Iron Oxide Black

*Purity % ≥:94
*Tinting strength %:95-105
*Oil abosrption g/100g:15-25
*Moisture % ≤:1.0
*Water soluble matter% ≤:0.5
*△E ≤:1.0
*PH value:5-8
*Tamped apparent density:0.8-1.2
*Res. on 325 mesh % ≤:0.4