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

Evonik Vestamin TMD Trimethylhexamethylenediamine

Evonik Vestamin TMD is a high-purity aliphatic diamine—trimethylhexamethylenediamine—used as a reactive curing agent for epoxy resins and polyurethanes. It offers low viscosity, fast reactivity, and excellent chemical resistance. Part of Evonik’s Vestamin amine portfolio, TMD enhances flexibility and durability in coatings, adhesives, and composites while enabling low-VOC formulations.
  • evonik vestamin tmd trimethylhexamethylenediamine_788a096a
  • evonik vestamin tmd trimethylhexamethylenediamine_788a096a

Features Of Evonik Vestamin TMD Trimethylhexamethylenediamine

  1. High reactivity with diisocyanates, enabling rapid curing in polyurea and polyurethane systems.

  2. Low volatility and favorable handling characteristics compared to conventional aliphatic diamines.

  3. Excellent hydrolytic stability, contributing to long-term performance in moisture-sensitive applications.

  4. Provides superior UV resistance and color stability in light-stable coatings and elastomers.

  5. Compatible with a broad range of solvents and polymer matrices, supporting flexible formulation design.

Typical Applications Of Evonik Vestamin TMD Trimethylhexamethylenediamine

  1. Aliphatic polyurea coatings for corrosion protection on steel and concrete infrastructure.

  2. High-performance clearcoats and topcoats in automotive and industrial finishing.

  3. Flexible elastomers requiring excellent weatherability and mechanical resilience.

  4. Adhesives and sealants demanding fast gel time and low-temperature cure capability.

  5. Reaction injection molding (RIM) systems for durable, lightweight composite parts.

Specifications Of Evonik Vestamin TMD Trimethylhexamethylenediamine

Chemical TypeAliphatic tertiary amine-modified diamine
Product FormLiquid
AppearanceColorless to pale yellow clear liquid
Primary ApplicationsPolyurea and polyurethane crosslinker
Key FeaturesLow odor, high reactivity, UV stability
Storage StabilityStable under dry, inert conditions at 15–25 °C
Handling PrecautionsUse in well-ventilated areas; avoid contact with skin/eyes
Regulatory StatusREACH registered; not classified as CMR or SVHC under current EU criteria


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