棕刚玉是以优质磨料级矾土为原料，配以辅料，于电弧炉中经2250℃以上高温精炼制成。其自锐性好、磨削力强。棕刚玉主要用途有：可制成陶瓷砂轮，树脂砂轮，磨头，磨块、砂纸，砂带，砂布及抛光蜡，研磨剂，研磨膏，涂料等
棕刚玉磨料以铝矾土为主要原料经高温熔炼而成。
Corundum abrasive with bauxite as the main raw material formed at high temperature melting.
产品详细介绍 ： YCDF - 镀衣磨料是在棕刚玉磨料的基础上，在特定的温度下，镀上一层金属氧化物。
YCDF-iridium-coated BFA abrasive grains are kind of high-grade BFA, which is coated with a kind of oxide on a special temperature.
棕刚玉的派生品种，磨料由微小晶体构成，颜色与棕刚玉相似，强度高。
A basic variety of aluminium oxide, white colour its hardness is higher and toughness slightly lower than that of a.
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