The un fired high alumina bricks are made from calcined one*grade high aluminaacting as the main component,and from less quantity of graphite acting as the reformativeaddition.
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美
- 以一级高铝矾土熟料为制砖主要原料,引入少量石墨为改性剂,并以磷酸铝为主要结合剂制备不烧高铝砖。