Thin wall black heat shrinkable tubing, shrinkage ratio 2:1, halogen free, thin wall flexible standard electrical heat shrinkable tubing with shrinkage ratio 2:1 (shrinkage capacity to half of the specified inner diameter before heat shrinkage), very suitable for electrical insulation, as kink and abrasion protection, for sealing as moisture protection, for bundling, for strain relief and for marking in electronics and electrical engineering, telecommunication, cable assembly, in the automotive sector, et al. a. , on dispenser rolls, stable, environmentally friendly cardboard rolls, diameter approx. 300 mm-550 mm (depending on shrink tubing size), core hole diameter approx. 30 mm, especially for industrial use, shrink range 0, 75-1, 5 mm, before shrink diameter 1, 6 mm, length 200 m