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Technical specifications:(standard:Q/SNBJ1-2012 | ||
property | R218 | |
TiO2 content % | ≥94.0 | |
Rutile content % | ≥98.0 | |
Color (compared with standard sample) | Not lower than | |
∆L*(sample-standard sample) | ≥-0.3 | |
∆s=(∆a2+∆b2)0.5 | ≤0.5 | |
Mater soluble in water % | ≤0.5 | |
Matter volatile at 1050C | ≤0.5 | |
Residue on sieve 45µm % | ≤0.1 | |
PH of aqueous suspension | 6.5-6.8 | |
Brightness % | ≥96.0 | |
Oil absorption g/100g | ≤21 | |
Tinting strength , reynolds number | ≥1800 | |











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