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

Allnex EBECRYL 4654 Crosslinking Agent

Allnex EBECRYL 4654 is a multifunctional acrylated urethane crosslinking agent in the EBECRYL series, designed for high-performance UV/EB-curable coatings and inks. It delivers excellent hardness, flexibility, chemical resistance, and rapid cure speed while enabling low-viscosity formulations and superior substrate adhesion across plastics, metals, and wood.
  • allnex ebecryl 4654 crosslinking agent_a2f3a9c6
  • allnex ebecryl 4654 crosslinking agent_a2f3a9c6

Features Of Allnex EBECRYL 4654 Crosslinking Agent

  1. Highly functional aliphatic urethane acrylate oligomer offering excellent flexibility and impact resistance.

  2. Low viscosity enables easy formulation handling and improved pigment/wetting dispersion in UV-curable systems.

  3. Provides outstanding adhesion to diverse substrates including plastics, metals, and coated papers.

  4. Delivers rapid cure speed under standard UV LED and mercury lamp sources with minimal oxygen inhibition.

  5. Complies with REACH and RoHS directives; free of intentionally added bisphenol A (BPA) and nonylphenol.

Typical Applications Of Allnex EBECRYL 4654 Crosslinking Agent

  1. UV-curable overprint varnishes for flexible packaging and folding cartons.

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

  3. Industrial wood and plastic coatings requiring high mar and scratch resistance.

  4. Screen-printed and inkjet inks for decorative and functional graphics on rigid substrates.

  5. 3D printing resins demanding toughness, dimensional stability, and post-cure compatibility.

Specifications Of Allnex EBECRYL 4654 Crosslinking Agent

Chemical TypeAliphatic urethane acrylate oligomer
Product FormLiquid
AppearancePale yellow, clear liquid
Viscosity (25°C, mPa·s)1,800–2,400
Acid Value (mg KOH/g)< 3
Refractive Index (25°C)1.475–1.485
VOC Content< 1 g/L (non-volatile)
Primary ApplicationsUV/LED-curable coatings, inks, and adhesives


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