Glazing glass is a combination of two or more pieces of glass spaced apart with a spacer bar and hermetically sealed with a primary and secondary sealant to form a single unit with one or more air spaces between each other. Max size :3300*12000mm Main character : Energy saving , improving the thermal performance Sound insulated Security and comfort   Component : 1.Ã? Glass items:Ã? consists of hard or soft low E glass ,reflective glass ,clear glass ,tinted glass, with types of flat tempered ,bent ,laminated processing ,according to the application 2.Ã? Spacer bar :is the material used to separate the two glass lites in an IGU. It can be made by aluminum,stainless steel,hybrid ,plastic material . The spacer width usually from 6mm-18mm.