一种新型的铅液覆盖剂

A New Type Agent Covering Lead Liquid

煤中加入辅料，成型后经高温烧结作为铅液覆盖剂，具有不燃烧、不挂铅、强度高、覆盖效果好等多项优点，恒力集团公司自１９９０年以来的使用表明，新型覆盖剂的效能优于木炭粉。

The new type agent covering lead liquid is made by adding accessory material into coal,then sintering its shaped product in high temperatureThe agent with high strength and good covering effects won't burn and hang leadAfter having been used by Hengli Group Co since 1990,it shows that its efficacy is better than that of charcoal powder