Typical Chemical Analysis 
SiO260.34%
Al2O319.28%
Fe2O33.48%
Na2O2.34%
TiO2.22%
CaO.38%
MgO1.67%
K2O.10%
Other.07%
H2O7.75%
LOI4.37%
E.P. Toxicity AnalysisEPA Standard ppmTypical Analysis ppm
Arsenic5.0< 0.1
Barium100.00.5
Cadmium1.0< 0.05
Chromium5.0< 0.1
Lead5.0< 0.1
Mercury0.2< 0.02
Selenium1.0< 0.05
Silver5.0< 0.1
Typical Particle Size% Passing
20 mesh99.9%
40 mesh83.2%
50 mesh55.7%
60 mesh43.47%
100 mesh21.68%
-200 mesh8.1%
US Standard Sieve Size 
Typical Characteristics 
Moisture Content %6-9
pH9.1 ± 0.4
Cation Exchange Capacity CEC meq 100 gm70-90
swell21 +/- 3
colorLight Grey

SPECIFIC GRAVITY: 2.5 ± 0.1

BULK DENSITY lbs/ft3: 64 ± 2

SPECIFICATIONS: 95% Passing 30 Mesh guaranteed 8% Maximum Passing 200 Mesh

USES: Absorbents sealant, plasticising