325

400

800

1250

2000

2500

Specific Gravity

4.3-4.4

4.3-4.4

4.3-4.4

4.3-4.4

4.3-4.4

4.3-4.4

Ba(sr)SO4

95% min

96%min

97%min

97%min

97%min

97%min

Whiteness

88%-90%

90%-92%

93%min

94%min

94%min

95%min

Particle Size

45

38

18

10

6.5

5

Oil Absorption%

6-10

9-13

10-14

11-15

12-16

12-16

Ph Value

6-9

6-10

6-10

6-10

6-10

6-10

SiO2

0.5%-1.2%

0.5%-1.2%

0.5%-1.2%

0.5%-1.2%

0.5%-1.2%

0.5%-1.2%

Fe2O3

0.5%max

0.5%max

0.5%max

0.5%max

0.5%max

0.5%max

Al2O3

0.1max

0.1max

0.1max

0.1max

0.1max

0.1max

CaO

0.3%max

0.3%max

0.3%max

0.3%max

0.3%max

0.3%max

Loss on Ignition

1%max

1%max

1%max

1%max

1%max

1%max

Moisture 

0.3%max

0.3%max

0.3%max

0.3%max

0.3%max

0.3%max

325 mesh Passing rate

99%min

99.5%min

100%min

100%min

100%min

100%min