Expanded polyurethane Sealant ST400

ST400 Expanded Sealant Products Description ST400 Expanded Sealant is one part, no solvent. It expands with water and have good filling performance and strong adhension. It also has good chemical medium resistance. Technical Data ST-400 AppearanceGray,White pasteDensity1.40kgLTack free time≤12hTensile Strength≥2.0MPaSaggingNo sagging Solid content≥95.0Hardness,Shore A40-50Flow at high temperatureNo flowing 80×5hLow temperature test No brittle fracture--20×2hVolume expansibility≥400 Where to use Seal for structure jionts and seepage of the pipe. Seal for jionts of precast parts. Seal for jionts of the H steel. Seal for bolt and precast hole. Seal and watre proofing for the underground tunnel. Application 1Clean up all the dusts and oil before applicaton. 2Put the sealant into the glue gun. Cut the nozzle according to the size of the jionts. 3Press the sealant into the jionts. 4Aviod touching with water before curing. Package :400ml or 600ml/pc or other package according to customers requests. Shelf life: <25 in dry place, 9 months. Attention 1 Avoid application in rainy or miost place. 2 Application 24h before mixing when in the casting place. 3 Be careful when mixing the concrete, or ift will reduce the sealant performance.