EARTHING CONDUCTIVE CONCRETE: CONDUCRETE®
Technicalspecifications
Conductiveconcretemustbeenvironmentallyneutral.Itmustbesetupinsitu
toformasolidandmustnotleach,dissolveormigrateintothesoilorwater.
Physical state Powder
May be installed dry or mixed with water to form a slurry for horizontal or Appearance Dark grey
verticalapplications.Thematerialmustbemaintenancefreeandnotrequire
recharging of any kind i.e. watering, chemicals or salts. The material must
Odour None
haveadryresistivityoflessthanohm-cmandanabilitytoreducecorrosion
Dry density ~1400kg/m³ (hardened state)
by at least 80%. The complete technical specifications are contained in the
Wet density 0.015% at 28 days
tablesbelow.
Compressive strength 28 days 21 MPa
Permeability to water 3.8X 10-7cm/sec
EICAP Conducrete® Acceptablelimit
Hygroscopic property
Arsenic <0.05 2.5
(water absorption) 32.4%
Barium 0.850 100.0
Resistivity (ASTM G187-05) 3.06 to 6.38 ohm-cm
Boron 0.005 500.0
Electrolytic corrosion resistance Reduction in corrosion of 86%
Cadmium <0.005 0.5
High fault current test withstand 1686V for 500ms
Chromium <0.005 5.0
Environmental impact/pH in situ Neutral
Lead <0.02 5.0
Mercury <0.01 1.0
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58 performed by Accuracy Environmental Laboratories Ltd.
ʻvʼ denotes less than method detection limit (MDL).
al. All results are expressed as ppm unless otherwise stated
Selenium <0.1 1.0
Silver <0.005 5.0
Uranium <0.2 10.0
Parameter Conducrete® Acceptablelimit
Fluoride 0.126 150
Nitrate (NO3-N) <0.100 1000 (Nitrate + Nitrate)
Nitrate (NO2-N) <0.100 1000 (Nitrate + Nitrate)
Cyanide <0.005 20
20 a4 +44 (0)115 975 7600 www.fmsudafix.com
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