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

Allnex EBECRYL 641 Crosslinking Agent

Allnex EBECRYL 641 is a multifunctional acrylated urethane oligomer crosslinking agent offering rapid UV/EB cure, excellent flexibility, adhesion and chemical resistance—ideal for coatings, inks and adhesives requiring high performance and low shrinkage.
  • allnex ebecryl 641 crosslinking agent_5e1600b9
  • allnex ebecryl 641 crosslinking agent_5e1600b9

Features Of Allnex EBECRYL 641 Crosslinking Agent

  1. Highly efficient trifunctional acrylate monomer for rapid UV/EB curing systems.

  2. Excellent compatibility with common acrylic resins and oligomers in radiation-curable formulations.

  3. Low volatility and low skin sensitization potential compared to traditional multifunctional acrylates.

  4. Delivers superior surface hardness, chemical resistance, and crosslink density in final films.

  5. Enables formulation flexibility with balanced reactivity and viscosity for spray, roll-coating, and inkjet applications.

Typical Applications Of Allnex EBECRYL 641 Crosslinking Agent

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

  2. Industrial metal and plastic coatings requiring high durability and gloss retention.

  3. Screen and digital inkjet inks for packaging and decorative printing.

  4. Electronics encapsulants and conformal coatings demanding low shrinkage and adhesion stability.

  5. 3D printing resins (SLA/DLP) where mechanical toughness and post-cure performance are critical.

Specifications Of Allnex EBECRYL 641 Crosslinking Agent

Chemical TypeTrifunctional acrylate monomer
Product FormLiquid
AppearanceClear, pale yellow liquid
Viscosity (25 °C)~150–250 mPa·s
Refractive Index (25 °C)1.465–1.475
Acid Value< 1 mg KOH/g
Flash Point (PMCC)> 110 °C
Storage StabilityStable for ≥12 months at <30 °C under nitrogen, protected from light


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