Ndi chilengedwe wochezeka awiri chigawo polymer kusinthidwa simenti madzi zakuthupi.Mbali imodzi yamadzimadzi ndi ❖ kuyanika madzi wopangidwa kuchokera kunja mkulu polima ndi zina zosiyanasiyana, amene ali mkulu adhesion, kusinthasintha, kukana mildew ndi kuvala kukana;ufawo umapangidwa ndi simenti yapamwamba kwambiri, mchenga wa quartz ndi zinthu zapadera zogwira ntchito , Pambuyo pokumana ndi madzi, mankhwala amadzimadzi amapezeka, amalowa m'kati mwake, ndikupanga kristalo, yomwe imalepheretsa madzi kupita kumbali zonse, komanso. kumalimbitsa dongosolo ndikutalikitsa moyo wake.