Heat Shrink Tubing, Flexible polyolefin, 2:1 Shrink Ratio, 1", red

MFR PART #  B2-1-2-S
PART #  B2-1-2-S
Available in 100 Feet increments
Minimum 100 Feet
Call for Availability


This military grade heat shrink tubing is a very flexible polyolefin, has a shrink ratio of 2:1, and operates from -55C to 135C.


  • SUMITUBE B2 is a very flexible, flame-retarded, radiation-crosslinked heat shrinkable polyolefin tubing which meets all of the material and functional requirements of Military Specification AMS-DTL- 23053/5, Class 1 and Class 3.
  • Shrink temperature is 90C.
  • Operating temperature range is -55C to +135C and up to 200C for short time durations.
  • B2 is recommended for use in general purpose applications such as wire marking, color coding, and electrical insulation of light wire harness assemblies. For higher expansion ratio versions see B2(3X), B2(4X), and B2(4XC) data sheets.


UNSPSC Code 39121723

Spec Sheet

Spec Sheet

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When you order products from, the order is processed within one to two business days. Orders received during non-business days are processed on the next business day.

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