SG.- Standard Grade Polyolefin, 2:1 shrink ratio, shrink with hot airgun or naked flame, flexible, excellent insulation properties, easily printed on, without adhesive and does not melt-resistant to cold flow.SG is a flexible, flame-retardant heat shrinkable polyolefin tubing designed for a wide range of applications such as insulation, marking, strain relief and mechanical protection · · · Radial shrinkage: 50% min · · Longitudinal shrinkage: 5% max · · Tubing has ability to shrink at comparatively low temperatures of 100OC · · 2:1 shrink ratio · · Superior Electrical Insulation · · Easy and Convenient Application