It is prepared using high-temperature solid-phase synthesis process with stable crystal structure, and can maintain stable color performance during high-temperature injection molding processing without decomposition or discoloration. Its unique ultramarine structure has a certain anti-yellowing effect, which can offset the yellowing of plastic products during aging. It has excellent light resistance, and will not fade during outdoor exposure. Although it is sensitive to strong acidic environments, it has stable performance in alkaline environments, making it very suitable for exterior coatings and concrete coloring. It complies with REACH and ISO certification standards, providing a reliable blue coloring solution for industrial manufacturing.
Specific parameters include: Na₈Al₆Si₆O₂₄S₂ crystal structure, particle size 10-50 microns, density 2.3 g/cm³, pH value 7.5-9.0 (weak alkaline), hiding power ≥90%, oil absorption 25-30 g/100g, heat resistance temperature up to 250°C, light resistance level 7, weather resistance level 4, complying with ISO 787 pigment testing standards and EU REACH regulations, packaged as 20kg per corrugated carton.
It is mainly applicable to the plastic products industry, including coloring of injection-molded toys, household goods, automotive interior parts, blue matching of exterior wall latex paint and floor paint, paper whitening and coloring in the papermaking industry. It can also be used for color matching of ink and watercolor pigments, providing a bright and stable blue appearance for various products, suitable for home building materials, toy manufacturing, packaging printing and other industry scenarios.
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