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1·White fused alumina products including section sand, grain-size sand; fine powder and micro powder are widely used in refractories, abrasives and other industries.

白刚玉段砂、粒度砂、细粉、微粉在耐火材料、磨料磨具等不同行业具有广泛的用途。

2·Similar hardness and white fused alumina, white fused alumina than in the high toughness, abrasive cutting edge sharp edges and corners to keep good, high durability.

与棕，白刚玉相比硬度高，韧性大，呈单颗粒球状晶体，具有良好的多棱切削刃，抗破碎较强。

3·With brown, white fused alumina compared to high hardness, toughness, showed a single particle spherical crystal, has a good multi-row cutting edge, strong anti-crushing.

与棕，白刚玉相比硬度高，韧性大，呈单颗粒球状晶体，具有良好的多棱切削刃，抗破碎较强。

4·White fused alumina for sandblasting abrasive is processed by high quality corundum from Rui Shi abrasive Plant as raw material and utilized by unique advanced technology.

白刚玉喷砂磨料以锐石公司优质白刚玉砂为原料，采用现代新型独特工艺技术精制而成。

5·During 18 years of trails and hardships, Jinbo has put up 8 wholly-owned white fused alumina production lines, 3 mullite production lines and 2 magnesia alumina spinel production lines.

在18年的风雨历程之中，金渤按计划陆续投产了8条全资白刚玉生产线、3条莫来石生产线、2条镁铝尖晶石生产线。

6·The paper describes the microcomputer control system and its hardware and software used in fused alumina smelting electric arc furnace. It summarizes the application effect of the control system.

本文介绍了电弧炉在刚玉冶炼中采用的微机控制系统以及硬件和软件，并对运行的效果进行了总结。

7·Available standard MA-spinel bricks differ mainly in the type of magnesia and in the amount and type of their alumina carrier (sintered and fused MA-spinel, calc. alumina, white fused alumina, etc. )

目前各种标准的镁铝尖晶石砖主要在氧化镁的数量、种类和它们铝载体的种类（烧结和电熔镁尖晶石、钙，氧化铝，白电熔等）方面有很大的不同。