Zhengzhou Zhixing Mineral Co., Ltd.

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1. Aluminium Hydroxide

Item Chemical Composition grain diameter
D50 um
Al2O3
>= ignition loss
<= Moisture
<= Impurity content
SiO2 <= Fe2O3<= Na2O<= >=
TAH-125 64.5 35 0.3 0.02 0.01 0.2 125
TAH-110 64.5 35 0.3 0.02 0.01 0.2 110
TAH-1 ...

2. Calcined Alumina,Reactive Alumina

Name Index value Analysis result Note
AL2O3 99.99%Min 99.995%
Na 0.001%Max 0.0002%
Si 0.0012%Max 0.001%Max
Mg 0.0006%Max 0.0002%Max
Ca 0.0002%Max 0.0001%Max
Cr 0.0003%Max ...

3. Fused Silica

Item Fused Silica
Fused Silica Block Fused Silica Sand Fused Silica Powder Crystal Silica Powder Cristobalite Silica Powder
SiO2 99.9% 99.9% 99.8% 99.6% 99.5%min
Al2O3 30ppm 30ppm 0.2% 0.3% 0.25%max
Fe2O3 20ppm 30ppm ...

4. Brown Fused Alumina

Items Unit Index Typical
Chemical
composition Al2O3 % 95%min 95.5%
SiO2 % 1.50max 1.33%
Fe2O3 % 0.50max 0.18%
Ti2O % 3.50max 2.45%
CaO % 0.30% 0.11%
Melting point 2050
Refractoriness 1980
True density g/cm3 3.90min
Mohs hardness --- ...

5. White Fused Alumina

For Abrasives and Refrqactory
Al2O3 99.2%min, SiO2 0.2%max, Fe2O2 0.1%max, Na2O 0.4%max
We can supply over 30000mt per year

White Fused Alumina(WFA or WA)is made from chemical by Higgns furnace or Tilting furnace at high temperature.It ...