Brand:BEST Characters: a very good waterproof seal performance Application: Sodium bentonite for waterproofing is made of natural clay , whether or not have pollution in water environment, bentonite have a very good waterproof seal performance, expandable run after the soil water volume is 10-15 times as the original. Bentonite is a very tough material to soften the emulsion and can seal cracks in the soil, our bentonite waterproofing powder will not lose its performance by repeated cycle of hydration and frost heave . |