Black Hills Bentonite  

 

 

 Granular Bentonite

12/40 Mesh
Black Hills Granular Bentonite 12/40 Mesh MSDS Sheet
Description Unaltered Wyoming Sodium Bentonite

 
Application Sealing of sanitary landfills, ponds and lagoons.   Bonding animal feeds.

 
Typical
Chemical Analysis

 
ELEMENT % ELEMENT %
SiO2 64.7 CaO 1.8
A12O3 17.6 K20 .46
Fe2O3 4.4 Na2O 2.5
MgO 1.8 TiO2 .16
H2O (Crystal) 5.9
Specifications

TYPICAL SCREEN ANALYSIS:

Mesh (ASTM E 11)

 % Retained
12 .6
14 15.9
16 21.3
20 36.4
25 12.7
30 5.6
40 6.5
50 .8
60 .0
100 .0
PAN .2
Moisture 10% Maximum
pH 8.5 - 9.5
Viscosity
Fann @ 600 rpm * Average 10 - 15
Volumetric Swell
(2 grams Bentonite) Average 18 - 22
 

*NOTE:  Suspension, 22.5 grams bentonite mixed in 350 ml of distilled water.

The information contained herein is based on tests believed to be reliable, however no warranty is implied.

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