CarboPur WT, component A is a mixture of various polyols and additives, and CarboPur, component B is a polyisocyanate.
After mixing, the resin thickens immediately to a paste-like consistency. The mixed resin penetrates the structure to be sealed. The major part of water in there is displaced due to the hydrophoby and the viscosity of the resin. Traces of water make the resin foam.