... sealing sealants. Advantage 1. Heat insulation performance of insulating glass is the most ideal among all processed glass ... value can be effectively reduced by insulating glass.2. Insulating glass is ideal sound insulating material. Normal IGU can reduce ... cooperation,Mutually benificial, Joint development Management Certification BS6206,ANSI Z97.1-2004,ROSH,CCC,CE,EN,ISO9001 Insulating Glass