Package type: CT á 4 Metre Colour Black Inner diameter before heat-shrink (mm) 12 Inner diameter after heat-shrink (mm) 4 Length (m) 4 Shrink rate 3:1 Wall thickness after shrinking (mm) 0.75 Operating temperature (°C) -55 - +135 (°C) 100 Model Thin-walled Material Crosslinked polyolefin (XLPO) Halogen free Yes With inner glue No Printable No UL approval Yes Transparent No Type Heat-shrink Breakdown voltage (kV) 25 Self-extinguishing Yes