Name Full Shade -- Tio2 Reduction Type Fe2O3 Oil absorption (g/100g) Res.on 325 mesh (%) Water Sol.Salts (%) Moisture (%) PH value Tamped Apparent Density g/cm3 Particle shape △E Compared with std. Tinting strength (%) (%) Iron Oxide Red HMT-HT110 ≥96 15~25 ≤0.05 ≤0.3 ≤1.0 4~7 1 Spherical ≤0.3 97~103 HMT-HT130 ≥96 15~25 ≤0.05 ≤0.3 ≤1.0 4~7 1 Spherical ≤0.3 97~103 HMT-HT140 ≥96 15~25 ≤0.05 ≤0.3 ≤1.0 4~7 1 Spherical ≤0.3 97~103 HMT-HT190 ≥96 15~25 ≤0.05 ≤0.3 ≤1.0 4~7 1.1 Spherical ≤0.3 97~103 Iron Oxide Yellow HMT-HT311 ≥86 25~35 ≤0.05 ≤0.3 ≤1.0 4~7 0.5 Acicular ≤0.3 98~102 HMT-HT810 ≥86 25~35 ≤0.05 ≤0.3 ≤1.0 4~7 0.5 Acicular ≤0.3 98~102 HMT-HT4910 ≥86 25~35 ≤0.05 ≤0.3 ≤1.0 4~7 0.6 Acicular ≤0.3 98~102 HMT-HT4920 ≥86 25~35 ≤0.05 ≤0.3 ≤1.0 4~7 0.6 Acicular ≤0.3 98~102 Iron Oxide Black HMT-HT722 ≥95 15~25 ≤0.05 ≤0.5 ≤1.0 4~7 1 Spherica ≤0.3 97~103