong ph\u1ea3n \u1ee9ng \u00e1p su\u1ea5t \u00e2m, ch\u00fang t\u00f4i m\u1edbi \u0111\u1ea1t \u0111\u01b0\u1ee3c d\u00f2ng ch\u1ea3y \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng b\u1ecb r\u00f2 r\u1ec9.<\/p>\n\n\n\n
Ph\u00e2n t\u00edch c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u00fa m\u1eb9 c\u1ee7a tr\u1ebb s\u01a1 sinh?<\/h2>\n\n\n\n
Nh\u1ecbp b\u00fa c\u1ee7a m\u1ed7i tr\u1ebb s\u01a1 sinh l\u00e0 kh\u00e1c nhau, v\u00e0 \u00e1p l\u1ef1c h\u00fat m\u00e0 ch\u00fang t\u1ea1o ra c\u0169ng v\u1eady. Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y gi\u00fap ch\u00fang ta thi\u1ebft k\u1ebf c\u00e1c van m\u1edf d\u1ec5 d\u00e0ng nh\u01b0ng v\u1eabn \u0111\u00f3ng ch\u1eafc ch\u1eafn.<\/p>\n\n\n\n
H\u1ec7 th\u1ed1ng cho tr\u1ebb b\u00fa ph\u1ea3i c\u00e2n b\u1eb1ng gi\u1eefa d\u00f2ng ch\u1ea3y do l\u1ef1c h\u00fat d\u01b0\u1edbi \u00e1p su\u1ea5t \u00e2m (-50 \u0111\u1ebfn -200 mmHg) \u0111\u1ed3ng th\u1eddi ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng nh\u1ecf gi\u1ecdt kh\u00f4ng ki\u1ec3m so\u00e1t.<\/strong><\/p>\n\n\n\n Qu\u00e1 tr\u00ecnh cho \u0103n kh\u00f4ng di\u1ec5n ra li\u00ean t\u1ee5c \u2014 tr\u1ebb s\u01a1 sinh lu\u00e2n phi\u00ean gi\u1eefa b\u00fa v\u00e0 nu\u1ed1t. \u00c1p l\u1ef1c gi\u00e1n \u0111o\u1ea1n n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t van c\u00f3 th\u1ec3 m\u1edf nhanh v\u00e0 \u0111\u00f3ng l\u1ea1i gi\u1eefa c\u00e1c chu k\u1ef3, duy tr\u00ec ch\u00e2n kh\u00f4ng m\u00e0 kh\u00f4ng b\u1ecb r\u00f2 r\u1ec9.<\/p>\n\n\n\n Thi\u1ebft k\u1ebf t\u1ed1t m\u00f4 ph\u1ecfng h\u00e0nh vi d\u00f2ng ch\u1ea3y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng cong l\u01b0u l\u01b0\u1ee3ng so v\u1edbi \u00e1p su\u1ea5t \u00e2m, \u0111\u1ea3m b\u1ea3o cung c\u1ea5p s\u1eefa tr\u01a1n tru \u1edf 37\u00b0C \u0111\u1ed3ng th\u1eddi ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng ch\u1ea3y ng\u01b0\u1ee3c trong th\u1eddi gian t\u1ea1m d\u1eebng.<\/p>\n\n\n\n C\u00e1c c\u1ea5u tr\u00fac van kh\u00e1c nhau \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 theo nh\u1eefng c\u00e1ch ri\u00eang bi\u1ec7t. Vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i van ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o l\u01b0u l\u01b0\u1ee3ng mong mu\u1ed1n, l\u1ef1c h\u00fat v\u00e0 y\u00eau c\u1ea7u l\u00e0m s\u1ea1ch.<\/p>\n\n\n\n C\u00e1c lo\u1ea1i van m\u1ecf v\u1ecbt, van c\u1eaft ngang v\u00e0 van d\u00f9 \u0111\u1ec1u c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang bi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh d\u00f2ng ch\u1ea3y v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m k\u00edn.<\/strong><\/p>\n\n\n\n Qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a van\u2014do kh\u1eed tr\u00f9ng nhi\u1ec1u l\u1ea7n\u2014c\u00f3 th\u1ec3 l\u00e0m c\u1ee9ng silicon, l\u00e0m t\u0103ng \u00e1p su\u1ea5t m\u1edf v\u00e0 gi\u1ea3m kh\u1ea3 n\u0103ng l\u00e0m k\u00edn. Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u \u0111\u1ecbnh k\u1ef3 gi\u00fap \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh theo th\u1eddi gian.<\/p>\n\n\n\n Vi\u1ec7c ki\u1ec3m tra ch\u00ednh x\u00e1c gi\u00fap x\u00e1c minh r\u1eb1ng c\u00e1c van ho\u1ea1t \u0111\u1ed9ng an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n C\u00e1c th\u1eed nghi\u1ec7m v\u1ec1 l\u01b0u l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 k\u00edn ti\u00eau chu\u1ea9n m\u00f4 ph\u1ecfng \u00e1p su\u1ea5t \u00e2m, \u0111\u1ed9 nghi\u00eang v\u00e0 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a van.<\/strong><\/p>\n\n\n\n \u0110\u01b0\u1eddng cong l\u00fd t\u01b0\u1edfng th\u1ec3 hi\u1ec7n s\u1ef1 t\u0103ng l\u01b0u l\u01b0\u1ee3ng tuy\u1ebfn t\u00ednh, m\u01b0\u1ee3t m\u00e0 m\u00e0 kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng tr\u1ec5 trong qu\u00e1 tr\u00ecnh m\u1edf v\u00e0 \u0111\u00f3ng.<\/p>\n\n\n\n T\u00ednh nh\u1ea5t qu\u00e1n v\u1ec1 hi\u1ec7u su\u1ea5t d\u00f2ng ch\u1ea3y trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau ch\u1ee9ng minh t\u00ednh kh\u1ea3 d\u1ee5ng v\u00e0 an to\u00e0n trong th\u1ef1c t\u1ebf.<\/p>\n\n\n\n Vi\u1ec7c ti\u1ebfp x\u00fac li\u00ean t\u1ee5c v\u1edbi nhi\u1ec7t, h\u01a1i n\u01b0\u1edbc v\u00e0 ch\u1ea5t t\u1ea9y r\u1eeda s\u1ebd l\u00e0m thay \u0111\u1ed5i c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd c\u1ee7a silicone. Thi\u1ebft k\u1ebf v\u00e0 th\u1eed nghi\u1ec7m \u0111\u00fang c\u00e1ch s\u1ebd \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n trong nhi\u1ec1u th\u00e1ng s\u1eed d\u1ee5ng.<\/p>\n\n\n\n Ti\u1ec7t tr\u00f9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 \u0111\u00e0n h\u1ed3i v\u00e0 \u00e1p su\u1ea5t l\u00e0m k\u00edn c\u1ee7a van silicon.<\/strong><\/p>\n\n\n\n S\u1eed d\u1ee5ng l\u00e2u d\u00e0i m\u00e0 kh\u00f4ng v\u1ec7 sinh \u0111\u00fang c\u00e1ch s\u1ebd d\u1eabn \u0111\u1ebfn s\u1ef1 t\u00edch t\u1ee5 protein v\u00e0 d\u1ea7u tr\u00ean m\u00e9p van, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 k\u00edn v\u00e0 v\u1ec7 sinh c\u1ee7a gio\u0103ng.<\/p>\n\n\n\n C\u00e1c thi\u1ebft k\u1ebf ch\u1ed1ng r\u00f2 r\u1ec9 c\u0169ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn nh\u1ecf n\u00e0o b\u1ecb t\u00e1ch r\u1eddi v\u00e0 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y v\u1eabn n\u1eb1m trong gi\u1edbi h\u1ea1n an to\u00e0n cho kh\u1ea3 n\u0103ng th\u1edf v\u00e0 nu\u1ed1t c\u1ee7a tr\u1ebb s\u01a1 sinh.<\/p>\n\n\n\n C\u00e1c r\u1ee7i ro v\u1ec1 an to\u00e0n \u2014 t\u1eeb nguy c\u01a1 ngh\u1eb9t th\u1edf \u0111\u1ebfn l\u01b0u l\u01b0\u1ee3ng qu\u00e1 m\u1ee9c \u2014 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf van.<\/strong><\/p>\n\n\n\n![\"\"](\"https:\/\/rysilicone.com\/wp-content\/uploads\/2025\/12\/Diagram-illustrating-negative-pressure-zones-and-suction-mechanics-during-infant-feeding.jpg\")
<\/figure>\n\n\n\n\u00c1p l\u1ef1c h\u00fat \u0111i\u1ec3n h\u00ecnh theo \u0111\u1ed9 tu\u1ed5i<\/h3>\n\n\n\n
Nh\u00f3m tu\u1ed5i<\/th> \u00c1p su\u1ea5t \u00e2m \u0111i\u1ec3n h\u00ecnh (mmHg)<\/th> H\u00e0nh vi d\u00f2ng ch\u1ea3y<\/th><\/tr><\/thead> 0\u20133 th\u00e1ng<\/td> -50 \u0111\u1ebfn -100<\/td> H\u00fat nh\u1eb9 nh\u00e0ng, t\u1ea1m d\u1eebng th\u01b0\u1eddng xuy\u00ean.<\/td><\/tr> 4\u20136 th\u00e1ng<\/td> -100 \u0111\u1ebfn -150<\/td> D\u00f2ng ch\u1ea3y v\u1eeba ph\u1ea3i, li\u00ean t\u1ee5c h\u01a1n<\/td><\/tr> 7\u201312 th\u00e1ng<\/td> -150 \u0111\u1ebfn -200<\/td> L\u1ef1c h\u00fat m\u1ea1nh, u\u1ed1ng nhanh h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n So s\u00e1nh c\u00e1c thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac van ch\u1ed1ng r\u00f2 r\u1ec9?<\/h2>\n\n\n\n
![\"\"](\"https:\/\/rysilicone.com\/wp-content\/uploads\/2025\/12\/Comparison-of-Duck-bill-Cross-cut-and-Umbrella-silicone-valve-structures-for-infant-feeding-products.jpg\")
<\/figure>\n\n\n\nSo s\u00e1nh c\u00e1c lo\u1ea1i van<\/h3>\n\n\n\n
Lo\u1ea1i van<\/th> Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/th> \u00c1p su\u1ea5t m\u1edf (mmHg)<\/th> T\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i<\/th> D\u1ec5 d\u00e0ng l\u00e0m s\u1ea1ch<\/th> S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th><\/tr><\/thead> M\u1ecf v\u1ecbt<\/td> Khe n\u1ee9t t\u00e1ch ra d\u01b0\u1edbi \u00e1p l\u1ef1c<\/td> 80\u2013120<\/td> Nhanh<\/td> Trung b\u00ecnh<\/td> Chai, v\u00f2i<\/td><\/tr> C\u1eaft ngang<\/td> M\u1edf ch\u00e9o 4 chi\u1ec1u<\/td> 100\u2013150<\/td> Trung b\u00ecnh<\/td> D\u1ec5<\/td> C\u1ed1c t\u1eadp luy\u1ec7n<\/td><\/tr> Chi\u1ebfc \u00f4<\/td> M\u00e1i v\u00f2m \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean nh\u1edd l\u1ef1c h\u00fat.<\/td> 120\u2013200<\/td> Ch\u1eadm<\/td> T\u1ed5 h\u1ee3p<\/td> H\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 ho\u1eb7c ch\u1ed1ng \u0111\u1ea7y h\u01a1i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u<\/h3>\n\n\n\n
V\u1eadt li\u1ec7u<\/th> \u01afu \u0111i\u1ec3m<\/th> Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/th> \u1ee8ng d\u1ee5ng t\u1ed1t nh\u1ea5t<\/th><\/tr><\/thead> Silicone c\u1ea5p y t\u1ebf<\/td> \u0110\u1ed9 \u0111\u00e0n h\u1ed3i tuy\u1ec7t v\u1eddi, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 kh\u00e1ng h\u00f3a ch\u1ea5t.<\/td> Chi ph\u00ed cao h\u01a1n<\/td> S\u1eed d\u1ee5ng l\u00e2u d\u00e0i, chu k\u1ef3 kh\u1eed tr\u00f9ng<\/td><\/tr> TPE (Ch\u1ea5t \u0111\u00e0n h\u1ed3i nhi\u1ec7t d\u1ebbo)<\/td> D\u1ec5 t\u1ea1o h\u00ecnh h\u01a1n, chi ph\u00ed th\u1ea5p h\u01a1n<\/td> Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao h\u1ea1n ch\u1ebf<\/td> S\u1ea3n ph\u1ea9m d\u00f9ng m\u1ed9t l\u1ea7n ho\u1eb7c s\u1ea3n ph\u1ea9m c\u00f3 chu k\u1ef3 ng\u1eafn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh d\u00f2ng ch\u1ea3y?<\/h2>\n\n\n\n
![\"\"](\"https:\/\/rysilicone.com\/wp-content\/uploads\/2025\/12\/Schematic-of-a-laboratory-setup-for-testing-flow-rate-vs.-negative-pressure-in-leak-proof-valves.jpg\")
<\/figure>\n\n\n\nKi\u1ec3m tra \u0111\u01b0\u1eddng cong l\u01b0u l\u01b0\u1ee3ng<\/h3>\n\n\n\n
\n
Ki\u1ec3m tra \u0111\u1ed9 nghi\u00eang v\u00e0 nhi\u1ec7t \u0111\u1ed9<\/h3>\n\n\n\n
\u0110i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m<\/th> S\u1ef1 mi\u00eau t\u1ea3<\/th> M\u1ee5c ti\u00eau hi\u1ec7u su\u1ea5t<\/th><\/tr><\/thead> G\u00f3c nghi\u00eang (0\u00b0, 45\u00b0, 90\u00b0, 180\u00b0)<\/td> M\u00f4 ph\u1ecfng v\u1ecb tr\u00ed c\u1ee7a chai<\/td> Kh\u00f4ng th\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng nh\u1ecf gi\u1ecdt trong v\u00f2ng 30 gi\u00e2y.<\/td><\/tr> Nhi\u1ec7t \u0111\u1ed9 (Nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, 37\u00b0C, 4\u00b0C)<\/td> Ki\u1ec3m tra \u0111\u1ed9 nh\u1edbt v\u00e0 \u0111\u1ed9 d\u1ebbo<\/td> \u0110\u1ed9 l\u1ec7ch l\u01b0u l\u01b0\u1ee3ng \u226410%<\/td><\/tr> Ki\u1ec3m tra \u0111\u1ed9 rung v\u00e0 \u0111\u1ed9 r\u01a1i<\/td> M\u00f4 ph\u1ecfng t\u00e1c \u0111\u1ed9ng c\u1ee7a v\u1eadn chuy\u1ec3n h\u00e0ng h\u00f3a<\/td> Kh\u00f4ng b\u1ecb r\u00f2 r\u1ec9 ho\u1eb7c van b\u1ecb bung ra.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n T\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c l\u00e0m s\u1ea1ch v\u00e0 kh\u1eed tr\u00f9ng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a van?<\/h2>\n\n\n\n
![\"\"](\"https:\/\/rysilicone.com\/wp-content\/uploads\/2025\/12\/Microscopic-comparison-of-silicone-surface-texture-before-and-after-repeated-heat-sterilization-cycles.jpg\")
<\/figure>\n\n\n\nC\u00e1c t\u00e1c \u0111\u1ed9ng th\u01b0\u1eddng g\u1eb7p v\u00e0 bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3<\/h3>\n\n\n\n
Nh\u00e2n t\u1ed1<\/th> T\u00e1c d\u1ee5ng<\/th> Gi\u1ea3i ph\u00e1p<\/th><\/tr><\/thead> Ti\u1ec7t tr\u00f9ng b\u1eb1ng h\u01a1i n\u01b0\u1edbc (100\u00b0C, 10 ph\u00fat)<\/td> T\u0103ng \u0111\u1ed9 c\u1ee9ng nh\u1eb9<\/td> S\u1eed d\u1ee5ng silicone \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng peroxide c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/td><\/tr> Kh\u1eed tr\u00f9ng b\u1eb1ng tia c\u1ef1c t\u00edm<\/td> Qu\u00e1 tr\u00ecnh oxy h\u00f3a b\u1ec1 m\u1eb7t, l\u00e0m tr\u1eafng<\/td> H\u1ea1n ch\u1ebf ti\u1ebfp x\u00fac ho\u1eb7c th\u00eam ch\u1ea5t \u1ed5n \u0111\u1ecbnh tia UV.<\/td><\/tr> C\u1eb7n ch\u1ea5t t\u1ea9y r\u1eeda<\/td> \u1ee8c ch\u1ebf b\u1ec1 m\u1eb7t ni\u00eam phong<\/td> X\u1ea3 s\u1ea1ch l\u1ea1i sau khi gi\u1eb7t.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Khuy\u1ebfn ngh\u1ecb b\u1ea3o tr\u00ec<\/h3>\n\n\n\n
\n
\u0110\u00e1nh gi\u00e1 r\u1ee7i ro an to\u00e0n khi s\u1eed d\u1ee5ng cho tr\u1ebb s\u01a1 sinh?<\/h2>\n\n\n\n
![\"\"](\"https:\/\/rysilicone.com\/wp-content\/uploads\/2025\/12\/Exploded-view-of-feeding-cup-assembly-highlighting-integral-molding-safety-features-to-prevent-choking-hazards.jpg\")
<\/figure>\n\n\n\nDanh s\u00e1ch ki\u1ec3m tra ki\u1ec3m so\u00e1t r\u1ee7i ro<\/h3>\n\n\n\n
![\"\"](\"https:\/\/rysilicone.com\/wp-content\/uploads\/2025\/12\/Overview-of-major-international-safety-standards-EN-14350-ASTM-F963-FDA-for-infant-feeding-products.jpg\")
<\/figure>\n\n\n\n