pecification H130 gao xing zhong cai:
ITEM   H130
Fe2O3 content    95% Min
Volatile 105℃    1% Max
Water solubility    0.3% Max
Residue after sieve(mesh 325 wet sieve)   0.3% Max
PH value   4-7
Oil absorption   15-25
Color light(compare with standard sample)  Similar-light
Tinting Strength   95% Minimum