Iron Oxide Black 770 Pigment

The oxidized iron oxide black abbreviation iron oxide black, chemical name Fe3O4.It has the saturated blue ink light black, the relative density is 4.73, the hiding power and the tinting strength are very high, is extremely stable to the light and the atmospheric function, does not dissolve in the alkali, slightly soluble in diluted acid, in concentrated acid then dissolves completely, the thermally stable energy balance, easy to oxidize under the high temperature, produces the red ferric oxide, it also has the very strong magnetism, can be effective absorption by the magnet. Use: Be applied in varnish, paint, building, plastic rubber andetc. PRODUCT STANDARD NAMEGRADE 1GRADE 2Shape black powder black powderDegree of fineness (300 item Humidity Filter Residue, ≤%) 0.31Water(90 degree dry, ≤%) 1.5 2.0PH of Water extraction(≤%)5-7 5-7Water soluble(≤%) 0.5 1Fe2O3(dry≥%) 9690Item nr. 330 722 770