GRASi waterproof powder is a kind of additives which are mixed into concrete or polymer cement products,mainly used for the process of manufacturing cement products or the process of manufacturing waterproof mortar.

The following is a summary of customer consultation:

Q: I am going to add GRASi powder to the production process of the concrete preform, adding volume 1.6% rows of concrete aggregate?

Answer: Sure. It is a very good proportion, under normal circumstances, the water absorption rate can be reduced by 80-90%, after finish the end of cement concrete curing period,will see excellent waterproof effect.