Al2O3(%)
|
Na2O(%)
|
|
F12-F80
|
≥99.3
|
≤0.45
|
F90-F150
|
≥99.2
|
≤0.45
|
F180-F220
|
≥99.0
|
≤0.45
|
基本矿物
Basic minerals |
晶体尺寸
Crystal size μm |
真比重
True density g/cm3 |
堆积密度
Bulk density g/ cm3 |
显微硬度
Knoop hardness kg/mm2 |
α-Al2O3
|
600-1400
|
≥3.90
|
1.5-1.95
|
2200-2300
|
化学成份:Chemical composition
物理性能: Physical property
水洗棕刚玉P砂 Water-washed P grains of brown fused alumina
棕刚玉整形砂
The shaped brown fused slumina
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
铬刚玉是以氧化铝为主要原料,适配氧化铬等。经高温熔炼而成。呈粉红色、硬度与白刚玉近似,韧性比白刚玉高。用其制造的磨具,度好,磨加工光洁度高。适用于量具,机床主轴,仪表零件、螺纹工件及样板磨等精密磨削。
lts main material is bayer alumina,which is electrically fused in high temperature,being added with the right quantity of oxidized chromium. lt is pink.lts hardness is close to,but toughness higher than that or WA.The abrasive tools made of it feature excellent durability and high processing cleanness,which are suitable for the precision grinding of the measuring tools,lathe main shafts,instruments and apparatus parts,threading workpieces and samplers,etc. 化学成分:Chemical composition
|