GRC ni iki?GFRC isa na fiberglass yaciwe (ubwoko bwakoreshejwe mugukora ubwato hamwe nubundi buryo bugoye butatu), nubwo ari intege nke cyane.Ikozwe muguhuza uruvange rwumucanga mwiza, sima, polymer (mubisanzwe polymer acrylic), amazi, ibindi bivangavanze hamwe na alkali-irwanya (AR) gl ...
Soma byinshi