Package type: CT á 2.5 Metre Model Thick-walled Type Heat-shrink Colour Black Shrink rate 3:1 Inner diameter before heat-shrink (mm) 12 Inner diameter after heat-shrink (mm) 4 Length (m) 2.5 Wall thickness after shrinking (mm) 0.7 Operating temperature (°C) -55 - +85 (°C) 100 Material Crosslinked polyolefin (XLPO) Halogen free Yes With inner glue Yes Printable No Transparent No Breakdown voltage (kV) 15 Self-extinguishing Yes