Tender For supply of 25kgs bag of earth conductivity enhancement back-filling material for treatment of earth pits. (thecompound shall contain conductive cement- 15%, graphite carbon powder - 45%, hydrous aluminum silicate- 10%,sodium montmorillonite- 30% and shall not contain bentonite)it shall be tested and confirm to the requirements of iec 62561-7.the earth enhancement material shall be supplied in sealed, moisture proof bags. these bags shall be marked with manufacturer?s name or trade name, quantity etc. [ warranty period: 30 months after the date of delivery ] ]