merz+benteli
Swiss manufacturer of sealants and adhesives based on silane-modified polymers.
Last updated September 1, 2026
Overview
merz+benteli ag is a Swiss company that develops, produces and sells high-quality sealants and adhesives based on silane-modified polymers. The company offers products for construction and industrial applications, including fire protection sealants. It also provides private label products under the brands Gomastit, Merbenit, and Cementit.
History
The company was founded in 1918 by chemists Walter Merz and Dr. Albert Benteli, who initially developed an adhesive for applying luminous material to watch hands and dials. In 1930, the company launched Cementit, a waterproof synthetic universal adhesive, which quickly became a synonym for the brand.
Products and positioning
Gomastit FireSeal MS 90
Fire protection sealant tested according to EN 1366-4 and classified according to EN 13501-2, achieving fire resistance up to 120 minutes.
Cementit
Waterproof synthetic universal adhesive launched in 1930.
Flagship businesses
- Gomastit FireSeal MS 90
- Cementit
Sources
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