Nanjing Union Silicon Chemical Co., Ltd. is one of the leading producers and exporters of organosilanes, antifoams and defoamers in China, especially in organosilanes, which are often used as silane coupling agents?crosslinking agents, adhesion promoter, surface modifiers, moisture scavenger, hydrophobing agents and dispersing agents in the field of fiberglass and composites, mineral and filler treatment, adhesives and sealants, plastics, polymerization and rubber, paints, inks and coatings, automobile tires ,water repellents and surface protection.service at usichemical dot com