... the excellent carbon as raw material ,which is produced by advanced craft procession . It is essential filter material in the single ... of services, drinks, minera water, purified water, wine industry, power, petroleum, steel industry, chemicals, papermaking, pharmacy, swimming pool, waste water.Advantages1 ... (%)≤1.6Clay content(%)≤4Void(%)47--53 superior quality and low price of anthracite coal