Table 1-1: Physicochemical Properties of the Commercial Bentonite

Product Form Absolute volume L/kg (gal/lb) Molecular weight (g/mol) Specific gravity Flash Point (degC)
[degF]
pH
Sodium Bentonite Light Tan to Gray Powder 0.376
(0.045)
421.8 2.85 > 93
[> 200]
< 9.5
Mineral Composition (%)
Na2O Al2O3 Fe2O3 MgO CaO SiO2 K2O
2.02 17.01 6.51 1.92 1.37 66.12 0.56

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