Powder coatings are durable finishes for industrial, selective automotive and architectural applications. These are VOC free, environmentally friendly, and formulated with lead-free inorganic and organic pigments. Powder coatings processed at up to 450°, require high heat stability pigments. Also needed are durability, opacity, and cost effectiveness for competitive market needs. Organic pigments have much lower opacity than inorganic pigments. Most formulations are a blend of organic and inorganic pigments to match the shade and opacity. There are other ways (see below) to improve such properties without compromising performance (cost, hue, gloss, and chroma), and will be presented.
- Blending most chromatic organic with inorganic pigments.
- Optimized particle organic pigments with high opacity, better flow, and high gloss (especially in yellow, orange, and red hues).
- Bright inorganics with organic pigments for high opacity, chroma, and performance.
- Complimentary pigments as shaders with minimum effect on chroma.
- Special hybrid pigments – core shell technolgy.
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