Powder Coating Additives: Application Overview

What are they?
Specialty chemicals added to powder coating formulations to modify processing, application, and final performance characteristics.

Primary Application Areas:

1. Flow & Levelling

   • Additives: Acrylates, Silicones.

   • Function: Eliminate orange peel, improve gloss, ensure a smooth surface.

2. Surface Texturing

   • Additives: Dry flow agents, Micronized Waxes, Metal powders.

   • Function: Create matte, gloss, metallic, or wrinkled finishes for aesthetic or grip purposes.

3. Degassing (Pinhole Prevention)

   • Additives: Benzoin.

   • Function: Release air/volatiles from the molten film during curing to prevent surface defects.

4. Mechanical Reinforcement

   • Additives: Flexibilizers, Edge coverage enhancers.

   • Function: Improve impact resistance, flexibility, and adhesion to metal substrates.

5. Extrusion & Grinding Aid

   • Additives: Processing aids.

   • Function: Improve pigment dispersion during manufacturing and reduce fines during milling.

Conclusion:
Additives are the critical component that transforms standard powder into a high-performance, application-specific coating solution.