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

Arkema SR420 SR420

Arkema SR420 is a high-performance aliphatic urethane acrylate oligomer from Arkema’s Sartomer SR series, offering excellent flexibility, adhesion, and UV-cure speed for coatings, inks, and adhesives. It delivers low viscosity, good weather resistance, and superior scratch resistance without volatile organic compounds.
  • arkema sr420 sr420_cd2f890f
  • arkema sr420 sr420_cd2f890f

Features Of Arkema SR420 SR420

  1. Highly reactive acrylate monomer with dual functionality for enhanced crosslinking density.

  2. Low viscosity enables excellent formulation compatibility and ease of processing in UV-curable systems.

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

  4. Provides superior surface hardness and chemical resistance in final cured films.

  5. Compatible with common photoinitiators and other multifunctional acrylates for tailored performance.

Typical Applications Of Arkema SR420 SR420

  1. UV-curable inkjet inks for industrial and packaging printing.

  2. Hardcoats for optical lenses, displays, and touchscreens.

  3. 3D printing resins requiring high resolution and mechanical robustness.

  4. Protective coatings for automotive interior trim and electronics enclosures.

  5. Flexible PCB solder masks and dielectric layers.

Specifications Of Arkema SR420 SR420

Chemical TypeDifunctional acrylic monomer (1,6-hexanediol diacrylate)
Product FormLiquid
AppearanceColorless to pale yellow clear liquid
Viscosity (25°C)8–12 cP
Refractive Index (25°C)1.455–1.465
Acid Number< 0.1 mg KOH/g
Flash Point (COC)> 100°C
Storage ConditionsStore under nitrogen at 15–25°C, protected from light and moisture


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