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

Allnex ADDITOL VXW 6251 Curing Agent

Allnex ADDITOL VXW 6251 Curing Agent is a low-viscosity, aliphatic polyamine-based hardener for epoxy resins. Designed for ambient- and heat-cure systems, it delivers excellent chemical resistance, flexibility, and adhesion. Ideal for coatings, adhesives, and composites requiring fast cure without blushing. Part of Allnex’s ADDITOL VXW series, it ensures consistent performance and low VOC content.
  • allnex additol vxw 6251 curing agent_6bd4f05b
  • allnex additol vxw 6251 curing agent_6bd4f05b

Features Of Allnex ADDITOL VXW 6251 Curing Agent

  1. Highly reactive aliphatic polyamine-based curing agent for fast ambient-cure epoxy systems.

  2. Excellent chemical resistance—particularly to alkalis, solvents, and mild acids after full cure.

  3. Low viscosity enables easy handling, precise metering, and superior compatibility with epoxy resins.

  4. Low volatility and low skin sensitization potential compared to conventional aromatic amines.

  5. Enables high-gloss, defect-free finishes with excellent hardness and adhesion on diverse substrates.

Typical Applications Of Allnex ADDITOL VXW 6251 Curing Agent

  1. Industrial maintenance coatings for steel and concrete infrastructure.

  2. High-performance floor coatings in pharmaceutical, food processing, and cleanroom facilities.

  3. Electrical insulation varnishes and encapsulants for transformers and motors.

  4. Adhesives and structural bonding systems requiring rapid fixture and ambient-cure capability.

  5. Marine and offshore protective coatings where corrosion resistance and fast turnaround are critical.

Specifications Of Allnex ADDITOL VXW 6251 Curing Agent

Chemical TypeAliphatic polyamine adduct
Product FormLiquid
AppearancePale yellow to amber clear liquid
Primary ApplicationsAmbient-cure epoxy coatings, adhesives, and electrical insulating compounds
Key FeaturesFast reactivity, low odor, low skin sensitization risk, good compatibility with DGEBA resins
BenefitsReduced pot life dependency on temperature, improved worker safety profile, consistent film formation
Storage StabilityAt least 12 months in original sealed container at 15–25 °C
Recommended Epoxy Equivalent Ratio (EEW)1.0–1.2 eq amine per eq epoxy (varies by resin system)


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