Dab tsi yog Qhov Sib Txawv Ntawm Cov Khoom Siv Dej Tsis Txaus Thiab Cov Txheej Txheem Txhuas Txhuas Dej? Lawv siv qhov twg?

Rigid waterproof cov ntaub ntawv xa mus rau cov ntaub ntawv sib xyaw nrog cov cement mortar los yog pob zeb los npaj cov dej khib nyiab los yog cov pob zeb tsis muaj dej hauv ib qho kev faib ua feem. Rigid waterproof cov ntaub ntawv yog ib qho yooj yim rau tawg thiab seep vim kub sib txawv hom; Cov ntaub ntawv hloov tau yooj yim yog feem ntau asphalt, linoleum thiab lwm yam khoom siv organic. Coil waterproof txheej yog ib hom waterproof txheej tsim los ntawm cov ntaub uas ua los ntawm fiber ntau fabrics xws li xav, iav ntaub, thiab lwm yam., thiab ntau yam ntawm cov ntaub ntawv cement, xws li asphalt, yog siv los khi lub coil rau screed txheej ntawm lub ru tsev. pawg thawj coj saib. Pem teb. Cov khoom siv tsis muaj dej tsis muaj zog muaj lub zog tensile siab, loj elongation, lub teeb yuag, thiab kev tsim kho yooj yim, tab sis yuav tsum tau siv cov cuab yeej siv nruj, kev sib tsoo thiab kev laus tsis zoo li cov ntaub ntawv nruj, yooj yim rau hnub nyoog, thiab lub neej luv. Qinglong muaj ob qho tib si cov ntaub ntawv tsis muaj dej tsis zoo thiab cov khoom siv dej tsis haum.