Organosilicone resins are the lesser known of the three main silicone products, which include silicone rubber and silicone fluids. Organosilicone resins are complex, highly branched oligosiloxanes that are produced by exposing various silicone precursors to a hydrolytic condensation process. The end products are supplied in the form of sheet resins and solvent-based or solvent-free liquids. Organosilicone resins are extremely versatile and safe products with multiple uses in a wide range of industries as adhesives, sealants, insulators or weatherproofing additives. Silicone resins offer excellent electrical insulation, ultraviolet (UV) protection, water resistance and heat resistance.

Silicones are most often associated with silicone fluids and rubber products that are commonly used as sealants and mold release agents. However, silicone resins are probably the most useful of the silicone family of products and can be used in many industrial and household applications. Silicone resins are all formulated on the basis of silicone compositions that exhibit excellent adhesion, heat, UV and barrier properties. These resins are available as solvent-based or solvent-free liquids or as dry flakes.

When used and stored correctly, silicone resins are a safe product. Even under extreme overheating conditions, the resins will not burn, discolor, or release harmful fumes. However, these resins do require the use of catalysts and care needs to be taken when mixing the product. Some products are also flammable before curing; raw materials should be kept away from fire, direct sunlight and chemical sources.