refractory material,Flame-Retarded Magnesium Hydroxide (Produced in ore processing method) refractory materialClassMagnesium Hydroxide Name[053] Flame-Retarded Magnesium ... universally used in polymer materials of rubber, chemical industry, construction material, plastic (polypropylene, polyethylene, PVC and EPDM, etc.), electron ... Gross Weight: 25.25KG Net Weight: 25KGtal powder refractory material