Variety: Iron oxide brown 545, 565, 842, 841
Characteristics: Brown powder, a kind of alkaline oxide with relatively stable chemical property, not soluble in alkalis, slightly dissolved in acids, completely dissolved in thick hydrochloric acid without any reaction with water.
Uses: Mainly in coating, paint, also as coloring agent for building material, rubber, PVC plastic etc.
|Shade||Similar||Note:Compared with standard sample|
|Tinting strength %||100+/-5||Note:Compared with standard sample|
|Oil absorption %||25-35|
|Fineness(residue through 320mesh) %||max.0.5|
|Water soluble matter %||max.0.5|
|Fe2O3 content %||min.85|