FIELD: metallurgy.
SUBSTANCE: contact strip manufacturing composition includes the following, wt %: electrographite 67-75, calcined coke 5-12, phenolformaldehyde resin 11-20, zinc stearate 0.5-2.0, polytetrafluoroethylene 0.5-8, and additionally copper nanopowder 0.5-2.
EFFECT: improving the strength of contact strips.
1 ex, 1 tbl
| Title | Year | Author | Number |
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