Iron green 836 is dark green color, the best pigment for colored floor bricks, rubber runway, coating and etc. 
Iron Content: 25% or more 
Oil absorption : 25-35 
Residue on sieve : 0.5% or less
Water soluble: 2.5% or less 
PH Value: Greater than or equal to 6.0 
Density: 0.4-0.8 
Color difference: Less than or equal to 0.8 
Tinting strength: 98-102