silicone or polyurethane can be perfect sealing according to the CAD graphic or graphics in the system, automatic foaming through chemical reactions, surface smooth, beautiful, strong resilience, waterproof, dustproof performance is good, the seal protection grade is high sealing strip, meanwhile can be firmly and artifacts adhesive. The sealing stirp has wide application. the following is the function 1.To prevent the rain (water), dust, the pollution gas leaking. 2.To prevent vibration, noise, heat into indoor 3.Prevent the erosion of corrosive medium product components Application of silicone or polyurethane: Is mainly used for cabinets, distribution cabinets, explosion proof shell, low ark, automobiles, home appliances, lamps and lanterns, filters, etc. various sealing need products and parts.