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Cross-linking made simple

The Ultra line from Covestro is a breakthrough collection of advanced, high-performance crosslinkers formulated to maintain a residual monomer content below 0.1%. Building upon proven formulations, this range maintains exceptional quality and durability, while helping to advance industrial hygiene standards.
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Our Ultra line commitment to improved industrial hygiene

Our Ultra line crosslinkers for polyurethane coatings and adhesives represent our ongoing commitment to product excellence and leadership in industrial hygiene. With a residual monomer content below 0.1%, Ultra line products support workplace safety. Under current EU REACH Regulation (Entry 74 of Annex XVII), products with a monomeric diisocyanate content below 0.1% are subject to different regulatory requirements, thereby simplifying certain compliance procedures for manufacturers.

Seamless integration

Ultra line products offer full technical equivalence to established formulations while delivering improved safety. Manufacturers can easily implement these improvements without requiring new customer approvals or additional qualification processes.

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Our Ultra line crosslinkers demonstrate that enhanced workplace safety and proven performance aren't mutually exclusive. This innovation allows manufacturers to upgrade their safety profile without compromising on technical excellence.

Dr. Robert Maleika

Head of Technical Product Management Crosslinkers Covestro

Regulatory compliance

Under REACH restriction Annex XVII, entry 74, it is mandatory for safety training to be completed before first use of polyisocyanate products containing free diisocyanates at concentrations of 0.1% or higher.

While our Ultra line products reduce diisocyanate exposure, appropriate workplace conditions and worker awareness of spray-specific hazards remain essential safety requirements.

Key benefits

  • Enhanced industrial hygiene: Residual monomer content below 0.1%
  • Future-proof: Developed to address current EU regulations on diisocyanates as well as the EU‘s new Occupational Exposure Limits (OELs) for diisocyanates coming into effect in 2029.
  • Proven performance: Technical equivalence to established formulations
  • Drop-in solution: Easily replaces established formulations without additional admin or approvals

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