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Quality Standard for Zircon Concentrate
Oct 11, 2018

Quality Standard for Zircon Concentrate


Introduction: 

Zircon sand is often symbiosising in beach sand with ilmenite,rutile,monazite, which will be get by washing, magnetic and electrostatic separating. Its composition is ZrO2:67.1%;SiO2:32.9%.

The pure zircon sand is colorless transparent crystals, but because of the difference of impurites types and quantities, the zircon sometimes shows like brown.The hardness is 7.8, the proportion is 4.6-4.71, refractive index is 1.93-2.01, melting point is 2550℃.


Grade standard:

Super-Grade1-Grade2-Grade3-Grade4

(Zr.Hr)O2≥65.00≥65.00≥65.00≥63.00≥60.00≥55.00

TiO2≤0.30≤0.50≤1.00≤2.50≤3.50≤8.00

Fe2O3≤0.10≤0.25≤0.300.500.801.50

P2O3≤0.200.250.350.500.801.50

Al2O3≤0.800.800.801.001.201.50

SiO2≤34.0034.0034.0033.0032.0031.00

Application:

1.Refractories

2.Casting sand for foundry industry

3.Ceramic 

4.Glass

5.Zirconium compounds

Zircon sand.jpg

gold.jpg copper.jpgChrome.jpg
 lead-Zinc.jpgIron.jpg
Granite.jpg manganese.jpgQQ图片20180319161915.jpg
 QQ图片20180319161857.jpgrutile-Monazite.jpg 


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