Tus neeg sawv cev txo dej
Jun 30, 2019
Tus neeg sawv cev txo cov dej yog cov pob zeb ua pob zeb ua kom zoo dua uas ua rau txo cov dej siv rau kev sib tov thaum tswj hwm qhov dej tsis ruaj. Feem ntau ntawm lawv zwm rau anionic surfactants, xws li lignosulfonate thiab naphthalenesulfonate formaldehyde polymers. Tom qab ntxiv cov pob zeb sib xyaw ua ke, nws muaj kev cuam tshuam ntawm cov pob zeb sib xyaw, uas tuaj yeem txhim kho nws qhov ua tau zoo, txo qhov kev haus dej ntawm cov khoom noj, txhim kho cov npliag ntawm cov pob zeb sib tov, lossis txo qhov uas siv cov pob zeb ua kom txuag cov cement.
