Black Oxide Powders for Coatings

Precision Pigmentation for the Coatings World

Deqing Demi Pigment Technology Co., Ltd. understands that a coating’s performance is determined at the micron level. Our black oxide powders are engineered to meet the high standards of the global coatings industry. We provide pigments that offer not just color, but functional benefits like UV shielding and chemical resistance. By maintaining a clean, grit-free production process, we empower paint manufacturers to create smooth, durable, and visually striking black finishes.

Coatings Usage Areas

• Industrial Primers: High-build, corrosion-resistant black base layers.
• Powder Coatings: Heat-stable black for appliance and automotive parts.
• Wood Stains: Fine-particle black for deep, transparent wood finishes.
• Floor Epoxies: Wear-resistant black for heavy-traffic industrial floors.

Coatings Grade Technical Specs

Core Advantages

• Superior Hiding: Achieves total opacity at lower film thicknesses.
• Non-Conductive: Safer than carbon black for certain electronic housings.
• Heat Stability: Resists color shift during high-temp curing/baking cycles.
• UV Blocking: Protects the underlying resin from photo-degradation.

• Q: Is black iron oxide better than carbon black for coatings?

  A: Iron oxide is non-conductive, easier to disperse, and doesn't affect the rheology of the paint as drastically as carbon black.

• Q: Does it prevent rust?

  A: While it is not an active anti-corrosive like zinc, its dense structure acts as a physical barrier against moisture.

Coating Optimization Services

We provide "Wet-out Speed Testing," helping you calculate the optimal surfactant concentration for your specific resin system.

Custom Jet-Milling: For ultra-smooth high-gloss applications, we offer powders micronized to a D90 of less than 1 micron.

The Science of Particle Surface Leveling

In coatings, "Specular Gloss" is ruined by oversized particles protruding from the film. We utilize "Air Classification" during the milling of our black oxides to eliminate any particles larger than 10 microns. This ensures that the pigment sits entirely below the surface of the resin, allowing the binder to level out perfectly. This scientific control of the "Upper Particle Limit" is what allows our black oxides to produce mirror-like finishes in automotive and appliance coatings.