1/2 Inch Heat Shrink Tubing: 3:1 heat shrink ratio and will shrink to the original 1/3.Pre-Shrink Circular Inner Diameter: 1/2 Inch (12.7mm) | Flattened Shipping Diameter: 0.87 Inch (22mm) | Fully Shrunk Inner Diameter: 0.17 Inch (4.23mm). Ships in flattened form for efficient packaging – expands to full circular shape when unrolled.
IMPORTANT: Title dimension "1/2 Inch" refers to PRE-SHRINK diameter. Actual shrunk size is 0.17 Inch (4.23mm). Please confirm all product dimensions before purchasing. 3:1 ratio ensures compression from 12.7mm to 4.23mm.
GOOD TIGHTNESS:Glue inside,When heat is applied, adhesive comes out and seals the connection.Dual wall adhesive heat shrink tube has the advantages of good electrical insulation, good sealing and high temperature resistance.
DUAL WALL TUBING - Provides enhanced protection from wear and tear. The outer wall provides abrasion resistance. The inner wall creates a waterproof seal and strain relief
EASY TO USE:Slide the heat shrink tube over your connection point and apply heat. Make professional insulated connections in seconds.