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

Evonik OK-500 Matting Agent

Evonik OK-500 is a high-performance silica-based matting agent from Evonik’s SIPERNAT® series, engineered for controlled gloss reduction in coatings and inks. It delivers excellent transparency, low viscosity impact, and consistent matte finish across solventborne, waterborne, and UV-curable systems—ideal for automotive, industrial, and decorative applications requiring premium optical and rheological properties.
  • evonik ok 500 matting agent_2be768f8
  • evonik ok 500 matting agent_2be768f8

Features Of Evonik OK-500 Matting Agent

  1. Highly efficient silica-based matting agent delivering consistent, uniform surface matte effect.

  2. Excellent transparency retention in clear coatings and inks without compromising gloss control.

  3. Superior dispersion stability in solvent-borne, water-borne, and UV-curable systems.

  4. Low abrasion tendency — preserves substrate integrity and extends application equipment life.

  5. Optimized particle size distribution for balanced haze reduction and smooth tactile finish.

Typical Applications Of Evonik OK-500 Matting Agent

  1. Architectural and industrial maintenance coatings.

  2. Automotive refinish clearcoats and basecoats.

  3. Wood finishing systems including varnishes and lacquers.

  4. Printing inks for packaging and decorative applications.

  5. Plastic coatings and functional protective topcoats.

Specifications Of Evonik OK-500 Matting Agent

Chemical TypePrecipitated amorphous silica
Product FormFree-flowing white powder
AppearanceWhite, odorless, fine particulate solid
Primary ApplicationsMatting agent for liquid coatings and inks
Key FeaturesLow sedimentation, high shear stability, low oil absorption
BenefitsControlled gloss, improved scratch resistance, enhanced film clarity
Recommended Loading Range1.0–5.0 wt% (relative to total solids)
Storage ConditionsStore in dry, cool, well-ventilated area; protect from moisture


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