kev tso tawm khoom tshiab
Tus Neeg Tshuaj Nkag Mus Rau Hauv yog ib yam tshuaj nkag mus rau hauv daim ntaub zoo heev uas muaj zog nkag mus rau hauv thiab tuaj yeem txo qhov nro ntawm qhov chaw. Nws siv dav hauv tawv, paj rwb, ntaub linen, viscose thiab cov khoom sib xyaw. Cov ntaub uas tau kho lawm tuaj yeem ua kom dawb thiab zas xim ncaj qha yam tsis tas txhuam. Tus neeg tshuaj nkag mus rau hauv tsis kam rau cov kua qaub muaj zog, alkali muaj zog, ntsev hlau hnyav thiab tus neeg txo qis. Nws nkag mus sai thiab sib npaug, thiab muaj cov yam ntxwv zoo rau kev ntub, emulsifying thiab ua npuas dej.
Qhov zoo tshaj plaws yog thaum qhov kub thiab txias qis dua 40 degrees, thiab tus nqi pH ntawm 5 thiab 10.
Yuav tsum tau kho qhov koob tshuaj raws li qhov kev sim lub thawv kom ua tiav qhov txiaj ntsig zoo tshaj plaws.
Lub sijhawm tshaj tawm: Lub Yim Hli-04-2023