Lub tsev cog khoom iav yog hais txog lub tsev cog khoom uas siv iav ua cov khoom siv nruab hnub nrig.Nyob rau hauv txhua yam ntawm cov chaw cog qoob loo, iav tsev cog khoom muaj qhov kev pab cuam ntev tshaj plaws.suitable rau ntau lub cheeb tsam thiab kev nyab xeeb.
Qhov zoo ntawm iav tsev cog khoom:
1.Qhov teeb pom kev loj loj, teeb pom kev zoo.
2. Lub sijhawm ua haujlwm ntev, kev siv zog siab.
3. Muaj zog tiv thaiv corrosion, nplaim retardancy.
4.Ntau tshaj 90% lub teeb transmittance, thiab tsis lwj thaum lub sij hawm.