PENTA-91 LLC is one of Russia's leading companies in the development, production, and implementation of organosilicon (silicone) and other chemical products, including modern, highly effective silicone casting compounds, sealants, and gels—all proprietary products. This wide product line addresses any protection and sealing needs in electronics and electrical engineering. PENTA-91 offers its customers technical support for existing silicone products, as well as the development of new silicone products to meet their highest requirements.