Gamvdout 20pcs Graphite Rods, 99.9% Graphite Electrode Cylinder Rod Length 355MM for DIY Electrical Laboratory Equipment

99.9% purityCarbon electrodes are made of high density squeezing graphite rod, 99.9% purity. anti-acidAcid and alkali resistance, strong thermal shock resistance. electrical conductivityHas a good electrical conductivity, high mechanical strength. good performanceGood lubricity, high temperature resistance, oxidation resistance. wide applicationsUsed for metallurgy, machinery, electronics, chemical industry, light industry,etc.