锐钛型钛白粉 HTA-121
分子式：TiO2 分子量：79.9
性质：比重 3.9，化学性质稳定
特点：本品外观白，光泽好，兰相，粒子细软、均匀，粒度分布窄，分散性好，消色力高，散射系数高，吸油量低，铁含量等杂质含量低。
产品外观：白色粉末
质量标准：
| Index | Technical specifications | |||
| TiO2 content, %（m/m） | ≥ | 98 | ||
| Whiteness (compared with first class standard) | No less than | |||
| Scattering power (compared with first class standard) | ≥ | 105 | ||
| Volatile matters at 105 ℃, %（m/m） | ≤ | 0.5 | ||
| pH value of water suspension | 6.8～8.0 | |||
| Oil absorption value, g/100g | ≤ | 21 | ||
| Residue on the sieve (45um mesh), % | ≤ | 0.05 | ||
| Electrical resistance of aqueous extract, Ωm | ≥ | 22 | ||
| Water dispersible power, % | ≥ | 80 | ||
| Iron content, ppm | ≤ | 50 | ||
| Index controlled by the company Gardner of dry powder | L | ≥ | 100.2 | |
| b | -0.60～-0.20 | |||
