Calcium yas thawv yog lub thawv ntim khoom ua los ntawm calcium yas, feem ntau siv rau ntim khoom noj thiab khoom siv txhua hnub. Cov khoom tseem ceeb ntawm calcium yas lub thawv yog polyvinyl cawv (PVA), uas yog cov khoom siv polymer nrog cov dej solubility zoo heev thiab tsim tau.
Calcium yas thawv yog dav siv nyob rau hauv cov zaub mov ntim, ntim tshuaj, tshuaj ntim khoom, thiab lwm yam kev lag luam vim lawv lub teeb yuag, corrosion kuj, siab zog, tsis muaj tshuaj lom, tsis muaj ntxhiab, thiab yooj yim ua cov yam ntxwv.
Nws yuav tsum tau muab sau tseg tias calcium yas thawv muaj tsis zoo tshav kub tsis kam thiab yog nquag deformation thiab tawg ntawm kub kub. Yog li ntawd, nws yog ib qho tseem ceeb kom tsis txhob muaj cua sov thaum siv. Tsis tas li ntawd, vim yog lub ntsej muag du ntawm lub thawv yas calcium, nws yooj yim khaws cov kab mob thiab cov av, yog li kev tu thiab tshuaj tua kab mob yuav tsum tau ua kom nws huv si thiab nyab xeeb.