FIELD: electrical engineering. SUBSTANCE: composition for manufacturing grounding electrodes used for protection of underground constructions and conduits contains 48-60% of calcined oil-origin cock fines, 35-60% of urea-formaldehyde resin as binding component, and 5-6% of ammonium chloride as hardening agent. EFFECT: avoided emission of carcinogenic substance during manufacture of anodic grounding electrodes. 2 tbl
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Authors
Dates
2004-05-27—Published
2002-12-23—Filed