This is polyurethane reactive product in nano-scale. After injecting to cracks of RC construction as liquid type, it is foaming because of  reaction with moisture of cracks. It bonds to cements tightly while it is foaming, which differs from epoxy resins ( foaming first, filling later) on the market.

Property:

Filling property：it has good penetration, density, and levelling property,  resulting good adhesion to fill cracks.

Weather resistance：It may extend building lifetime after foaming.

Water resistance

Easy application：After  injecting this product, it will react with mositure of the crack and expand to fill the crack.。

Environmental protection：heanvy metals free, toixc free, and formaldehyde free.。