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白刚玉 [bái gāng yù]
white fused alumina
white alundum
white alundum
- 黑色，有光泽，硬度比白刚玉高，韧性较低。
Black colour,its hardness is higher than that of WA,its toughness is a bit lower. - 白刚玉的派生品种，玫瑰红色，比白刚玉韧性高，棱角保持好。
Derived from WA,rose colour.Its toughness is greater than that of WA. Hence wheel corner can be well held. - 黄色或灰白色，颗粒系单晶体、硬度、韧性、强度都比白刚玉高。
Yellowish or grey,the grains are single crystal with great strength,toughness and hardness.
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