Electric and optical fibre cables. Test methods for non-metallic materials - Mechanical tests. Pressure test at high temperature for insulation and sheaths

Electric and optical fibre cables. Test methods for non-metallic materials - Mechanical tests. Pressure test at high temperature for insulation and sheaths

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1   Scope

This Part 508 of IEC 60811 gives the procedure for a pressure test at high temperature, which typically applies to thermoplastic compounds used for insulating and sheathing materials.

NOTE 1 The method is principally intended for thermoplastic materials, but may be used for cross-linked materials when specifically required by the relevant cable standard.

NOTE 2 The test method is not recommended for thicknesses below 0,7 mm.