白刚玉是以工业氧化铝为原料，经电熔提炼结晶而成，它硬度略高于棕刚玉，韧性稍低，纯度高、自锐性好、磨削能力强、发热量小、效率高、耐酸碱腐蚀、耐高温热稳定性好。主要用于喷砂研磨抛光陶瓷制品涂料油石研磨石磨刀石磨具陶瓷膜磨片等
|
Al2O3 |
Fe2O3 |
Na2O |
MgO |
K2O |
CaO |
SiO2 |
|
≥99.30% |
≤0.07% |
≤0.28% |
≤0.01% |
≤0.02% |
≤0.04% |
≤0.1% |