Kev ua tau zoo ntawm cov cement boards yuav tsum ua raws li cov qauv hauv tebchaws xws li "Waterproof Building Materials" (GB/T 23457-2017). Cov ntsuas tseem ceeb suav nrog tus nqi nqus dej (feem ntau Tsawg dua lossis sib npaug li 5%), lub zog flexural (Ntau dua lossis sib npaug rau 10MPa), thiab khov-thaw tsis kam (tsis tawg tom qab 50 cycles). Thaum xaiv tus qauv, qhov ntsuas yuav tsum tau txiav txim siab raws li qhov tshwj xeeb scenario:
Tus nqi nqus dej: Rau qhov chaw ntub dej (xws li chav dej), nws raug nquahu kom xaiv cov khoom uas muaj qhov nqus dej tsawg dua lossis sib npaug li 3% txhawm rau txo qhov kev pheej hmoo ntawm kev nthuav dav thiab deformation thaum lub sij hawm ntev - siv.
Thickness: Lub thickness ntawm cov laug cam rau phab ntsa yog feem ntau 6-12 hli, thaum cov laug cam rau hauv pem teb yuav tsum thicker (12-20mm) los tiv thaiv loads.
Kev Kho Ntog: Cov npoo du yog yooj yim dua los ntxuav, thaum cov npoo ntxhib tuaj yeem txhim kho adhesion rau cov txheej tsis muaj dej.