materials-finishes

Matte Black E-Coating: Cathodic Epoxy Deposition for Minimalist Black Hardware

Engineering Overview: Technical specifications for cathodic electro-deposition (E-coat) in Matte Black (RAL 9005), guaranteeing 100% sharp-edge corrosion coverage.

Technical & Engineering Specifications

Thickness 25 to 30 um Uniform Layer
Salt Spray ASTM B117 > 480 Hours
Technology Cathodic Electrophoretic Epoxy Deposition
Color Standard Matte Deep Black (RAL 9005 / Jet Black)
Pencil Hardness 3H Scratch Resistance

Minimalist Matte Black Finishes

Modern black hardware requires coatings that do not chip or peel along sharp keyway edges.

Cathodic E-Coating Chemistry

  • Immersion Deposition: Positively charged black epoxy resin is deposited at 80V.
  • Hardness & UV: Cured at 180°C to achieve 3H pencil hardness and 480h neutral salt spray life.

Frequently Asked Engineering & Selection Questions

Q1: What are the primary material characteristics of this finish?

Technical specifications for cathodic electro-deposition (E-coat) in Matte Black (RAL 9005), guaranteeing 100% sharp-edge corrosion coverage.