2. ABOUT THE PRODUCT Place of Origin: Hubei, China (Mainland) Application: Industry Dimensions: Customized Shape: Powder Color:Grey Atomic Number: 48 Atomic Weight: 112.41 Purity: 4N-5N Specification: 100 mesh Delivery time: Within 5 days Certificate: GB/T19001-2008/ISO9001:2008 CAS: 7440-43-9