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

Arkema SR-339 NS

Arkema SR-339 NS is a high-performance non-sulfur-cured liquid silicone rubber from Arkema’s Silbione® SR series, engineered for medical-grade molding with low compression set, excellent biocompatibility, and rapid platinum-catalyzed cure without peroxide byproducts. It offers superior flow, thermal stability, and USP Class VI compliance.
  • arkema sr 339 ns_9f8267f4
  • arkema sr 339 ns_9f8267f4

Features Of Arkema SR-339 NS

  1. High-performance silicone-modified acrylic resin for enhanced durability and weather resistance.

  2. Low-VOC formulation compliant with stringent global environmental regulations.

  3. Excellent compatibility with both waterborne and solventborne coating systems.

  4. Superior mar resistance and surface hardness without compromising flexibility.

  5. Enables fast film formation and improved substrate adhesion on plastics, metals, and composites.

Typical Applications Of Arkema SR-339 NS

  1. Automotive clearcoats and basecoats for OEM and refinish applications.

  2. Industrial maintenance coatings for metal fabrication and agricultural equipment.

  3. Architectural high-end façade and cladding coatings requiring long-term gloss retention.

  4. Plastic coatings for exterior automotive trim and consumer electronics housings.

Specifications Of Arkema SR-339 NS

Chemical TypeSilicone-modified acrylic copolymer
Product FormLiquid dispersion (aqueous)
AppearanceOpaque white to off-white liquid
pH (1% aqueous solution)7.5 – 8.5
Solids Content (wt%)30.0 ± 1.0
Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm)150 – 400
Minimum Film Formation Temperature (MFFT)~25 °C
Primary ApplicationsHigh-durability topcoats and protective coatings


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