Macromin Kentish Minerals (MKM) Logo

Our Product Range

Performance-grade bentonites, minerals, and absorbent materials - available in powders, granules, and pellets for engineering, environmental, and industrial use.

Bentonite Powders

A wide range of powders for every application.

Bentonite Granules

100% bentonite granules for void filling and sealing applications.

Bentonite-Cement Powder Grouts

A wide range of bentonite-cement powder blends.

Bentonite Pellets / Bentonite-Cement Pellets

Pelletised products including both 100% bentonite clay pellets and bentonite-cement pellets for void filling and sealing at depth.

Titanium Dioxide Powder (TiO₂)

Fine, white Anatase powder pigment for coatings, printing inks, rubber, paper etc.

Industrial Minerals & Pet Litters

A wide variety of absorbent industrial minerals in granule and powder form.

Ready to Discuss Your Needs?

Whether you're sourcing specialist bentonites or industrial minerals, we're here to help

Industrial Minerals & Pet Litters

MKM offers a wide variety of absorbent industrial minerals in granule and powder form. These are used in a huge range of applications, from filtration and soil remediation through to agriculture and pet litters.

Among the minerals we supply are:

  • Attapulgite
  • Sepiolite
  • Zeolite ( incl. clinoptilolite & chabazite )
  • Calcium silicate
  • Diatomaceous Earth
  • GGBS
  • Gypsum
Packed in 25 kg sacks and Big Bags and powder tankers.
Detailed Data Sheets available upon request

Titanium Dioxide (TiO₂) Powder - Anatase Grade

  • Fine, white powder pigment for coatings, printing inks, rubber, paper etc.
  • Untreated Anatase Pigment.
  • 98% purity.
  • 96.5% Whiteness.
  • 150 cc/100g Hiding Power.
Packed in 25 kg sacks and Big Bags.
Detailed Data Sheets available upon request

Bentonite-Cement Powder Grouts

A wide range of bentonite-cement powder blends. 

Customised combinations with GGBS, PFA etc

Bentonite powder +/or cement with kiln-dried sands possible

  • Low-shrink.
  • Low-bleed.
  • Ultra-economical. High water to powder mix ratios.
  • Ultra-low permeability
Packed in 25 kg sacks, Big Bags, or powder tanker.
Detailed Data Sheets available upon request

Bentonite Pellets / Bentonite-Cement Pellets

Pelletised products including both 100% bentonite clay pellets and bentonite-cement pellets for void filling and sealing at depth.

  • Machine-extruded
  • Custom ratios available
Bentonite pellets Bentonite-cement pellets
Diameter 9 mm 9 mm
Length 5 - 25 mm 5 - 25 mm
Bulk Density 1.05 -1.10 g / ml 1.05 -1.25 g / ml
Colour grey / grey-green light grey
Swelling Volume
(after 48 hrs)
> 40% > 20%

Bentonite Pellets

  • Diameter: 9mm
  • Length: 5 - 25 mm
  • Bulk density: 1.05 -1.10 g / ml
  • Colour: grey / grey-green
  • Swelling volume: > 40% (after 48 hrs)

Bentonite Cement-Pellets

  • Diameter: 9mm
  • Length: 5 - 25 mm
  • Bulk density: 1.05 -1.25 g / ml
  • Colour: light grey
  • Swelling volume: > 20% (after 48 hrs)
Packed in 25 kg plastic sacks or Big Bags
Detailed Data Sheets available upon request

Bentonite Granules

100% bentonite granules for void filling and sealing applications.
Sizing 1 - 5 mm, 1 - 3 mm ( & custom sizes )
Bulk Density 1.00 - 1.10 gms / ml
Colour Grey / grey-brown
Contained Swelling Volume
(after 48 hrs)
> 50%
Packed in 20 & 25 kg plastic sacks or Big Bags.
Detailed Data Sheets available upon request

Bentonite Powders

A wide range of powders for every application:
  • Civil Engineering bentonites (e.g. KMA, KM2)
  • HDD bentonites
  • Natural sodium bentonites (e.g. Wyoming)
  • Calcium bentonites
  • Pharmaceutical grade bentonite
  • Coloured bentonites (white, grey, yellow, red, brown, etc.)
  • Pond sealing / Puddling
Packed in 25 kg sacks, Big Bags, or bulk tanker.
Detailed Data Sheets available upon request