2. About The Product Place Of Origin: Hubei, China (mainland) Application: Industry Symbol: Te Purity: 5n-7n Atomic Number: 52 Atomic Weight: 127.60 Density: 6.24 Gm/cc Melting Point: 449.5 ? Boiling Point: 989.8 ? Color: Silver Grey Specification: Irregular Lump, 1-20mm Delivery Time: Within 5 Days Cas: 13494-80-9 Certificate: Gb/t19001-2008/iso9001:2008