HDI trimer is an aliphatic polyisocyanate, colorless or slightly yellow transparent liquid at room temperature. The products of HDI trimer perform excellent weathering & yellowing resistance, chemical resistance, outstanding gloss and color retention, thermal stability and good mechanical properties, etc.
Mainly used as crosslinking agent for coating and adhesive. It is widely used in the area of aircraft, automotive, construction, home livings, shoe industry, etc.