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High Purity ultrafine Alumina

High Purity ultrafine Alumina
Click to see the original picture 		Product Name:High Purity ultrafine Alumina
Place of Origin:Peoples Republic of China
Post Date:June 21, 2009
Edit Date:June 21, 2009 		Company Name :
Detailed Product Description:
  • Brand Name: YFE
  • Place of Origin: Hebei China (Mainland)

white powder and shapeless with no flavor or taste.absorbs moisture easily but does not deliquesce, dissolved in sulphsulphuric

 

PurityAL2O3 > 99.98%
Particle sige 0.3~0.6um
Loose Density Type Y0.14~0.17g/cm3 Type a 0.27~0.50g/cm3
Specific surface Area 3-28 m2/g
Glowing Decrement type y≤3% Type a≤0.5%

Impurity Capacity≤%
K:25×10-4
Si:1×10-3
Mg:5×10-4
CU:5×10-4
Fe:1×10-3
Na2×10-3
Mn:5×10-4
Ca:5×10-4
Ti:5×10-4
Cr:5×10-4
Transmittance
When used for making high pressure sodium Lamps≥96

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