Cov Khoom Siv:

Cov khoom siv tseem ceeb ntawm cov khoom siv accelerator NOBS yog siv los ua cov tshuaj reagent thiab cov kuab tshuaj rau cov resin, wax, shellac, thiab lwm yam. Nws yog siv los tsim cov sodium sulfate, dej iav thiab ultramarine, thiab lwm yam. Nws kuj tseem siv rau hauv kev tsim cov iav, ua ntawv, tshuaj ntxuav tes, xab npum, zas xim, cov fiber hluavtaws, tawv, tshuaj thiab ceramics. Cov tshuaj reagent, xws li kev txiav txim siab nitrogen, tus neeg sawv cev dehydrating.