Equivalent grade:pe-68 chemical formula:c21h20br8o2 molecular weight:943.6 mainly used for plastics as flame-retardant, widely for pp, pe, ps, abs resin rubber fibre etc high molecular material and electronic industry. Especially for pp plastics. It is the most excellent flame-retardant for pp plastics to now. Item index appearance: white powder or grain melting point: bromine content: ¡y67% weight loss: ¡¨¹0.3% packing: pp woven bags lined with plastics keep airtight cas: 21850-44-2 Packing: pp woven bags lined with plastics keep airtight