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

Allnex EBECRYL 4220 Crosslinking Agent

Allnex EBECRYL 4220 is a low-viscosity, multifunctional acrylate crosslinking agent from the EBECRYL® series, designed for UV/EB-curable coatings and inks. It delivers rapid cure speed, excellent hardness, and superior chemical resistance while enabling formulation flexibility and low shrinkage.
  • allnex ebecryl 4220 crosslinking agent_5e053fc3
  • allnex ebecryl 4220 crosslinking agent_5e053fc3

Features Of Allnex EBECRYL 4220 Crosslinking Agent

  1. Highly functional aliphatic urethane acrylate oligomer designed for rapid UV/EB curing.

  2. Delivers excellent flexibility and impact resistance in cured films without compromising hardness.

  3. Low viscosity enables easy formulation blending and high solids content without reactive diluents.

  4. Superior adhesion to challenging substrates including plastics, metals, and coated papers.

  5. Excellent weathering and chemical resistance due to saturated aliphatic backbone.

Typical Applications Of Allnex EBECRYL 4220 Crosslinking Agent

  1. UV-curable overprint varnishes for flexible packaging and label printing.

  2. Hard-coat formulations for optical films and touch-screen overlays.

  3. Industrial wood coatings requiring abrasion resistance and gloss retention.

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

Specifications Of Allnex EBECRYL 4220 Crosslinking Agent

Chemical TypeAliphatic urethane acrylate oligomer
Product FormLiquid
AppearanceColorless to pale yellow viscous liquid
Viscosity (25°C, mPa·s)8,000–12,000
Acid Value (mg KOH/g)< 3
Functonality (Average acrylate groups/molecule)4.2–4.8
Refractive Index (25°C)1.475–1.485
Storage Stability (25°C, months)> 12 (in sealed container, protected from light and moisture)


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