Raychem RT-375 Fluoropolymer Heat Shrink Tubing: Exceptional Protection for Wire and Cable Markings

The Raychem RT-375 heat shrink tubing, made from high-quality fluoropolymer material, provides excellent protection for wire and cable markings exposed to extreme conditions. It allows full inspection of the covered components while maintaining durability and functionality, even in the harshest environments.

Reliable Mechanical and Chemical Protection for Electronic Components

The RT-375 heat shrink tubing is designed for bundling and insulating wires and cables, protecting them from mechanical stress, chemical influences, and extreme temperatures. The unique fluoropolymer properties ensure that sensitive electronic components are protected, while the insulated items can be easily identified and inspected. The RT-375 is ideal for industrial, telecommunications, and aerospace applications, offering a reliable and efficient solution for cable management in demanding environments.

Features of Raychem ZH-100 Heat Shrink Tubing

  • Approximately 40% thinner wall than most general-purpose polyolefin heat shrink tubing

  • Strong, chemically resistant, and performs well at high temperatures

  • Exceptional clarity and brightness stability

  • Recommended maximum temperature for use as a primary insulator: 135 °C

  • Minimum shrink temperature: 125°C [257°F]

  • Minimum full recovery temperature: 150°C [302°F]

  • Minimum full recovery temperature: 150°C [302°F]

  • RoHS compliant

  • High flame resistance

  • 2:1 shrink ratio

Product Dimensions Raychem RT-375

2:1 ratio – click through to view the products directly

Type Inner Diameter Before Shrink Inner Diameter After Shrink Wall Thickness
RT-375-3/64 1.2 [0.046] 0.6 [0.023] 0.25 ± 0.05 [0.010 ± 0.002]
RT-375-1/16 1.6 [0.063] 0.8 [0.031] 0.25 ± 0.05 [0.010 ± 0.002]
RT-375-3/32 2.4 [0.093] 1.2 [0.046] 0.25 ± 0.05 [0.010 ± 0.002]
RT-375-1/8 3.2 [0.125] 1.6 [0.062] 0.25 ± 0.05 [0.010 ± 0.002]
RT-375-3/16 4.8 [0.187] 2.4 [0.093] 0.25 ± 0.05 [0.010 ± 0.002]
RT-375-1/4 6.4 [0.250] 3.2 [0.125] 0.30 ± 0.08 [0.012 ± 0.003]
RT-375-3/8 9.5 [0.375] 4.8 [0.187] 0.30 ± 0.08 [0.012 ± 0.003]
RT-375-1/2 12.7 [0.500] 6.4 [0.250] 0.30 ± 0.08 [0.012 ± 0.003]
RT-375-3/4 19.1 [0.750] 9.5 [0.375] 0.30 ± 0.08 [0.012 ± 0.003]
RT-375-1 25.4 [1.000] 12.7 [0.500] 0.30 ± 0.08 [0.012 ± 0.003]

Order information Raychem RT-375

Standard color: Transparent (-X)


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


Packaging: spools and small packaging


Order description: Specify product name, size, and color (e.g., RT-375-1/4-X).

Certifications/Approvals Raychem RT-375

Series UL CSA Military Raychem
RT-375 E35586 VW-1 LR31929 VW-1 AMS-DTL-23053/18*, Class 2 RT-375
600 V, 150°C 600 V, 150°C

Our Assortment

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