1. Ntxiv methylcellulose rau cov cement tuaj yeem muaj kev cuam tshuam loj rau nws cov khoom siv kho tshuab. Methylcellulose yog ib qho cellulose derivative uas feem ntau siv los ua cov thickener, stabilizer, thiab dej-retaining tus neeg sawv cev hauv ntau yam lag luam, suav nrog kev tsim kho. Thaum ntxiv rau cov cementitious sib tov, methylc ...
Nyeem ntxiv