We supply Injection Grouting Chemical , PU Injection Grouting Chemical , Injection Grouting Liquid , Injection Grouting Chemicals , Injection Grouting Waterproofing for Injection Grouting Application . Perma Construction Aids Pvt Ltd introduces SPETEC PU F400 in Indian market. The product is solvent and phthalate free, water reactive, hydrophobic, cell low viscosity, shrink, flexible, one-component polyurethane injection resin designed to shut off water leaks. Applications · Shut off water leaks in concrete brickwork and sewers where movement and settlement may occur. · Water cut-off of water leaks in foundation such as diaphragm walls, piling sheets and secant piles. · Sealing water-carrying cracks and joints in tunnel segments. · Curtain grouting behind tunnel, concrete, brickwork and sewer walls. · Injection of water cut-off membranes and liners in tunnels. Advantages · One component. · Different reaction times are possible by adjusting the percentage of F400 ACC. · The closed-cell structure of cured polyurethane ensures permanent flexible sealing of cracks and joints. · Cured polyurethane is flexible, shrink-free and exhibits good chemical resistance (contact Perma’s Technical Service for chemical resistance). · Cured polyurethane is harmless for the environment and resistant to biological attacks. WQA drinking water certificate.