Silway 732 high hydrogen silicone oil water repellent, is a non-toxic and orderless. Could widely apply on powders, glass, ceramic, leather, paper, metal, cement and marble. Silway 732 water repellent can be converted into film and produce a resilient waterproof coating on various substrates by catalyst at low temperature. Therefore, Silway 732 water repellent has the outstanding property which prevents moisture, mildew and rust. Besides, Silway 732 water repellent has a high permeability to water vapor, could allow material breathable. Key Features: * Reduces water absorption into the substrate, thus reducing spalling due to freeze-thaw and efflorescence, thereby increasing the life of the substrate * Non-toxic * Produces a durable film after curing * Curing time and curing temperature can be adjusted * Effective concentration as low as 0.2%