... is high strength, low abrasion, no soften in water, no expansion, no powdery, no crack. ... treatment for H2O2, also in the absorbing pollution material, such as H2S, SO2, HF and paraffin in the water gas, especially in the drinking water ... defluorination. Physical Properties KA401 KA402KA403KA404KA405AppearanceWhite, Sphere, No Odor, Insoluble In Water ...