采购湖南产出口级标准纯化学合成H190氧化铁红

Specification H190 gao xing zhong cai:
ITEM H190
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 
Property: 1. Powder of brilliant colors. Eye-pleasing and perdurable.2. Strong coloring power, good covering power, and good dispersibility.3. Light permanency and weatherability.