It is a highly active cross-linking agent, used in the adhesives made by hydroxyl polyurethane, natural or synthetic rubber. It has excellent bonding strength in rubber and can be used also resin, antioxidant, plasticizing agent, pressure sensitive adhesive etc. It can be used as crosslinker instead of Bayer's Desmodur RE. The Hardener is packaged in an aluminum bottle with the main ingredients being 27% triphenylmethane-4, 4”4”- triisocyanate and 73% ethyl acetate. The different kinds of hardener are also available.

chemsupply

Hardener