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The pigment red iron oxide brand KR-303 has a red-brown color.
The pigment brand KR-303 is similar in color and physicochemical characteristics to Czech pigments.
型号:
描述
Safety requirements:
According to the degree of exposure to the body, the red iron oxide pigment belongs to hazard class IV according to GOST 12.1.007. The pigment is iron oxide fire and explosion proof.
Physico-chemical characteristics:
Mass fraction of iron compounds in terms of Fe2O3,%, not less than 96
Mass fraction of residue insoluble in hydrochloric acid, not more than 0.5%
Mass fraction of volatiles not more than 0.5%
Mass fraction of water-soluble substances no more than 1%
pH of aqueous extract 5-8
Oil consumption g / 100 g pigment, not more than 28
The residue after wet sieving on a sieve with mesh 0063 is not more than 0.05%
Spreading rate not more than 7 g / m2
Dispersibility no more than 30 microns
Color within acceptable samples
Full color difference ΔЕ not more than 1 from the matched samples
According to the degree of exposure to the body, the red iron oxide pigment belongs to hazard class IV according to GOST 12.1.007. The pigment is iron oxide fire and explosion proof.
Physico-chemical characteristics:
Mass fraction of iron compounds in terms of Fe2O3,%, not less than 96
Mass fraction of residue insoluble in hydrochloric acid, not more than 0.5%
Mass fraction of volatiles not more than 0.5%
Mass fraction of water-soluble substances no more than 1%
pH of aqueous extract 5-8
Oil consumption g / 100 g pigment, not more than 28
The residue after wet sieving on a sieve with mesh 0063 is not more than 0.05%
Spreading rate not more than 7 g / m2
Dispersibility no more than 30 microns
Color within acceptable samples
Full color difference ΔЕ not more than 1 from the matched samples