Macromin Kentish Minerals

KM Bentonite Pellets

Key Facts

  • KM Bentonite Pellets
  • Supplied in 25 kg plastic sacks.
  • For large jobs supplied in 1-tonne big bags or loose in 20 or 30 tonne tipper trucks.
  • After wetting ("hydration") with fresh water swells to > 150% of original volume.
  • Delayed Hydration.  Will drop to bottom of most wells before swelling.
KM Bentonite Pellets
KM Bentonite Pellets

Technical Description

Typical Analysis % :

  • SiO2 - 65.3
  • Al2O3 - 11.7
  • Fe2O3 - 6.36
  • TiO2 - 0.63
  • CaO - 1.01
  • MgO - 3.35
  • K2O - 1.70
  • Na2O - 4.90
  • Loss On Ignition - 5.7
  • H2O - 14 –18

Composition (By XRD Analysis) :                        

  • Montmorillonite Clay - Major  (ca. 60 % )
  • Calcite - Some
  • Feldspa - Minor
  • Alpha Quart - Minor

Pellet Size, Density & Colour:                        

  • Diameter - 8  mm
  • Length - 5 -15 mm
  • Bulk Density - 1.05 -1.10 g / ml
  • Specific Gravity - 2.2 – 2.5   g / ml
  • Colour - Light Grey

Typical Performance Characteristics :

  • Free Swelling Volume > 500% (after 48 hrs)
  • Contained Swelling Volume > 40%   (after 48 hrs)
  • Settling Velocity 40 (cm / sec)
  • Swelling Onset 15 (minutes)