技术指标(SPEC):
- FE2O3(含量) 86% min
- OIL ABSORPTION(吸油量) 25-35 g/100g
- SIZE(粒度):325 mesh
- water solubles(水溶物) 0.3% max
- moisture(水份) 1.0% max
- pH value(Ph 值) 3-7
- compared with standard(色差): 1% max
- tinting strength(着色力): 95-105%