Tsis siv neeg hydraulic compress lim phaj, phau ntawv tawm ncuav mog qab zib.
Cov phaj thiab thav duab yog ua los ntawm cov khoom siv ntxiv polypropylene, acid thiab alkali tsis kam.
PP phaj thiab thav duab lim xovxwm yog siv rau cov ntaub ntawv uas muaj viscosity siab, thiab cov ntaub lim dej feem ntau ntxuav los yog hloov.
Nws tuaj yeem siv nrog cov ntawv lim kom pom tseeb dua.