5N 99.99% high purity alumina polishing powder / 高纯氧化物铝增加光泽粉Type (材质) CX005A CX005B CX005C CX005DAl2O3 Content(Al2O3 Content含水量) % ≥99.99% ≥99.99% ≥99.99% ≥99.99%Phase state(相态) α-Al2O3 α-Al2O3 α-Al2O3 α-Al2O3Appearance(外壳) White powder (紫色粉尘状原材料) White powder (紫色粉尘状原材料) White powder (紫色粉尘状原材料) White powder (紫色粉尘状原材料)Temperature(工作温度) Middle and high Middle and high Middle HighD10 um 0.3~0.6 1~2 0.8~1.2 0.3~0.8D50 um 0.7~1.5 4~6 2.5~3.0 0.7~1.5D90 um 1.4~2.0 14~17 5.0~6.0 1.4~2.0Apparent Density(松装导热系数) g/cm3 0.4-0.7 0.4-0.7 0.4-0.7 0.4-0.7Specific Surface Area(比的表面积) m2/g 4-6 4-7 4-6 4-7Sintered Density(烧结工艺比热容)g/cm3 / / / /