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高純鎂砂：選用天然特級(jí)菱鎂礦石浮選提純輕燒、細(xì)磨、壓球、超高溫油豎窯煅燒燒而成。是制磚、不定形耐火材料優(yōu)質(zhì)原料。
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Brand		 理化指標(biāo) Phsical? and chemical? ?Specification 顆粒組成
Size（mm)
Mgo（%）≥ SIO2（%）≤ Cao（%）≤ Fe2O3（%）≤ lgL%≤ B.D(g/cm3)
DBM-97.5 97.5 0.6 1.2 0.7 0.3 3.27 0-30
DBM-97 97 0.7 1.4 0.8 0.3 3.25
DBM-96.5 96 1.0 1.4 0.8 0.3 .32