Iron oxide blue :
1. Type:F100/F90
2. oil absorption:15-25
3. residue on bolted:≤0.1
4. water soluble:≤0.1
5. moisture:≤0.1
6. PH value:3-7
7. density:0.4-0.8
8. particle shape:in-regular
9. color difference vs standard:≤1
10.tinting strength:95-105
application:
1. tinting presswork such as coating,print-ink,paint,crayon