SILRES® BS POWDER G
SILRES® BS POWDER G is a water repellent in powder form for gypsum and construction material mixes containing gypsum. It must be thoroughly mixed with the gypsum before water is added. Good water repellency is obtained by adding 0.5 to 2.0% by weight powder, based on the dry weight of the gypsum. The exact amount depends on the type of gypsum and quantity of mixing water.