... , drinking water, industrial circulating-cooling water2. Sterilization: Disinfecting in hospital, family, hotel,public place, pharmaceuticals, breeding industry3. ... synthetic industry,Textile industry4. Others: In doing shrink-proofing agents in wool finishing and paper mothproofing agent etc ... AppearancePowder,granular(8-30mesh ,20-40mesh,20-60mesh) or tablet with irritant odor(1g, 5g, 10g, 15g, 20g ...