牌号 | 含量 | 着色力 | 色差 | 粒子形状 | 吸油量 | 筛余物 | 水溶物 | 水份 | PH值 | 密度 |
Product Code |
Purity,% | Tinting strength |
△E | Particle shape |
Oil Absorption |
Res.on 325mesh |
Water Sol.Salts |
Moisture | PH Value | Density |
Fe₂O₃or Cr₂O₃ |
(%) | 与标准相比 | (ml/100g) | (%) | (%) | (%) | (g/cm3) | |||
测试方法 | BS1014 | ISO8781-1 | 电子显微照片 | ISO787-5 | ISO787-7 | ISO787-3 | ISO787-2 | ISO787-9 | ISO787-10 | |
313 | ≥86 | 95~105 | ≤1 | 针状 | 25~35 | ≤0.3 | ≤0.3 | ≤1.0 | 3~7 | 4.1~4.3 |
920 | ≥86 | 95~105 | ≤1 | 针状 | 25~35 | ≤0.3 | ≤0.3 | ≤1.0 | 3~7 | 4.1~4.3 |