3:1 Ratio Heat Shrink Tubing
Heat shrink tubing is tubing made of different types of materials that shrink down to a fraction of the original diamter with the application of a heat source. 3:1 shrink wall tubing shrinks to 1/3 its original size. 3:1 Dual wall heatshrink tubing is available with our without adhesive lining. Typically, adhesive line 3:1 tubing is used in applications where protection from moisture is absolute. All of our 3:1 ratio are made with quality materials that are UL 224 VW-1 recognized.