PA磨料:
PA磨料是採用拜耳氧化鋁經高溫電熔而成,並添加適量的氧化鉻。呈粉紅色,硬度與WA接近,但韌性高於WA。
化學成分:
規格 | 低鉻 | 中鉻 | 高鉻 | ||||||
三氧化二鋁 (%) | 三氧化二鉻 (%) | 氧化鈉 (%) | 三氧化二鋁 (%) | 三氧化二鉻 (%) | 氧化鈉 (%) | 三氧化二鋁 (%) | 三氧化二鉻 (%) | 氧化鈉 (%) | |
F12-F80 | ≥98.50 | 0.20-0.45 | ≤0.50 | ≥98.20 | 0.45-1.00 | ≤0.55 | ≥97.40 | 1.00-2.00 | ≤0.55 |
F90-F150 | ≥98.50 | ≤0.50 | ≥98.20 | ≤0.60 | ≥97.00 | ≤0.60 | |||
F180-F220 | ≥98.50 | ≤0.50 | ≥98.80 | ≤0.70 | ≥96.50 | ≤0.70 | |||
物理特性:
基本礦物質 | 晶體尺寸 微米 | 真密度 克/立方厘米 | 堆積密度 克/立方厘米 | 結硬度 公斤/平方毫米 |
α-Al2O3 | 600-2000 | ≥3.90 | 1.40-1.91 | 2200-2300 |
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