Electrodes of DBSK-55 E 50A of Ø 3,4,5 mm of GOST 9466-75

For especially responsible designs from carbonaceous and low-carbonaceous staly with a temporary resistance to a gap do60 kgf/kV of mm on alternating current and a direct current (the return polarity) in all spatial provisions, except vertical from top to down and ceiling for electrodes with a diameter of 5 mm.