| Undried damping flake
  Brief introduction:   The product adopts undried damping flake which compound of special rubber, the assistant and substrate without the asphalt, the asbestos and the heavy metal ingredient, non-toxic, tasteless, anti-aging, convenient construction and good damping capatility. It applies in damping for noise reduction of roll-up door, mechanical device and high-pressured pipeline.   
                        
                          | Color appearance  | Perse or black sheet material |  
                          |   | Backing is aluminum foil glass or TPO membrane |  
                          | Temperature resistance(-40~60℃) | No foaming and no  abscission |  
                          | Cold brittleness(-40℃) | No fracture and no  abscission |  
                          | Internal consumpting factor(20℃  2mm) | ≥0.14 |  
                          | Flame retardancy | Fire retardance |  
                          | construction method  |  Cold-Bonding and direct construction |       |