Anthracite -Typical Analysis

Grade 

 

  Size 

(mm)

  Effective  

  Size (mm)   

Uniformity

coefficient

1   0.6-1.2 0.7   below 1.5
1N 0.8-1.6 0.9 below 1.5
2 1.2-2.5 1.3 below 1.5
2N 1.4-2.5 1.6 below 1.4
3 2.5-5.0 2.6 below 1.5
       
4 5.0-10.0

nominal 85% 

within size range
5 10.0-20.0

-

-

6 20.0-40.0 

-

-

7 40.0-80.0 

-

-

       
       
   

Bulk density:   

720kg/m³
   

Special gravity:

1.40-1.45
   

Hardness:        

5.0 Moh
   

Attrition loss:  

 

 0.4% max. after 100 hours backwash
    Solubility: 

 

 

1.5% max. by weight in 10% HC1 at 20º C

1.5% max. by weight in 10% NaOH at 20º C

 

Carbon     + 90%            Bulk Density


Moisture    1%                720 Kg / m³


Volatiles     5%               Hardness


Ash            4%                4 - 5 Mohs


Density       1.4 g / cm³

 

 

 

 

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  Sales Office :-  017684  837 26 Tel /Fax :-  017684   836 10

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