... insulating)- (5+6+5,5+9+5), /triple glazing,LOW-E glass,insulating glass, tempered glass,obscure/frosted glass.Glass thickness ... glass as decoration. 7.Sealing system:rubber sealing strip-EPDM, black color, good quality.8.Frame material:Aluminum or PVC,60 ... glass,Tempered glass,Laminated glass,Tinted glass,Coated glass,Low-e glass,Insulating glass,Reflective glass,Fireproof glass,Bulletproof glass,etc ...