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  ELECTRODE COAL TAR PITCH CERTIFICATE  
 
Seller (exporter) Name of normative Number and validity of sanitary and epidemiology report    
BSSB / TEXXIMGAS GOST 10200-83
Sanitary and epidemiology report No. 66.01.40.070.1.003504.10.07  
    Quality Indicators    
 

Grade  

A B B1 A
Melting point, C 65-70 67-73 72-76 85-90
Percentage of water, in solid pitch, not more than 4 4 4
Percentage insoluble in toluene, not more than 24-28 25-31 26-31  not less than 31
Percentage insoluble in quinoline, not more than 7 8 10 12 
Ash content %, not more than 0,3 0,3 0,3  0,3
Percentage of volitale matter yield, not more than   59-63 58-62   59 53-57 

Residue from fractionation of tar pitch. Used as a binding agent for all kinds of coal graphite materials, electrode products, electrodes and anodes, construction coal graphite materials, electro-coal formed products.