Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Mitsui D-268T TDI Trimer Curing Agent

Mitsui D-268T TDI Trimer Curing Agent is a low-viscosity, aliphatic-free aromatic polyisocyanurate trimer developed by Mitsui Chemicals for high-performance polyurethane coatings and adhesives. It offers excellent weather resistance, fast curing at room temperature, and superior chemical/moisture resistance versus conventional HDI trimers—ideal for automotive clearcoats and industrial finishes.
  • mitsui d 268t tdi trimer curing agent_c118b7ae
  • mitsui d 268t tdi trimer curing agent_c118b7ae

Features Of Mitsui D-268T TDI Trimer Curing Agent

  1. Highly stable aliphatic trimer structure ensures excellent storage stability and extended pot life.

  2. Low volatility and reduced monomer content enhance workplace safety and compliance with industrial hygiene standards.

  3. Delivers superior hardness, chemical resistance, and UV stability in cured polyurethane coatings and adhesives.

  4. Compatible with a wide range of polyols including polyester, polyether, and acrylic types for flexible formulation design.

  5. Enables rapid cure at ambient or elevated temperatures without requiring strong catalysts.

Typical Applications Of Mitsui D-268T TDI Trimer Curing Agent

  1. High-performance automotive clearcoats and basecoats.

  2. Durable industrial maintenance coatings for metal and concrete substrates.

  3. Two-component polyurethane adhesives for transportation and composite bonding.

  4. UV-resistant architectural coatings for façades and cladding systems.

  5. Flexible elastomeric sealants requiring low-temperature flexibility and weather resistance.

Specifications Of Mitsui D-268T TDI Trimer Curing Agent

Chemical TypeTDI-based isocyanurate trimer
Product FormLiquid
AppearanceClear to pale yellow viscous liquid
NCO Content (wt%)19.5–20.5%
Viscosity (mPa·s, 25°C)800–1,200
Specific Gravity (25°C)1.18–1.22
Monomeric TDI Content<0.5% (w/w)
Storage Stability≥12 months at 25°C in sealed container


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