Henkel Launched Teroson MS 940 Adhesive for Rail
The new sealant enables elastic bonding of rolling stock components while eliminating isocyanates from the assembly.
Updated on Sept. 24, 2026 in Materials Science
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Henkel Adhesive Technologies has launched Teroson MS 940, an adhesive and sealant designed specifically for bonding windows, doors, and exterior panels on trains. The product is available now for rail manufacturers seeking to remove isocyanates from their production workflows.
Why it matters
The rail industry faces increasing pressure to phase out isocyanates in manufacturing due to health and safety standards. This launch provides an alternative that maintains the required high tensile strength and elasticity needed for dynamic train environments.
Teroson MS 940 is formulated with a new polymer package designed to replace isocyanates while delivering the high tensile strength and elongation required for dynamic loads in rail applications.
The players
Henkel Adhesive Technologies
A global leader in the adhesives, sealants, and functional coatings market that supplies chemical formulations to the automotive, electronics, and rail industries.
The details
The sealant relies on a modified chemistry that avoids isocyanates—a class of highly reactive chemicals used in polyurethane production—while retaining the necessary mechanical performance for bonding windows, doors, and panels. It is engineered to withstand long-term exposure to UV radiation, weathering, and harsh industrial cleaning agents typically used on rolling stock.
Timeline
September 24, 2026: Henkel launched Teroson MS 940 at InnoTrans.
The Tech Race
This launch aligns with a broader industry effort to eliminate hazardous isocyanates from manufacturing environments. It competes against established polyurethane-based adhesives by providing a safer chemical profile without sacrificing the mechanical durability required for high-speed rail.
Rail manufacturers can integrate Teroson MS 940 into existing production workflows for exterior and interior components immediately. The move allows assembly teams to work with a product that resists environmental degradation from cleaning agents and UV radiation without the safety risks posed by isocyanates.
The takeaway
The move toward isocyanate-free assembly is a critical milestone for safety in the rail manufacturing sector. Industry participants should monitor the adoption of this polymer chemistry across other transport segments that rely on high-dynamic-load bonding.
Further reading
For more on evolving industrial chemistry, see our Materials Science archives.
Source note: This article includes information reported by Railway Gazette International.
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