Heat Shrinkable Tubing 2:1 ST-221 Polyolefin-Available in 5 Colors and Clear

1” ID Polyolefin Flexible, multi-purpose heat shrink tubing.

Features and Benefits:

2:1 shrink ratio. Flame retardant (colors only). Resistant to common fluids and solvent. Economical mechanical protection for terminal strain relief and wire bundling. Continuous operating temperature: -55°C to 135°C. Shrink temperature: 90°.


UL 224, 125°C (colors only). CSA C22.2 No. 198.1, 125°C, SAE AMS-DTL-23053/5, Class 1 and 2, AMS 3636 and 3637, DEF STAN 59-97 Issue 3, Type 2a, UL/CSA approval applies to Black and colors only. Typical Applications-Electrical insulation of wire splices and terminals, Strain relief of wire terminations, Protects components from abrasion and fluid.