Fe as Fe3O4 11 % ¡Ý96£®0
Water soluble salts % ¡Ü0.3
pH-Value 9¡«10
Res.on 325 mesh % ¡Ü0.05
Moisture % ¡Ü0.8
Oil absorption ml/100g 26¡«30
SO4 % ¡Ü0.1
Shade compared with Std. ¦¤E¡ï
Relative tinting strength %
Bulk density g/ml 0.30
Speciffic gravity g/ml 5.0
Particle size by BET method ¦Ìm 0.27
Predominant particle size ¦Ìm
Heat-resistant temperature ¡æ
*An original examination method |