2. ABOUT THE PRODUCT Place of Origin: Hubei, China (Mainland) Application: Metallurgy Symbol: Te Atomic Number: 52 Atomic Weight: 127.60 Density: 6.24 gm/cc Melting Point: 449.5 ? Boiling Point: 989.8 ? Color: Silver Grey Specification: 0.5-5mm Delivery time: Within 5 days CAS: 13494-80-9 Certificate: GB/T19001-2008/ISO9001:2008