... PU foamDescriptionPU foam is a kind of one-component, multi-purpose polyurethane foams, which is solidified by the ... opening, engineering hole ande various cracksCharacteristic1. Thermal insulation, heat insulation2. Acoustic insulation, gas insulation, water-proof3.Anti- ... 600g, 500, 300g Breif Introduction of our company:Evergain Chemical is one of the largest adhesive manufacturers in China. ...