Published by Kiro at 2020-09-25 HTR-628 是采用氧化锆、氧化铝进行复合无机包膜,用特殊有机处理剂进行表面改性,具有白度优良、易分散、同时具有亲水和亲油功能,适用于大多数的应用领域,是一种多功能、通用型的金红石型钛白粉;可广泛应用于涂料、塑料、油墨、造纸等领域。 典型技术指标 Index Technical specifications Inorganic surface treatment AL2O3,ZrO2 Organic surface treatment Yes TiO2 content % (m/m) ≥ 93 Brightness % ≥ 94.5 Tint reducing power, Ryenolds number, TCS ≥ 1900 Volatile matters at 105 ℃, %(g/100g) ≤ 0.5 Water soluble matters, % ≤ 0.5 pH value of water suspension 6.5~8.5 Oil absorption value, % (m/m) ≤ 20 Electrical resistance of aqueous extract, Ωm ≥ 80 Residue on sieve (45 um mesh), % (m/m ) ≤ 0.02 Rutile content, % ≥ 98.0 Whiteness, (compared with standard sample) No less than Oil dispersible power (Hegemann nukber), ≥ 6.0 Index controlled by the company Gardner of dry powder L ≥ 100.0 b ≤ 1.80 Dispersibility underhigh-speed stirring μm ≤ (Typical application under certain indigents)