Classification ntawm polyurethane sealants

Polyurethane sealants feem ntau muab faib ua ob hom yooj yim: ib qho - khoom thiab ob - khoom. Ib qho - cov khoom sib khi yog cov dej noo- kho, thaum ob - cov khoom sib khi yog cov tshuaj tiv thaiv- kho. Ib leeg- cov khoom sealants yog ib qho yooj yim mus thov tab sis kho tau qeeb dua; ob- cov khoom sealants kho sai thiab muaj kev ua tau zoo dua, tab sis yuav tsum tau sib tov ua ntej siv, ua rau cov txheej txheem nyuaj dua. Ob leeg muaj lawv lub zeem muag yav tom ntej.

Raws li lawv cov flowability, polyurethane sealants tuaj yeem muab faib ntxiv rau hauv cov uas tsis yog -sagging thiab self-leveling hom. Tsis yog -sagging sealants yog siv rau ntawm qhov chaw ntsug, qhov chaw inclined, qab nthab, thiab lwm yam, thiab yuav tsis hloov, swb, lossis ntws vim lawv qhov hnyav ua ntej kho; thaum tus kheej -leveling sealants tshwj xeeb yog siv rau kev siv kab rov tav. Raws li lawv cov ntawv tshaj tawm-cov khoom siv, lawv tuaj yeem raug cais raws li tsis yog- ziab, ib nrab- ziab, thiab kho tag nrho hom elastomer.