Construction Grade Bentonite Productrs Manufacturer and Supplier : Kutch Minerals : Gujarat - India

 
Bentonite in civil engineering applications is traditionally used as a thixotropic, support and lubricant agent in diaphragm walls and foundations, in tunnelling, in horizontal directional drilling (HDD) and pipe jacking. Bentonite, due to its viscosity and plasticity, is also used in Portland cement and mortars.
 

Properties

Protocol

Unit

Result

Liquid Limit

IS:12446-1988

ml/100 gm

400 - 450

Moisture Content

API Spec. 13A:2004/ ISO 13500: 1998

% by wt.

12.0 Max

Dry Screen Analysis (residue on 75 um sieve

IS:6186-1986

% by. Wt.

10.0 max.

Free Swelling Volume 2gm/100ml

ASTM D 5890:1995

ml

30 - 35

PH Value of 5% gel

IS:6186-1986

pH

9.5  - 10.0

Loose Bulk Density

IS:7589-1974

gm/ml

0.85 – 1.0

Gel Time 2.5gm/25 ml

IS:12446-1988

second

Instant

Filterate Volume

API Spec. 13A:2004/ ISO 13500: 1998

ml

20 max

Viscosty at 600 rpm

API Spec. 13A:2004/ ISO 13500: 1998

 

30 min

Methylene Blue Value

API spe 131:2004/ ISO 10416:2002

mg/gm of clay

350 - 400