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Cement Cartridges

Key Features DSI Underground cement cartridges are easy to handle capsules containing a cementitious compound encased in a perforated Mylar film package. When immersed in water the cartridges allow controlled wetting of the contents to forming a thixotropic grout. The wetted cartridge is inserted into the hole and the deformed bolt or dowel is pushed in behind the cartridge.

  • Convenient easy to handle cartridge form.
  • Thixotropic and non-shrink.
  • Fast curing compared to ordinary cement grouts.
  • Controlled setting times.
  • No on-site mixing, just immerse in water.
  • No special grout pumping equipment required.
  • High strength.
  • Non-toxic, non-combustible and chloride free.
  • No rotation of bolt required.
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Description

Installation Guide Lines

  • Remove required number of cartridges from package.
  • Immerse cartridges in water until there are no signs of air release (bubbling) from the cartridge.
  • Do not leave in water for longer than 5 minutes.
  • The cement grout will begin to set in 20 minutes after initial water immersion; therefore, the bolt must be installed within this time period. However, it is recommended that the wetted cartridges be used within 15 minutes to obtain optimum results.
  • Insert cartridges into a clean hole. Tamp with a loading stick.
  • Insert the bolt. Bolt will rupture the cartridges allowing the grout to fill the annular space between the bolt and the hole.
  • After 12 hours, the grout will typically withstand the full yield point load of the deformed bolts or dowels.

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