Features:
1) Total zinc calculated use ZnS and barium sulfate: 99% min.
2) ZnS: 28% min.
3) Zinc oxide: 0.6% max.
4) Color compared with standard sample: superior to tint reducing power,
compared with standard sample 100min
5) Volatile at 105°C: 0.3% max.
6) Water soluble matter: 0.4% max.
7) PH value of aqueous suspension: 6.0 - 8.0
8) Oil absorptiong/100g: 14 max.
9) Hiding power: no less than 5% of standard sample

Lithopone 28-30% (B301)

Sumtotal of Zinc (base on Zinc sulfate and barium sulfate)(m/m):99%MIN

Total Zinc amount (base on Zinc sulfate)(m/m) 28% MIN

105 Volatile (M/M):   0.3%MAX

Water extraction alkaline hardnessNeutral

COLOR(compare with the standard sample)PURE WHITE

Color Killing100%MIN

Oil Absorptiong/100g 14MAX

ZINC OXIDE0.6%MAX

After Soluble in water(m/m)0.4%MAX

Hiding Powercontrast ratioNOT LOWER THAN 5% OF STANDARD SAMPLE

Moisture0.1MAX

Residue on sieve63UM sieve pore(m/m)0.1%MAX

PH VALUE6-8