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

Allnex EBECRYL 221 Crosslinking Agent

Allnex EBECRYL 221 is a low-viscosity, multifunctional acrylate crosslinking agent from the EBECRYL® reactive diluent series. It enhances cure speed, hardness, and chemical resistance in UV/EB-curable coatings, inks, and adhesives. Designed for high reactivity and excellent compatibility with common resins, it delivers superior film performance without volatile organic compounds.
  • allnex ebecryl 221 crosslinking agent_afb3341c
  • allnex ebecryl 221 crosslinking agent_afb3341c

Features Of Allnex EBECRYL 221 Crosslinking Agent

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

  2. Excellent compatibility with common acrylic monomers and oligomers.

  3. Delivers superior hardness, chemical resistance, and abrasion resistance in cured films.

  4. Low volatility and low skin sensitization potential versus traditional multifunctional acrylates.

  5. Enables formulation flexibility for both free-radical and cationic hybrid systems.

Typical Applications Of Allnex EBECRYL 221 Crosslinking Agent

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

  2. Industrial metal and plastic coatings requiring high durability.

  3. Printing inks for flexible packaging and labels.

  4. 3D printing resins (SLA/DLP) demanding dimensional stability and toughness.

  5. Electronic encapsulants and conformal coatings.

Specifications Of Allnex EBECRYL 221 Crosslinking Agent

Chemical TypeTrifunctional acrylic ester
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Viscosity (25°C)~150–250 mPa·s
Density (20°C)~1.08–1.12 g/cm³
Acid Value< 1 mg KOH/g
Refractive Index (25°C)1.455–1.465
Primary ApplicationsUV/EB-curable coatings, inks, adhesives, and 3D printing resins


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