Sigma Group is a global leader in refractory solutions for the glass manufacturing sector, specializing in high-quality materials like Mullite, High Purity Alumina, Zirconium/Mullite and more. Founded in 1990, the company is dedicated to enhancing the efficiency and sustainability of high-temperature industrial processes within the glass industry.
With state-of-the-art facilities in Italy and Bulgaria, Sigma Group features advanced machinery and one of the industry’s most sophisticated laboratories, allowing rigorous control over research, development, and quality assurance.
Their products are engineered to deliver exceptional durability, thermal resistance, and reliability, even in the most demanding glass manufacturing environments. Sigma Group takes pride in offering unparalleled flexibility and swift decision-making, providing customized solutions tailored to each client’s specific needs.
Furthermore, the company is an innovative leader in refractory technology for glass manufacturing, constantly developing new materials to meet evolving industry demands. Their commitment to sustainability is evident through initiatives such as equipping facilities with photovoltaic systems and investing in an electric furnace project set to be operational in 2025, aimed at minimizing environmental impact and enhancing product quality.
Trusted by industry leaders in container glass, tableware, pharmaceutical glass, and perfumery and cosmetics, Sigma Group prides itself on building relationships based on integrity and mutual success.