Key Features (from the manufacturer)
ArmGrout Inject PU1 is ready to use highly reactive, one component polyurethane based modified isocyanate injection resin.Advantages:• ArmGrout Inject PU1 foams by high increase in volume in
contact with water and becomes a viscoelastic firm foam,
which seals temporarily against further water penetration.
• It is resistant against acids and lyes. In case of very dry
surfaces the material does not foam immediately but it