for Catalyst in Organic Synthesis Industry 99.99%Min Rhenium Metal Powder. High Purity Grades: Available in 4N (99.99% min) and 5N (99.999% min) purity levels. Versatile Applications: Used for heat-resistant alloys, thermocouples, filaments, and organic synthesis catalysts. Factory Direct Supply: Direct manufacturer with OEM/ODM services and flexible customization options. Fast Delivery: 5-10 days for in-stock items; 15-20 days for customized orders based on quantity. Free Samples: Free samples available, though freight costs are borne by the buyer. Flexible Payment: Accepts T/T, LC, D/P, PayPal, Western Union with flexible terms for large orders. High Boiling Point: Features high boiling point characteristics suitable for high-temperature applications. Detailed Composition: Strictly controlled impurity levels including Na, Ti, Cu, Sb, Mg, V, Zn, etc.