电炉喷补料采用烧结镁砂、合成镁砂为主要原料，经特殊的粒度级配加入复合结合剂制成，该产品具有附着率高、回弹少、易喷补等特点，主要用于碱性炼钢的喷补。
   Gunning refractory for EAF is made of magnesite clinker and synthetic magnesite with special granularitydistribution,and manufactured by adding composite binding agent.lt has the characteristics of high adhesiverate,less resilience and easy gunning etc.lt is mainly used for gunned repair of alkali steelmaking.