Proerties: Silvery White,piece or granule. Product Specification: PPmwt.max Sb-4N Sb-5N Sb-6N Sb-7N Ag 1.0 0.05 0.01 0.002 Au 1.0 0.20 0.05 0.02 0 As 10 0.50 0.30 0.020 Cd 2.0 1.00 0.01 0.003 Cu 1.0 0.05 0.01 0.002 Fe 2.0 0.50 0.05 0.001 Mg 2.0 0.20 0.05 0.005 Ni 1.0 0.20 0.05 0.005 Pb 10 0.50 0.05 0.005 Zn 5.0 0.50 0.05 0.02 0 S 20 0.50 0.10 - Si 5.0 1.00 0.10 - Bi 5.0 0.20 0.02 0.001 Mn 1.0 0.05 0.01 0.001 Total Max 100ppm 10ppm 1ppm 0.1ppm Size 3-25 mm 90% Min Application: Used as adulterant in III-V compound semiconductor ,high purity alloy,sulfuration antimony,refrigeration component and single crystal of silicon and germanium,etc. Packing: Vacuum Packing, 5kg/bag,6x5 bags/ case ,Packing Measurement:40x25x20 (cm). tel:86013874845374 Mr Huang