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Sodium Bentonite Powder 100g High Purity

Sodium Bentonite Powder 100g High Purity

Grip seal bag containing 100g of High Purity Sodium Bentonite powdered clay (Green Clay).

Green Clay
French Clay
Smectite - Sodium Montmorillonite
Hydrated Sodium Aluminium Silicate

Finely milled, soft flour like texture of less than 100 microns.

Please see our Mineral Information pages for more detailed information such as uses, benefits, dosage rates, safety and technical data sheets.
  • Details

    Bentonites are hydrated aluminosilicate minerals, comprised chiefly of montmorillonite. Structurally they consist of alumina sheets sandwiched between tetrahedral SiO4 units. Water is usually present between the triple layers.

    Typical Chemical Analysis.
    SiO2 57.1%
    Na2O 3.27%
    Al2O3 17.79%
    K2O 0.9%
    Fe2O3 4.64%
    TiO2 0.77%
    CaO 3.98%
    Mn2O3 0.06%
    MgO 3.68%
    LoI 7.85%

    Typical Mineralogy.
    Montmorillonite 92%
    Calcite 4%
    Feldspars 2%
    Quartz 1%
    Dolomite 1%

    Other Typical Properties.
    Bulk Density 800 – 900 Kg/m3
    Swelling Volume 29 ml/2g
    Moisture Maximum 14% by weight
    Cation Exchange Capacity 78 meq / 100g

    Sieve Analysis.
    Maximum 5% retained on a 150:m sieve
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