Detailed Product Description

Spec. of B311
1) ZnS and barium sulfate: min. 99%

2) ZnS: min. 30%

3) Zinc oxide: max. 0.3%

4) Color compared with the standard sample: superior

5) Tint reducing power, compared with the standard sample: min. 100%

6) Volatility at 105°C: max. 0.3%

7) Water soluble matter: max. 0.4%

8) pH value of aqueous suspension: 6.0 - 8.0

9) Oil absorption: max. 12g/100g

10) Hiding power: not less than 5% of the standard sample

Spec. of B301

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