CLEAN TECH IPU : Low viscous polyurethane injection system       —CLEAN TECH IPU is a two component , solvent free , low viscosity polyurethane injection resin system which has excellent adhesive properties. CLEAN TECH IPU reacts to form a dense foam which effectively seals the voids.   —Usage: CLEAN  TECH IPU is used to fill and seal cavities in structures such as beams, columns, foundations, water retaining structures etc.  It can be used in dry /damp and standing water condition . Dosage : Mixing - Mixing Ratio:   ( A  : B ) : 2:1 (by weight)