Bentonite Products

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Bentonite (Manufacturing & Supply) Ltd

Bentonite Products

Bentonite’s main component is the clay mineral montmorillonite, together with associated minerals that include quartz, tridymite, cristobalite, mica, feldspar, pyrite and calcite.

The mineral is mined from various locations across the world before being ground to form a powder. Various additives may be added to the bentonite to enhance its performance.

Bentonite expands when wet, absorbing as much as eight times its dry mass in water. This allows it to permeate cracks and crevices, forming a self-sealing low permeability barrier – this is known as a bentonite slurry wall.

Bentonite (Manufacturing & Supply) Ltd can supply the following high-quality and effective bentonite grouts, bentonite cement slurries and other products.

Sodium Bentonite

Used as either a powder or in granular form, sodium bentonite is a natural clay that expands when wet to create a low permeability, self-sealing barrier against water.

Common applications include:

  • Borehole sealing
  • Grouting
  • Sealing boreholes, deep ponds, lakes etc
  • Geo-thermal wells
  • Sealing landfill gas wells
  • Isolating instrumentation and sampling
  • And more

CEBO Products

Bentonite (Manufacturing & Supply) Limited is also an approved supplier of CEBO UK Ltd products and is able to offer both supply and installation of the following products for cable ducting.

Cebo Conduct-Gels

Comprising a special mixture of bentonite and graphite to create an all-in-one solution for making the heat transfer from power cables to the surrounding soil considerably more efficient. Offering high thermal conductivity and high flowability, these gels offer non-hardening suspension and can therefore be quickly and easily removed if required.

Please note that the densities of the following products range from 1096kgs/m³ to 1519kgs/m³, depending upon Thermal Resistivity value requirements. See the data sheets for more details.

Cebo Conduct-Gel 1.0 – Thermal Resistivity of 0.95m.K/W Download PDF

Cebo Conduct-Gel 1.3 – Thermal Resistivity of 0.80m.K/W Download PDF

Cebo Conduct-Gel 1.5 – Thermal Resistivity of 0.70m.K/W Download PDF

Cebo Conduct-Gel 2.0 – Thermal Resistivity of 0.50m.K/W Download PDF

Cebo Conduct-Gel 2.5 – Thermal Resistivity of 0.40m.K/W Download PDF

CEBO Thermo-Grout Lite

This is a high-yield, self-setting grout with applications including vertical drilling and HDD. It offers consistent thermal properties, including thermal conductivity of 1,4 W/m*K.

CEBO Thermo-Grout Lite Download PDF

Bentonite Powders

The following powders are available in 25kg bags or 1,000kg bulk bags:



CEBOGEL QSE-400 Download PDF

Discover more about our range of bentonite products by getting in touch with the team at Bentonite (Manufacturing & Supply) Ltd. We offer our products and services to customers across the UK from our headquarters in Kent.

We have supplied high-quality materials in the UK for over 15 years

We have exclusive batching equipment

We make products faster and in larger quantities than anyone else in the UK

We can pump up to 500 linear metres depending on blend

Request a Callback Fill in your details and our team will be in touch.

Case Studies

Find out more about some of the recent projects we have completed, both in our local area of Kent and for clients across the UK.

East Sussex

Construction site with workers wearing safety gear and a yellow excavator digging a trench.
Soilfix Ltd

Details: The site for this particular project was alongside the River Adur near Shoreham Harbour, next to a scrapyard that was the reason for the slurry… Read more


Fleet of Bentonite MS's vehicles
I.D. Corcoran Contractors Ltd

Details: Bentonite (Manufacturing & Supply) Ltd was approached by I.D. Corcoran Contractors Ltd for advice on the infill of decommissioned steam and cable tunnels, along with… Read more



Two green concrete silos
AMS No-Dig/Orsted

Details: Bentonite (Manufacturing & Supply) Ltd was asked to infill three cable ducts with diameters of 800mm with a 250mm cable insert for wind farms located… Read more

Contact us to find out how Bentonite can benefit your next project!

Contact us to discuss your requirements with an advisor on 01474 825 045

How much bentonite material will I need?

Our volume caluclator helps you estimate the required amount for your cable ducting project

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