China Manufacturer Concrete Pigment Powder Iron Oxide Red for Brick Paving Stone, Find details about China Iron Oxide, Iron Oxide for Pigment from China Manufacturer Concrete Pigment Powder Iron Oxide Red for Brick Paving Stone
Item | Red | Yellow | Black | Green | Orange | Blue | Brown |
Content % | ≥96 | ≥86 | ≥90 | ≥88 | ≥88 | ||
Oil absorption ml/100g | 15-25 | 25-35 | 15-25 | 25-35 | 20-30 | 25-35 | 20-30 |
Res.on 325 mesh % | ≤0.3 | ≤0.3 | ≤0.5 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 |
Water soluble salts % | ≤0.3 | ≤0.3 | ≤0.5 | ≤0.3 | ≤0.3 | ≤2.5 | ≤0.5 |
Moisture % | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 |
PH value | 3-7 | 3-7 | 5-8 | 6-9 | 3-7 | ≥6.0 | 4-7 |
Tamped apparent density g/cm3 | 0.7-1.1 | 0.4-0.6 | 0.8-1.2 | 0.4-0.8 | 0.4-0.6 | 0.4-0.8 | 0.8-1.2 |
Particle Shape | Spherical | Acicular | Spherical | Irregular | Irregular | Irregular | Irregular |
Tinting Strength % | 95~105 | 95~105 | 95~105 | 95~105 | 95~105 | 95~105 | 95~105 |
Color Difference △E | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 |