SPECIFICATION OF FOUNDRY GRADE BENTONITE

Parameters

1

2

3

4

Swelling Capacity

24/25 ml

30/31 ml

34/35 ml

39/40 ml

Gel Index

0.6

0.63

0.66

0.8

Liquid Limit

400-450

400-500

450-550

450-550

Green Comp Strength

14.00 psi

14.52 psi

15.00 psi

15.00 psi

Dry Comp. Strength

40-50 psi

40-50 psi

45-55 psi

45-55 psi

Mesh (Through B.S.S. 200 sieve )

0.9

0.9

0.9

0.9

Moisture Content

0.12

0.12

0.12

0.12

LOI

0.09

0.09

0.09

0.09

PH Value

9.5 min

10.0 min

10.5 min

9.5-10.5 min