GB/T 1707 1995

 Item  

Index  

B301

B311

Best quality

First quality

Qualifier

Best quality

First quality

Qualifier

Total zinc(ZnS) and Barium sulfate, %(m/m) =

99

99

Totla zinc (ZnS), %(m/m) =

28

28

Zinc oxide, %(m/m) =

0.6

0.8

1

0.3

0.3

0.5

105°C volatiles, %(m/m) =

0.3

0.3

0.5

0.3

0.3

0.5

Water insolubles, %(m/m) =

0.4

0.5

0.5

0.3

0.4

0.5

Residue on sieve (63 µm ), %(m/m) =

0.1

0.1

0.1

0.1

0.1

0.1

Color (compared with standard sample)

Better

Near

Slightly worse

Better

Near

Slightly worse

Alkalinity of water extract

Neutral

Neutral

Neutral

Neutral

Neutral

Neutral

Oil absorption, g/ 100g =

14

10

Color dint ( compared with standard sample), % =

105

100

95

105

100

95

Hiding power

No lower 5% of standard sample

No lower 5% of standard sample