Product Description

1. Properties of quartz: Quartz is one of the most common and common raw materials of siliceous minerals. The main component is SiO2 , the density is 2.65g / cm3, the Mohs hardness is 7 . . The appearance is colorless, white, turquoise, etc.

 

2. quartz main purposes: quartz sand (powder) is mainly used for glass, refractories, ceramics, casting, petroleum, chemical, environmental, grinding and other industries.

 

3. Quality Standard of Quartz:

Chemical composition indicators used in the glass industry

Grade

SiO2

Al2O3

Fe2O3

TiO2

Cr2O3

Remarks

First grade

>99

<0.5

<0.05

<0.05

<0.001

For special technical glass

Level 2

>9 8

<1.0

<0.1



Industrial technology and advanced utensils

Level 3

>96

<2.0

<   1             



For tinted glass

                                                                                                                                                                             

Chemical composition indicators used in the ceramic industry

use

SiO2

Fe2O3

Al2O3

TiO2

K2O

Na2O3             

CaO

MgO

Electric porcelain

>99.5

<0.01

<0.2


<0.1

<0.1

<0.1

Electric porcelain

>98.5

<0.05

<0.1


<0.1

<0.1

<0.1

Building, daily ceramics

>98.5



0.5




 

Chemical composition index for metallurgical industry

Use

SiO2

Al2O3

Fe2O3

CaO

P2O5

TiO2

Refractory degree ℃

Special grade for silicon brick

≥ 98

≤ 0.5

≤ 0.5

≤ 0.5



1750

First-class products for silicon brick

≥ 97.5

≤ 1.0

≤ 1.0

≤ 0.5



1730

Second grade products for silicon brick

≥ 96.5

≤ 1.5

≤ 1.5

≤ 1.5



1710

First-class products for ferrosilicon

≥ 97.5

≤ 1.0


≤ 0.3

≤ 0.02



Secondary products for ferrosilicon

≥ 96.5

≤ 1.5


≤ 1.0

≤ 0.03



 

4 , the main specifications quartz: 4-6 mesh , 6-10 mesh , 10-20 mesh , 40-70 mesh , 100-200 mesh , 270 mesh , 325 mesh , 400 mesh , 500 mesh and a variety of quartz gravel .

 

 


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