Blood vessels or

26.11.2020 13:21

Depending on the working conditions for which the electric device is intended, various tests of blood vessels or membranes to: a) oil -resistance (from the tank) are made; b) air permeability (from the tank); c) water resistance (inside the shell); d) dustproof (inside the shell); e) mechanical strength in combination with oil -resistance or air permeability (from the vessel).