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Physicochemical properties of main products

Description Asahi #95 Asahi #80 Asahi #70 Asahi #70L Asahi F-200GS Asahi #65 Asahi #60HN Asahi #60U
Test items
Average particle size(nm)*1 17 22 28 27 38 44 40 43
Surface area(m2/g)*2 147 117 77 84 55 42 48 41
Iodine adsorption number(mg/g) 150 120 80 85 55 42 52 41
Tinting strength(%) 133 115 100 110 71 62 64 62
DBP absorption number(ml/100g) 127 115 101 75 180 120 130 110
Heating loss(%) 0.6 0.4 0.3 0.3 0.3 0.3 0.3 0.3
Ash content(%) 0.2 0.3 0.3 0.3 0.2 0.3 0.3 0.3
Volatile content(%) 1.0 1.5 1.3 1.2 0.7 0.7 0.7 0.7
Description Asahi #55 Asahi #50HG Asahi #52 Asahi #51 Asahi #50U Asahi #50 Asahi #35 Asahi #22K
Test items
Average particle size(nm)*1 66 85 60 91 70 80 78 92
Surface area(m2/g)*2 25 22 28 20 30 22 21 21
Iodine adsorption number(mg/g) 24 20 22 17 27 22 22 20
Tinting strength(%) 48 37 45 40 51 44 41 44
DBP absorption number(ml/100g) 87 112 128 67 65 62 50 27
Heating loss(%) 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.2
Ash content(%) 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3
Volatile content(%) 0.6 0.6 0.7 0.6 0.6 0.6 0.5 0.5
Description Asahi #15HS Asahi #15 Asahi #8 Asahi Thermal Asahi AX-015
Test items
Average particle size(nm)*1 120 122 120 80 19
Surface area(m2/g)*2 14 15 12 26 145
Iodine adsorption number(mg/g) 14 12 12 28 154
Tinting strength(%) 26 34 38 52 118
DBP absorption number(ml/100g) 85 40 30 29 147
Heating loss(%) 0.3 0.2 0.5 0.2 1.0
Ash content(%) 0.3 0.3 0.3 0.3 0.3
Volatile content(%) 0.5 0.5 0.5 0.5 1.5

*1:Electron microscope *2:Nitrogen adsorption method

Note)Assorted grades of low-sieve residue/low-grit products