Red Iron Oxide pigment, Grade K

Red Iron Oxide pigment | Grade K

Red Iron Oxide is used as a colorant and extender in the manufacturing of paints and varnishes,
construction materials, rubber, and leather. Also used in ferrous metallurgy and electrical.

Product Description

Products: Red iron oxide pigment, Grade K
Appearance: Synthetic powder pigment of red-brown color.

Product Information

Specification: TU 2322-005-17547702-2014
ISO Standard: 1248-74
CAS No.: 1309-37-1

Physical And Chemical Properties

Fe2O3, wt% min. 96.0
Not soluble in hydrochloric acid residue, wt% min. 0.3
Volatile matters, wt% max. 0.5 ISO 787-2-81
Water-soluble substances, wt% max. 0.5 ISO 787-3-91
Residue on a sieve with net 0063, wt% max. 0.30 ISO 787-7-81
ISO 787-18-83
pH of water suspension 5 – 8 ISO 787-18-81
Oil absorption, g/100 g of the pigment 19 – 21 ISO 787-9-80
Opacity, g/m2 5 – 7
Dispersibility, µm 12 – 15 ISO 8780-4
Total color difference, ΔE from the reference sample max. 2.0 ISO 787-1


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