(yellow oxide)
Yellow oxide, chemically known as hydrated iron(III) oxide (FeO(OH)·H2O), serves as a critical inorganic pigment across industries. With a global market value projected to reach $2.3 billion by 2027 (CAGR 4.8%), this compound's lightfastness and chemical stability make it indispensable. Unlike organic alternatives, yellow iron oxide powder maintains color integrity under UV exposure, with 98% retention after 1,000 hours in ASTM G154 testing.
Premium-grade iron oxide yellow pigment exhibits exceptional parameters:
Advanced manufacturing techniques like calcination control (650-800°C) enable precise hue adjustment (b value: 45-55 CIELAB units) while maintaining ≤0.1% soluble salts content.
Parameter | Venator | Lanxess | CATHAY INDUSTRIES |
---|---|---|---|
Fe2O3 Content | ≥86% | ≥88% | ≥85% |
105°C Volatiles | ≤1.0% | ≤0.8% | ≤1.2% |
REACH Compliance | Full | Full | Partial |
Specialized grades address distinct requirements:
In architectural coatings, yellow iron oxide demonstrates 25% better weathering resistance than chromium-based pigments. The plastics industry utilizes heat-stable variants (stable up to 280°C) for PVC and polyolefin coloration, reducing production costs by 18% compared to pre-colored resins.
Leading manufacturers adhere to:
Recent developments include nano-particle formulations (30-50 nm) achieving 98% UV opacity at 15 μm coating thickness. The emergence of doped iron oxides (Al/Si modification) enhances thermal stability by 40% for powder coating applications. As sustainable production methods advance, the CO2 footprint per ton has decreased 22% since 2015 through improved calcination efficiency.
(yellow oxide)
A: Yellow iron oxide powder is a synthetic pigment composed of hydrated iron oxide (FeO(OH)). It’s valued for its vibrant yellow hue, lightfastness, and chemical stability in industrial applications.
A: Yellow iron oxide is widely used in construction materials, paints, coatings, and plastics for coloring. It also serves in cosmetics, ceramics, and as a UV-resistant pigment in outdoor products.
A: Iron oxide yellow pigment is typically synthesized through chemical precipitation of iron salts, followed by filtration and calcination. This process ensures consistent color quality and particle size for industrial use.
A: Yes, when purified, yellow iron oxide is approved by regulatory bodies like the FDA for cosmetic use. It’s non-toxic and commonly found in makeup, soaps, and skincare products.
A: No, iron oxide yellow pigment is highly lightfast and weather-resistant. It retains its color integrity even under prolonged exposure to sunlight, moisture, or temperature changes.