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

Allnex ADDITOL VXW 6251 Acrylate Curing Agent

Allnex ADDITOL VXW 6251 is a low-viscosity acrylate functional oligomer serving as a reactive diluent and curing agent in UV/EB coatings. Designed for high reactivity and excellent film formation, it enhances hardness, chemical resistance, and adhesion in wood, plastic, and metal finishes—part of Allnex’s ADDITOL VXW series.
  • allnex additol vxw 6251 acrylate curing agent_b71988b9
  • allnex additol vxw 6251 acrylate curing agent_b71988b9

Features Of Allnex ADDITOL VXW 6251 Acrylate Curing Agent

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

  2. Excellent compatibility with common acrylic monomers and oligomers in free-radical systems.

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

  4. Low volatility and low odor profile, supporting safer handling and improved workplace compliance.

  5. Enables formulation flexibility for both 100% solids and low-VOC radiation-curable coatings.

Typical Applications Of Allnex ADDITOL VXW 6251 Acrylate Curing Agent

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

  2. EB-curable inks for flexible packaging and label printing.

  3. Industrial clearcoats for metal and plastic substrates.

  4. 3D printing resins requiring fast build speed and high surface quality.

  5. Electronics encapsulants and conformal coatings demanding thermal stability and adhesion.

Specifications Of Allnex ADDITOL VXW 6251 Acrylate Curing Agent

Chemical TypeMultifunctional acrylate monomer
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
Primary ApplicationsUV/EB-curable coatings, inks, adhesives, and 3D printing resins
Key FeaturesHigh reactivity, low shrinkage, excellent film formation
BenefitsFast cure speed, high crosslink density, good substrate adhesion
Storage ConditionsStore under nitrogen at 15–25°C, protect from light and moisture
StabilizerContains polymerization inhibitor (MEHQ)


Allnex ADDITOL VXW 6251 Acrylate Curing Agent – Frequently Asked Questions (FAQ)

Q1: What is the primary function of ADDITOL VXW 6251 in UV-curable systems?

A: ADDITOL VXW 6251 functions as a multifunctional acrylate curing agent that enhances crosslink density, improves surface cure efficiency, and contributes to reduced oxygen inhibition—particularly beneficial in demanding UV-LED and low-energy curing applications.


Q2: Is ADDITOL VXW 6251 compatible with common UV-curable resins such as urethane acrylates and epoxy acrylates?

A: Yes, ADDITOL VXW 6251 demonstrates broad compatibility with standard UV-curable oligomers including aliphatic urethane acrylates, epoxy acrylates, and polyester acrylates, supporting formulation flexibility without significant phase separation or viscosity instability.


Q3: How does ADDITOL VXW 6251 affect film properties such as hardness, flexibility, and chemical resistance?

A: When incorporated into formulations, it typically increases cured film hardness and improves resistance to solvents and mild chemicals, while maintaining acceptable flexibility—especially when balanced with lower-functionality monomers or reactive diluents.


Q4: What is the recommended dosage range for ADDITOL VXW 6251 in typical UV-curable coatings and inks?

A: Dosage depends on formulation requirements and performance targets, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight relative to total formulation solids—to achieve optimal reactivity and property balance without excessive brittleness.



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