Krimpkous Polyolefin 1:2 Package type: RL á 50 Metre Model Thin-walled Type Heat-shrink Colour Red Shrink rate 2:1 Inner diameter before heat-shrink (mm) 25.4 Inner diameter after heat-shrink (mm) 12.7 Length (m) 50 Nominal diameter inch 1 inch Wall thickness after shrinking (mm) 0.89 Operating temperature (°C) -55 - +135 (°C) 100 Material Crosslinked polyolefin (XLPO) Halogen free Yes With inner glue No Printable No Breakdown voltage (kV) 17