CHINA OVERSEAS SCIENCE & TRADE CO.,LTD is one company located in Beijing. We provide and export kinds of products for construction, as following:
#CFRD-FILLER: According to the research result of CFRD, it can be used for CFRD up to 250m high.
#SBS ModIFIED ASPHALT POLYMER
#CEMENT AID GRINDING
#PC-6A  POLYCARBOXYLIC HIGH EFFICIENCY RETARDING WATER-REDUCING ADMIXTURE. The initial and ultimate strength is high and the concrete which must fast mixing logistics during large projiect.
#UNF-5A NAPHTHALENE HIGHLY EFFECTIVE RETARDER WATER-REDUCING ADMIXTURE.
#COST-1266 HIGH ELASTIC CRACK SEALING PASTE, which is for cement concrete road ,bridge surface road and airport runway. High rubber recovery to follwo cyclic movement, and good resistance to sands. Good flexibility in low temperature and stability in high temperature.
#Cost-1260 POLYWETHANE FOAM, which is used for sealing the gap: door frame, window frame, roof of the house, external wall joint, binding of purdah jointing, holes and crack in sealant, filling of gap. Felt: ceilings, decorative panels, door felting. Seal: the pipe periphery and the insulation protection of wiring joint. F etc....
#COST-7A BrIGHTENER & SMOOTHNESS CONCRETE ADMIXTURE
#COST-1110 NETURAL SILICONE WEATHER-PROOFING SEALANT
#COST-1138 SILICONE WEATHER-PROOFING SEALANT
#COST-2118 SILICONE SEALANT FOR HOWLLOW GLASS (RTV-2)