Grades

Typical Aspect Ratio

Typical Particle Size Analysis

Typical Bulk Density (lbs/cu.ft.)

Grade Note

Loose

Tapped

D1

5:1

5% - 75m

69

85

Coarse grade

M60

15:1

75% - 75m

56

72

Coarse, high aspect ratio

A60

15:1

82% - 75m

35

56

High Aspect Ratio (HAR)

A62

20:1

95% - 75m

22

40

High Aspect Ratio, high bulking

A64

20:1

96.5% - 75m

20

36

High Aspect Ratio, high bulking

S-300

5:1

99% - 50m

30

55

Fine mesh

S-400

5:1

99% - 38m

29

50

Fine mesh

Wolkron 1025

20:1

97% - 25m

25

45

HAR; highly uniform

Wolkron 1010

13:1

97% - 10m

26

45

Ultra fine

Wolkron 1005

7:1

98% - 5m

22

40

Ultra fine