HELAVIA® DG polychloroprene rubber membrane grommets are used to seal cable openings on control cabinets, machine boxes or casings and other equipment. They also allow cables or conduits to pass through their membrane, providing a semi-dust-tight seal.
They are available in different series types:
> standard membrane (1 and 1.5 mm)
> thick membrane
> cross-cut membrane
> perforated membrane
> cut series with perforated membrane
> special perforated membrane
Colours: black - grey (similar to RAL 7037)
Operating temperatures: -30 to +90°C
Tensile strength at break: 7 MPa
Ultimate elongation: > 400
Dielectric strength: > 13 kV/mm