Nanjing Union Silicon Chemical Co., Ltd. is a leading producer and exporter of organosilanes, antifoams and defoamers in China, especially in organosilanes. USI organofunctional silanes are a kind of multi-functional silanes which are typically 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. Silicone defoamers are also versatile products used in a wide range of industries, such as sewage treatment, pulp & paper, paints, inks and coatings and so on. Our team has been in these businesses for more than 10 years, during whichorganosilanes, antifoams and defoamers have grown up to an industrialized market in China.