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

Allnex EBECRYL 646 Crosslinking Agent

Allnex EBECRYL 646 is a multifunctional acrylated urethane crosslinking agent in the EBECRYL series, designed for high-performance UV-curable coatings and inks. It delivers excellent flexibility, adhesion, and chemical resistance while enabling rapid cure and low shrinkage. Widely used in industrial, graphic, and wood finishes where toughness and clarity are critical.
  • allnex ebecryl 646 crosslinking agent_073f87b6
  • allnex ebecryl 646 crosslinking agent_073f87b6

Features Of Allnex EBECRYL 646 Crosslinking Agent

  1. Highly reactive multifunctional acrylate designed for rapid UV/EB curing systems.

  2. Excellent compatibility with common acrylic and epoxy acrylate resins.

  3. Delivers superior surface hardness and chemical resistance in final cured films.

  4. Low volatility and minimal odor, supporting improved workplace safety and regulatory compliance.

  5. Enables high crosslink density without excessive brittleness or yellowing.

Typical Applications Of Allnex EBECRYL 646 Crosslinking Agent

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

  2. EB-curable overprint varnishes for flexible packaging and labels.

  3. Hardcoats for optical plastics and electronic displays.

  4. Industrial metal and plastic coatings requiring abrasion resistance.

  5. 3D printing resins for high-resolution, durable photopolymer parts.

Specifications Of Allnex EBECRYL 646 Crosslinking Agent

Chemical TypeMultifunctional aliphatic urethane acrylate
Product FormClear, viscous liquid
AppearanceColorless to pale yellow, transparent
Primary ApplicationsUV/EB-curable coatings, inks, and adhesives
Key FeaturesFast cure speed, high reactivity, low shrinkage
BenefitsEnhanced hardness, flexibility balance, and substrate adhesion
Storage Stability12 months in unopened container at <25°C, protected from light and moisture
VOC ContentNon-VOC (0 g/L)


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