Politubes produces various types of insulating caps designed according to the requirements of hermetic closure, positioning, size and protection from chemical agents as required by our customers.
Caps are produced by sealing one of the two ends of multilayer spiral tubes. They are designed and produced according to customer specifications both in heat-shrinkable or not heat-shrinkable version.
They can be supplied in perfectly round or oval form to facilitate insertion and to reduce the overall dimensions.
Their dielectric strength can reach 303kV/mm with reference to the ASTM-D-149-91 test method and are used within a temperature range of -50°C/+300°C.
Our adhesives, carefully selected during our forty years of experience, comply with all REACH and RoHS regulations and guarantee that the original properties of the films used are fully maintained.
They are used for thermal protectors insulation inside electric motors and compressors, for wiring or for protecting cables welding of the same phase inside the windings, in order to avoid wires ends to damage the surrounding parts .