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

Evonik VESTANAT TMD Chain Extender

Evonik VESTANAT TMD is a high-performance aliphatic chain extender from Evonik’s VESTANAT series, specifically designed for waterborne and solvent-based polyurethane coatings. It enhances mechanical strength, chemical resistance, and hydrolytic stability while enabling low-VOC formulations with excellent clarity and long pot life.
  • evonik vestanat tmd chain extender_b364cb66
  • evonik vestanat tmd chain extender_b364cb66

Features Of Evonik VESTANAT TMD Chain Extender

  1. Highly efficient chain extender for aliphatic and aromatic polyurethane elastomers.

  2. Enables excellent mechanical properties including high tensile strength and elongation at break.

  3. Offers superior hydrolytic stability compared to conventional diamine-based extenders.

  4. Provides extended processing window due to controlled reactivity with isocyanates.

  5. Supports low-viscosity formulations, facilitating homogeneous mixing and improved processability.

Typical Applications Of Evonik VESTANAT TMD Chain Extender

  1. Thermoplastic polyurethane (TPU) compounds for extrusion and injection molding.

  2. Polyurethane elastomer systems used in automotive bushings and suspension components.

  3. High-performance coatings requiring abrasion resistance and flexibility.

  4. Cast elastomer applications such as industrial rollers, seals, and mining screens.

  5. Adhesives and sealants where balanced cure kinetics and final property development are critical.

Specifications Of Evonik VESTANAT TMD Chain Extender

Chemical TypeAliphatic diamine-based chain extender
Product FormLiquid
AppearanceClear, pale yellow liquid
Primary ApplicationsPolyurethane elastomers, TPUs, coatings, adhesives
Key FeaturesControlled reactivity, hydrolytic stability, low volatility
BenefitsEnhanced mechanical performance, improved processing safety, reduced odor
Storage ConditionsStore under nitrogen; protect from moisture and light
Handling PrecautionsUse in well-ventilated areas; refer to Safety Data Sheet (SDS)


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