BH No. 4

Bl ack Hills NO 4 MSDS Sheet
Description Unaltered Sodium Bentonite

 

Application For blanket seals of ponds, lagoons, and sanitary landfills.

 

Typical
Che
mical 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
4 5.7
6 19.8
8 15.5
10 13.0
20 17.0
30 6.0
Pan 23.0
Moisture Average 12 - 15%
Viscosity Swell Average 18 - 22 cc
Fann @ 600 rpm
Colloid Content Average 60 - 65%
(2% Solution)
Bulk Density 70 - 72 lbs. per cubic foot
Specific gravity 2.0 - 2.25 gm/cc
pH 8.5 - 9.5