CETCO

- Enhanced Thermally Conductive Grout

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HIGH TC GEOTHERMAL GROUT is a specially blended high solids bentonite that can be mixed with sand in a two-part, thermally conductive grouting material to improve the performance of ground source heat loop applications. HIGH TC GEOTHERMAL GROUT is an easy pumping grout that has been carefully developed to efficiently suspend solids (silica sand) for enhanced thermal conductivity. HIGH TC GEOTHERMAL GROUT can be mixed to meet a range of thermal conductivity (TC) from 0.40 to 1.21 Btu/h/ft/F (0.68 – 2.05 W/mK). HIGH TC GEOTHERMAL GROUT is certified to NSF/ANSI Standard 60, Drinking Water Treatment Chemicals - Health Effects.

HIGH TC GEOTHERMAL GROUT improves the efficiency and performance of ground source heat loop systems by matching the thermal conductivity of the surrounding soil and creating a permanent flexible seal to prevent aquifer contamination. Depending on site soil conditions, HIGH TC GEOTHERMAL GROUT can be mixed and adjusted to meet individual thermal conductivity requirements, improving the transfer of heat between the fluids circulated in the loop, and the surrounding soil for optimum system performance.

Place freshwater in a paddle-mixing tank of a commercial grout mixer. Start the grout mixer paddle, and add one 50 lb bag of GEOTHERMAL GROUT to the water. Mix for about 1 minute. Add silica sand at a steady rate (1 to 2 minutes), and continue mixing for about 2 minutes to obtain a consistent mixture. Pump with a positive displacement piston pump through a tremie pipe at a rate of 5 to 15 gallons per minute. Thermal conductivity values are based on ASTM D-5334 procedures. Testing performed by the CETCO Laboratory uses the D-5334 method. (see page 3)

50 lb (22.7 kg) bag, 48 per pallet. All pallets are plastic-wrapped.

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