Our 3:1 heat shrink tubing is also available with a "dual-wall" construction. It is called dual wall because it is actually made up of two different materials together. One wall - the outer wall - is Polyolefin heat shrink.

Features:
3:1 Shrink Ratio with melt adhesive inner lining
Maximum use temperature 135°C
Shrink Temperature of 90°C and operating temperature of -55°C to + 110°C