... years' after service 4. ISO9001:2008/SGCC/CCC Insulating glass are hermetically sealed combinations of two or more panes ... through the unit. The more air sandwiched between the glass,the better insulator effect you have.Name Insulated glassMax ... ,9mm,12mm,14mm,16mm~19mmQuality StandardISO9001:2008/SGCC/CCC/CEColorClear, white, blue, grey, green, etc.CNC CuttingShaped, rectangularEdgingFlat edge, ...