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H-700 is a high-purity precipitated barium sulfate engineered for demanding B2B applications in industrial coatings, engineering plastics, polyester fibers, and electronic inks. Produced via a proprietary sulfuric acid process with strict parameter control and multi-stage分级 filtration, it delivers exceptional particle uniformity and crystallinity. Its narrow particle size distribution (D50 = 0.7 µm), ultra-high purity (≥99.0 wt% BaSO₄), outstanding whiteness (≥98.0%), low oil absorption (12 g/100g), and neutral pH (8.0) make it ideal for high-gloss, low-viscosity, and color-sensitive formulations. The absence of sulfides, odor, and impurities ensures excellent chemical stability, compatibility with sensitive resins, and consistent performance in extrusion, dispersion, and coating processes across automotive, electronics, and construction materials supply chains.
1. Ultra-narrow particle distribution (D50 = 0.7 µm) ensures smooth dispersion and eliminates grittiness in high-end coatings and inks.
2. ≥99.0 wt% BaSO₄ purity and zero sulfide content guarantee superior chemical resistance and prevent discoloration or odor in sensitive applications.
3. Low oil absorption (12 g/100g) reduces resin demand and improves pigment efficiency in plastic and paint systems.
Store in a cool, dry, well-ventilated area away from direct sunlight and moisture. Shelf life is 24 months when sealed and stored under recommended conditions. Transport as non-hazardous general cargo; avoid exposure to rain or condensation during transit. For optimal dispersion, pre-mix with carrier liquid or resin using high-shear mixing; avoid prolonged dry grinding. Use appropriate PPE (dust mask, gloves, safety goggles) when handling to minimize inhalation or skin contact—though non-toxic, fine particulates may cause mechanical irritation.; Storage condition: 25 kg/bag; Shelf life: 25 kg/bag; Pack size: 25 kg/bag
