Elektro-Isola's production of cylindrical tubes covers a broad product range. The three product categories of Etronit, Etronax and G - Etronax - defined by the reinforcement materials paper, cotton fabric and glass fabric - are characterised by very specific material properties.

Tubes are supplied ranging from a 3 mm internal diameter to an 1270 mm external diameter, with a wall thickness as desired and in lengths of up to 1650 mm.