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

Allnex EBECRYL 3639 Crosslinking Agent

Allnex EBECRYL 3639 is a trifunctional acrylate crosslinking agent from the EBECRYL® series, delivering rapid UV/EB cure speed, high reactivity, and excellent hardness-flexibility balance in radiation-curable coatings, inks, and adhesives.
  • allnex ebecryl 3639 crosslinking agent_0799e537
  • allnex ebecryl 3639 crosslinking agent_0799e537

Features Of Allnex EBECRYL 3639 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 volatility and low odor — suitable for sensitive indoor applications and compliant with stringent VOC regulations.

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

  5. Excellent compatibility with common reactive diluents and other acrylate resins in formulation systems.

Typical Applications Of Allnex EBECRYL 3639 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 coatings requiring high scratch and chemical resistance.

  4. Electronics encapsulants and conformal coatings for PCB protection.

  5. 3D printing resins where toughness and dimensional stability are critical.

Specifications Of Allnex EBECRYL 3639 Crosslinking Agent

Chemical TypeAliphatic urethane acrylate oligomer
Product FormViscous liquid
AppearanceColorless to pale yellow, clear liquid
Primary ApplicationsUV/EB-curable coatings, inks, and adhesives
Key FeaturesFlexible yet hard-curing, low migration, high reactivity
BenefitsReduced post-cure shrinkage, enhanced substrate adhesion, improved film integrity
Storage StabilityStable at 25°C for ≥12 months under nitrogen in sealed containers
Handling PrecautionsUse in well-ventilated areas; avoid skin contact and prolonged inhalation of mists


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