is an electronic part designed to help protect wires, cables, and other electrical components from damage due to environmental exposure. This tubing is flame-retardant, resists abrasion, tears, and chemicals, and the heat shrinkable sleeve offers the most reliable form of insulation for electrical components. Standard for the 309-21276 Heat Shrinkable Tubing 2:1 flexible is a 0.9 Mpa Maximum Operating Temperature and a 1.2Mpa Shrink Temperature of 130°C. The insulation of this Heat Shrink Tubing and Sleeve promotes high strain relief, making it ideal for permanent outdoor use. This part also has an IEC 6.0 rating for flame retardancy.