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F-300 is a high-performance modified ultrafine precipitated barium sulfate developed by Yunfu Hongzhi New Materials Co., Ltd. using an exclusive sulfuric acid process with stringent parameter control and multi-stage classification filtration. It features exceptionally narrow particle size distribution (D50 = 0.3 µm), high purity (≥97.0 wt% BaSO₄), superior whiteness (≥98.0%), low surface energy, and excellent organic surface modification for enhanced compatibility. Widely adopted in engineering plastics, color masterbatches, and functional composites, F-300 significantly improves gloss, color vibrancy, mechanical strength, corrosion resistance, and cost-efficiency without compromising processability. Its sulfur-free, odorless, black-spot-free profile ensures batch-to-batch consistency and regulatory compliance for demanding B2B applications across plastic products, coatings, and advanced materials manufacturing.
1. Ultrafine D50 of 0.3 µm ensures exceptional dispersion and optical clarity in polymer matrices.
2. ≥97.0 wt% BaSO₄ purity and absence of sulfides guarantee chemical stability and product safety.
3. High whiteness (≥98.0%) and low oil absorption (15 g/100g) enhance brightness and reduce resin demand.
4. Surface-modified structure delivers outstanding compatibility with polyolefins, ABS, PS, and PVC.
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 contamination and physical damage to packaging. Pre-mixing via high-shear compounding or twin-screw extrusion is recommended for optimal dispersion; avoid excessive shear that may degrade surface treatment. Use standard industrial hygiene practices: wear dust mask, gloves, and safety goggles during handling to minimize inhalation or skin contact with fine powder.; Storage condition: woven polypropylene bag with inner PE liner; Shelf life: woven polypropylene bag with inner PE liner; Pack size: woven polypropylene bag with inner PE liner
