ZHTM Heat Shrink Tubing from TE Connectivity Raychem

The ZHTM heat shrink tubing from TE Connectivity Raychem is a flexible, thick-walled solution with low toxicity, designed for fire safety applications. This high-quality material provides excellent fire safety properties, including low smoke emission and minimal development of acidic gases, while maintaining outstanding mechanical and fluid-resistant properties.

Applications of ZHTM Heat Shrink Tubing

The ZHTM heat shrink tubing is used for insulating and protecting cables, harnesses, and electrical and electronic components in demanding environments. It is ideal for use in confined spaces such as maritime applications, public transport systems, and offshore installations, where toxicity risks need to be minimized and where equipment could be irreparably damaged by aggressive products during a fire.

Features of Raychem ZH-100 Heat Shrink Tubing

  • Minimum shrink temperature: 70°C [158°F]

  • Minimum full recovery temperature: 175°C [347°F]

  • Minimum full recovery temperature: 121°C [250°F]

  • Operating temperature range: -55°C to 110°C [-67°F to 230°F]

  • RoHS compliant properties.

  • System 100 heat shrink tubing

  • Low smoke emission
  • 2:1 shrink ratio

Product dimensions of ZHTM heat shrink tubing

Thick-walled halogen-free heat shrink tubing with a 2:1 ratio – click through to view the products directly

Type Inner diameter before shrink Inner diameter after shrink Wall thickness
ZHTM-3/1.5 3.0 [0.118] 1.5 [0.059] 0.70 ± 0.10 [0.028 ± 0.004]
ZHTM-5/2.5 5.0 [0.197] 2.5 [0.098] 0.75 ± 0.12 [0.030 ± 0.005]
ZHTM-8/4 8.0 [0.315] 4.0 [0.157] 0.80 ± 0.15 [0.031 ± 0.006]
ZHTM-12/6 12.0 [0.472] 6.0 [0.236] 0.90 ± 0.15 [0.035 ± 0.006]
ZHTM-18/9 18.0 [0.709] 9.0 [0.354] 1.00 ± 0.18 [0.039 ± 0.007]
ZHTM-24/12 24.0 [0.945] 12.0 [0.472] 1.10 ± 0.20 [0.043 ± 0.008]
ZHTM-40/20 40.0 [1.575] 20.0 [0.789] 1.30 ± 0.23 [0.051 ± 0.009]
ZHTM-50/30 50.0 [1.969] 30.0 [1.181] 1.50 ± 0.28 [0.059 ± 0.011]

Order Information for Raychem ZHTM

Standard color: Black (-0)


Size selection: Always order the largest size that will accurately shrink over the component to be covered.


Packaging: Spools and small packaging


Order description: Specify product name, size, and color (e.g., ZHTM-8/4-0).

Certifications/Approvals for ZHTM Heat Shrink Tubing

Series Military Agency Industry Raychem
ZHTM Def. Stan. 59-97 BS 4G-198, Part 3 Type 15 BR 1236A RW-2058
Issue 3 Type 8 VG 95343 Part 5 Type L
VDE 0341/Pt 9005

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