... floated,Low-E glass etc. 2) Thickness: single/double/triple 4mm,5mm,6mm,19mm(5mm+9A+5mm),31mm(5mm+ ... . M5) Water tightness: 700 PaProduct features1) Air proof,Water proof,Sound insulation,corrosion-resistant2) Environmentally friendly, Energy Efficiency,Thermal ... to prevent support or enhancement of accidental fires.&Quality ControlThe extrusion process is quality control and the appropriate ...