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10-100 Mm 90%Calcium Fluoride for Industry Grade (CaF2). Metallurgical Flux: Enhances slag fluidity and removes sulfur and phosphorus in steel manufacturing. Versatile Applications: Used in non-ferrous metallurgy, welding, optical elements, and decorative crafts. Custom Shapes: Available in Briquette or Ball shapes to meet specific industrial requirements. Free Sample Offer: 100-500g free samples provided; freight refundable upon bulk order placement. Fast Lead Time: Standard lead time is 2-3 weeks, with off-season delivery within 15 workdays. Flexible Payment: Accepts T/T, L/C, PayPal, and Western Union for convenient transactions. Comprehensive Docs: Supplies COA, MSDS, Origin Certificate, and other necessary trade documents.