Product description
| Products: | Red iron oxide pigment, Grade K. |
| Appearance: | Synthetic powder pigment of red-brown color |
| Product Information: | Specification: TU 2321-005-17547702-2014, ISO Standard: 1248-74, CAS No. : 1309-37-1 |
Red Iron Oxide Pigment | Grade K
RED IRON OXIDE PIGMENT 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 engineering.
Physico& Chemical properties
| Fe2O3, wt % | min. 96.0 | – |
| Not soluble in hydrochloric acid residue, wt % | max. 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 787-9-81 |
| Oil absorption, g/100g of pigment | 19 – 21 | ISO 787-5-80 |
| 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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