Bentonite Powder
Drilling Supplies

Bentonite Powder

Bentonite Powder is a high-quality premium grade powder produced to OCMA standard. It is specially formulated to provide rapid development of viscosity and gel strength for drilling and civil engineering applications.

When mixed with water Bentonite Powder swells to many times its volume and rapidly forms a thixotropic gel.


  • Borehole sealing
  • Landfill gas well sealing
  • Grouting
  • Isolating instrumentation and sampling



  • Easy to mix and use
  • High gel strength
  • Rapid build up of viscosity
  • Suitable for use immediately after mixing



  • Must be kept dry and free from moisture



  • 25kg paper bags

Technical Specification

Physical Appearance Pale coloured powder
Moisture Content 12% ± 2%
Specific Gravity 2.4 – 2.6
Bulk Density 800 – 1000kg/m³
Dry Screen Analysis Min 75% < 75 micron