Nanjing Union Silicon Chemical Co., Ltd. is a leading producer and exporter of organofunctional silanes, antifoams and defoamers in China. USI organofunctional silanes are a kind of multifunctional 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 which organosilanes, antifoams and defoamers have grown up to an industrialized market in China.

As one of the leading manufacturers of silane coupling agents in China, ISO9001 certified,our factory in North China have about 30 years old and we can offer you not only with best prices and high quality but with good services.Our new sales department Nanjing Union Silicon Chemical Company are in Nanjing which near Shanghai. Our silane coupling agents include amino silanes, epoxy silanes, vinyl silanes, mercapto silanes, methacry silane, octyl silanes etc. Our organofuctional silanes can be widely used in paints&coatings, resins, cables, glassfibers, abrasives, adhesives etc.