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

Allnex EBECRYL 5129/20HD Crosslinking Agent

Allnex EBECRYL 5129/20HD is a high-functionality aliphatic urethane acrylate crosslinking agent offering excellent flexibility, scratch resistance and rapid UV cure performance. Designed for demanding industrial coatings and ink applications, it delivers low viscosity, superior adhesion to plastics/metals, and outstanding weatherability without yellowing. Part of Allnex’s premium EBECRYL® reactive diluent & crosslinker series.
  • allnex ebecryl 5129 20hd crosslinking agent_96107162
  • allnex ebecryl 5129 20hd crosslinking agent_96107162

Features Of Allnex EBECRYL 5129/20HD Crosslinking Agent

  1. High-functionality aliphatic urethane acrylate designed for rapid UV/EB curing systems.

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

  3. Low viscosity enables easy formulation blending and improved compatibility with common monomers and oligomers.

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

  5. Non-yellowing performance ensures long-term clarity and color stability in demanding optical and decorative applications.

Typical Applications Of Allnex EBECRYL 5129/20HD Crosslinking Agent

  1. UV-curable overprint varnishes for flexible packaging and premium labels.

  2. Hard-coat formulations for plastic lenses, displays, and touchscreens.

  3. Industrial wood coatings requiring high mar and chemical resistance.

  4. 3D printing resins where toughness and dimensional stability are critical.

Specifications Of Allnex EBECRYL 5129/20HD Crosslinking Agent

Chemical TypeAliphatic urethane acrylate
Product FormLiquid oligomer
AppearanceClear, pale yellow liquid
Viscosity (25°C, mPa·s)8,000–12,000
Acid Value (mg KOH/g)< 5
Functinality (average)~4.2
Refractive Index (25°C)1.475–1.485
Primary ApplicationsUV/EB-curable coatings, inks, and adhesives


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