Sodium Bentonite Clay Granules 1-5mm TRADE SACK 25Kg

£59.00Price

25Kg TRADE SACK of High Purity Sodium Bentonite Granules 1-5mm

Pond Clay
Puddling Clay

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  • 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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