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

Allnex EBECRYL 640/20TO Crosslinking Agent

Allnex EBECRYL 640/20TO is a trifunctional acrylate crosslinking agent in the EBECRYL® series, designed for UV-curable coatings and inks. It delivers rapid cure speed, excellent hardness, and low shrinkage. Compatible with common photoinitiators, it enhances film flexibility and chemical resistance without volatile organic compounds. Widely used in industrial wood, plastic, and metal finishing applications.
  • allnex ebecryl 640 20to crosslinking agent_83dfb5dc
  • allnex ebecryl 640 20to crosslinking agent_83dfb5dc

Features Of Allnex EBECRYL 640/20TO Crosslinking Agent

  1. Highly efficient multifunctional acrylate crosslinker for UV-curable coatings and inks.

  2. Excellent compatibility with common acrylic and epoxy acrylate oligomers and monomers.

  3. Delivers rapid cure speed and high crosslink density under standard UV irradiation.

  4. Low volatility and reduced skin sensitization potential compared to traditional HDDA-type crosslinkers.

  5. Enhances hardness, chemical resistance, and mar resistance in final cured films.

Typical Applications Of Allnex EBECRYL 640/20TO Crosslinking Agent

  1. UV-curable wood coatings for furniture and flooring.

  2. Industrial UV inks for flexible packaging and label printing.

  3. Plastic coatings for automotive interior trim and electronic device housings.

  4. Overprint varnishes (OPVs) requiring high gloss and substrate adhesion.

  5. 3D printing resins requiring dimensional stability and mechanical robustness.

Specifications Of Allnex EBECRYL 640/20TO Crosslinking Agent

Chemical TypeMultifunctional aliphatic urethane acrylate
Product FormClear, viscous liquid
AppearanceColorless to pale yellow, homogeneous liquid
Primary ApplicationsUV-curable coatings, inks, adhesives, and 3D printing resins
Key FeaturesLow odor, low migration, high reactivity, good flexibility balance
BenefitsImproved scratch resistance, enhanced adhesion to plastics, reduced post-cure shrinkage
Storage StabilityStable for ≥12 months at 25°C in sealed containers under nitrogen
Recommended Use Level5–25 wt% in total formulation (varies by system)


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