Risun Polymer Co., Ltd is the first company designing and manufacturing silane terminated polyether(STP) polymers in China with technology from western company.The customers we target are the sealant, adhesive and surface coating manufacturers who wish to replace the polyurethane and silicone products with the safer and in many cases easier to make silane crosslinked products.The elimination of free NCO, residual TDI and MDI monomer is essential to protect ourselves and the environment from hazardous chemicals. Our technical Group have many years of experience and professional research in STP resin, we can provide technical support and furmula suggestions to help our cilents with unique sealants and adhesives.Following are some advantages of sealants, adhesive and surface coating made by STP Polymer.Excellent adhesion to glass, cement, metal, wood, porous and nonporous substances and primerlessLow viscosity and easy processingNo isocyanates or solventsSafe catalystBubble free curing at normal temperature & humidityHigh colour stability and paint ability, no yellowingExcellent UV resistance and pollution resistanceCuring speed can be adjuste