Kodi lamba wamakutu wa chigoba amapangidwa ndi zinthu ziti?

Chingwe cha khutu cha chigoba chimakhudza mwachindunji chitonthozo cha kuvala. Ndiye, lamba wamakutu a chigoba amapangidwa ndi zinthu ziti? Nthawi zambiri, zingwe zamakutu zimapangidwa ndi spandex+nylon ndi spandex+polyester. Zomangira m'khutu za masks akuluakulu nthawi zambiri zimakhala ma sentimita 17, pomwe zomangira m'khutu za masks a ana nthawi zambiri zimakhala ma sentimita 15.

Zomangira khutu

spandex

Spandex ili ndi kuthanuka kwabwino kwambiri, kulimba koipitsitsa, kusayamwa bwino kwa chinyezi, komanso kukana kuwala, asidi, alkali, ndi kuvala. Spandex ndi ulusi wapamwamba kwambiri wofunikira pansalu zogwira ntchito kwambiri zomwe zimatsata mphamvu komanso kuphweka. Spandex imatha kutambasula nthawi 5-7 kuposa momwe idayambira, ndikupangitsa kuti ikhale yomasuka kuvala, yofewa mpaka kukhudza, komanso makwinya opanda makwinya, kusunga mizere yake yoyambirira nthawi zonse.

nayiloni

Imakhala ndi kukana kwamphamvu kovala, kuyamwa kwa chinyezi, komanso kukhazikika, ndipo imakonda kupindika pansi pa mphamvu zazing'ono zakunja, koma kutentha kwake ndi kukana kwake kumakhala kocheperako.

silika gel osakaniza

Kutanuka kwa zinthu za silikoni ndizokulirapo kuposa za nsalu za thonje. Ndikwachilengedwe kuyika zingwe zamakutu za silicone kumanzere ndi kumanja kwa chigoba, chomwe chingagwiritse ntchito kulimba kwa silicone kuti agwirizane mwamphamvu ndi chigobacho ndikuchipangitsa kuti chigwirizane kwambiri ndi mphuno ndi pakamwa. Mphamvu ya clamping ikawonjezeka, zikuwonetsa kuti chitetezo chimakhala chokhazikika chifukwa cholimbacho chimatha kusiyanitsa bwino mabakiteriya ndi zonyansa kulowa m'njira yopuma kudzera m'mipata. Izi ndi zina mwazabwino zogwiritsa ntchito kulimba kwa silicone.

Kachiwiri, pali chitetezo chazingwe zamakutu za silikoni. Silicone ndi mankhwala omwe amagwiritsidwa ntchito kwambiri pachitetezo cha chitetezo, chomwe chimatha kudutsa ma certification angapo oyesa kuphatikiza FDA, LFGB, biocompatibility, etc. Kuphatikiza apo, silicone imatha kukhala ndi zotsatira zosiyanasiyana monga kuletsa kukula kwa mabakiteriya. Zingwe zamakutu za chigoba zachikhalidwe zidzakulunga mabakiteriya ambiri ndi zonyansa zina, koma mutagwiritsa ntchito silicone, izi sizidzachitika. Mwanjira iyi, magwiridwe antchito achitetezo a kulumikizana ndi anthu okhala ndi zingwe za m'makutu za chigoba amakhala bwino. Poyerekeza ndi zinthu zina, zingwe zamakutu za silikoni zimakhala ndi chitetezo chokwanira.

Mask ear strap tension standard

YY 0469-2011 Medical Surgical Mask Standard imati mphamvu yoduka pamalo olumikizirana pakati pa chigoba chilichonse ndi thupi la chigoba sayenera kuchepera 10N.

Muyezo wa YY/T 0969-2013 wamasks azachipatala otayidwa umanena kuti mphamvu yosweka pamalo olumikizirana pakati pa chigoba chilichonse ndi thupi la chigoba sayenera kuchepera 10N.

Muyezo wa GB T 32610-2016 wa masks oteteza tsiku ndi tsiku umanena kuti mphamvu yosweka pamalo olumikizirana pakati pa chigoba chilichonse ndi thupi la chigoba sayenera kuchepera 20N.

GB T 32610-2016 Specification yaukadaulo ya Daily Protective Masks imatchula njira yoyesera kuthyoka kwa zingwe zomangira ndi kulumikizana pakati pa zomangira chigoba ndi matupi a chigoba.

Miyezo ya chigoba chamankhwala ndi thanzi

Pakali pano pali miyezo iwiri ya masks oteteza kuchipatala. YY0469-2011 "Masks Opangira Opaleshoni" ndi GB19083-2010 "Zofunikira Zaukadaulo Pa Masks Oteteza Zachipatala"

Kuyesa kwa masks azachipatala kumaphatikizapo miyeso itatu yapadziko lonse: YY/T 0969-2013 "Masks Otayidwa Achipatala", YY 0469-2011 "Masks Opangira Opaleshoni", ndi GB 19083-2010 "Zofunika Zaukadaulo Pa Masks Oteteza Zachipatala".

YY 0469-2011 "Technical Requirements for Medical Surgical Masks" idaperekedwa ndi National Medical Products Administration ngati mulingo wamakampani opanga mankhwala ndipo idakhazikitsidwa pa Januware 1, 2005. Mulingo uwu umatchula zofunikira zaukadaulo, njira zoyesera, zolemba, malangizo ogwiritsira ntchito, kulongedza, mayendedwe, ndi kusunga masks opangira opaleshoni. Muyezo uwu ukunena kuti kusefera kwa mabakiteriya kwa masks sikuyenera kuchepera 95%.

Dongguan Liansheng Non Woven Technology Co., Ltd.idakhazikitsidwa mu Meyi 2020. Ndi bizinesi yayikulu yopanda nsalu yopanga nsalu kuphatikiza kafukufuku ndi chitukuko, kupanga, ndi malonda. Itha kupanga mitundu yosiyanasiyana ya nsalu za PP spunbond zosalukidwa ndi m'lifupi mwake osakwana 3.2 metres kuchokera ku 9 magalamu mpaka 300 magalamu.