改性超细沉淀硫酸钡
产品指标
改性超细沉淀硫酸钡是采用合成控制和表面改性技术，使硫酸钡的粒径更细，粒度分布更集中，并且有更优良的分散性及相容性。
型号：GXY101——具有疏水亲油性。
B—102——在水性及油性系统中都有较好的润湿和分散性。
Items | HG/T2774-2009 index | Standard index of our company | Sample from one batch |
BaSO4 content(calculated by dry base)，% | ≥97.0 | ≥97.0 | 97.3 |
Volatile Matter at 105℃，% | ≦0.20 | ≦0.20 | 0.12 |
Matter soluble in water，% | ≦0.50 | ≦0.50 | 0.18 |
Fe content,% | ≦0.004 | ≦0.004 | 0.002 |
Whiteness | ≥95 | ≥97 | 98.2 |
Oil absorption value，g/100g | 20~30 | 10~15 | 11.0 |
PH value（100g/L suspension liquid） | 6.5~9.0 | 6.5~9.0 | 7.4 |
Partice Diameter | Neutral particle size，μm | ≦0.5 | ≦0.5 | 0.4 |
Less than 5μm,% | — | ≥99 | 99.5 |
Less than 20μm，% | ≥99.2 | — | 100.0 |
