Certificate of Analysis
Item: Lithopone B 301 B311
Appearance:
Ba + SoO4(as ZnS)m/m 99% min 99% min
Zinc (as ZnS)m/m 28% min 30% min
Zinc Oxide m/m 0.6% max 0.3% max
Volatile at 105℃ m/m 0.3% max 0.3% max
Water soluble substances m/m 0.4% max 0.3% max
Residue on sieve(63um mesh) m/m 0.1% max 0.1% max
Oil absorption g/100g 14% max 10% max
Color (compare with close to close to
Standard sample)
Tint reducing power(compared with 100%min 105%max
Standard sample)
Packing: 25kg or 50kg P.P. bag 25- 27MT/20’FCL