Wyoming Sodium Bentonite Powder 100g High Purity
£6.95Price
Grip seal bag containing 100g of High Purity Wyoming Sodium Bentonite powdered clay.
Wyoming Clay
Smectite - Sodium Montmorillonite
Bentonit
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 63.10%
CaO 1.21%
Al2O3 19.71%
K2O 0.70%
Fe2O3 4.15%
TiO2 0.17%
MgO 2.28%
Mn2O3 0.03%
Na2O 2.02%
LOI 6.63%
Typical Mineralogy.
Montmorillonite 94%
Feldspars 4%
Gypsum 1%
Quartz 2%
Typical Properties.
Bulk Density 800 – 900 Kg/m3
Cation Exchange Capacity 74 meq/100g
Swelling Volume 26 cm3/2g
Moisture Maximum 14% by weight
Sieve Analysis
Maximum 15% retained on a 75<m sieve