Siv ua tus neeg sawv cev sai, roj nplua nyeem thiab tus neeg sawv cev thaum ntxov rau cov cement. Nws yog siv rau hauv kev tsim cov mortar thiab ntau yam concretes kom ua kom ceev ceev ntawm cov cement thiab luv lub sijhawm teeb tsa, tshwj xeeb tshaj yog nyob rau hauv kev tsim kho lub caij ntuj no kom tsis txhob muaj qhov ceev teeb tsa qeeb dhau ntawm qhov kub qis. Demolding sai, yog li cov cement tuaj yeem siv tau sai li sai tau. Calcium formate siv: txhua yam ntawm cov mortar qhuav-sib xyaw, txhua yam ntawm cov cement, cov ntaub ntawv hnav-resistant, kev lag luam hauv pem teb, kev lag luam pub, tanning. Calcium formate kev koom tes thiab kev ceev faj Tus nqi ntawm calcium formate ib tuj ntawm cov mortar qhuav thiab concrete yog li 0.5 ~ 1.0%, thiab qhov ntau tshaj plaws yog 2.5%. Tus nqi ntawm calcium formate maj mam nce raws li qhov kub txo qis. Txawm tias tus nqi ntawm 0.3-0.5% yog siv rau lub caij ntuj sov, nws yuav muaj qhov cuam tshuam thaum ntxov pom tseeb.