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