| Description:
Iron Oxide Red:
Appearance: Red powder, mixed acid production
Quality index:
| Item |
Indicators |
| GB GB/T3185-92 Index |
First-class product |
| Fe2O3 content,% (m / m) ≥ |
95 |
| Color (standard sample with the standard ratio) |
Of not less than |
| Reducing power (compared with standard sample) ≥ |
100 |
| 105 ℃ volatile matter,% (m / m) ≤ |
0.5 |
| After 32 ± 2 ℃ and relative temperature (50 ± 5)% after 24h pretreatment, 105 ℃ volatile matter,% (m / m) ≤ |
0.5 |
| Water-soluble matter,% (m / m) ≤ |
0.5 |
| Suspension PH value of water |
6.5-8.0 |
| Oil absorption, g/100g ≤ |
26 |
| Sieve residue (45um, sieve),% (m / m) ≤ |
0.10 |
| Water extract electrical resistivity, Ωm ≥ |
20 | |