Raychem HRHF/HRNF/HRSR Heat Shrink Tubing: A Flexible Solution for Cable Repair

The Raychem HRHF/HRNF/HRSR heat shrink tubing from TE Connectivity is a High-Ratio (HR) heat shrink tubing with an impressive shrink ratio of 5.6:1. This makes it the ideal choice for applications where there are significant differences in diameter between cables, cable connectors, and backshells. Thanks to this high shrink ratio, damaged cables can be easily repaired, even when cable diameters vary considerably. The HR heat shrink tubing is available in different materials: semi-rigid flame-retardant (SR), standard flame-retardant (NF), and highly flexible flame-retardant (HF), allowing the right solution to be selected based on the specific requirements of the application.

Applications and Protection of Raychem HR Heat Shrink Tubing

The Raychem HR heat shrink tubing provides excellent protection in moist and corrosive environments. The waterproof sealing compound delivers reliable environmental sealing, which is essential for applications in harsh conditions. In addition, the tubing features a thermoplastic adhesive coating that not only provides excellent strain relief but also contributes to the overall waterproof protection of the cables. Whether used in industrial applications, transportation, or even aerospace, this heat shrink tubing is a reliable choice for long-term performance and protection against external influences.

Features Raychem HRHF/HRNF/HRSR heat shrink tubing

  • Provides excellent insulation and protection against wear.
  • Provides strength and durability.
  • Available in flame-retardant material.
  • Minimum shrink temperature: 80°C.
  • Minimum full recovery temperature: 121°C
  • Operating temperature range: -55°C to 110°C
  • 5.6:1 shrink ratio
  • RoHS compliant

Product Dimensions of Raychem HRHF/HRNF/HRSR Heat Shrink Tubing

BSTS Thick-Walled Heat Shrink Tubing with a 3:1 Shrink Ratio – Click through to directly view the products

Type Unshrunk Inner Diameter Shrunk Inner Diameter Unshrunk Wall Thickness
HR**060 15.24mm 3.81mm 1.52mm
HR**125 31.75mm 6.10mm 1.52mm
HR**175 44.45mm 8.00mm 2.41mm
HR**200 50.80mm 9.52mm 2.67mm
HR**250 63.50mm 12.70mm 3.05mm
HR**300 76.20mm 19.05mm 3.05mm
HR**400 101.60mm 22.86mm 3.56mm

Ordering Information for HRHF/HRNF/HRSR Heat Shrink Tubing

Standard Colors: Black (-0)


** Select the product choice HRHF (high flex), HRNF (non-flame retardant), HRSR (semigrid)


Type: FR = Flame retardant for SR and HF series, CL = Non-flame retardant HF series


Adhesive choice: Adhesive (/97) Sealant (/226), Blank for no coating


Order Description: Specify product name, size, and color (e.g., HRHF-125FR-10/226-NM).

Certifications/Approvals HRHF/HRNF/HRSR Shrink Tubing

Series Agency Raychem
HRSR ABS, Lloyd’s RW-2013
HRHF ABS, Lloyd’s RW-2013
HRNF RW-2013

We are happy to assist you in making the right choice

Do you have questions about the Raychem HRHF/HRNF/HRSR shrink tubing product range or would you like advice on the right choice for your applications? Idétrading is here to help. We are ready to assist you in selecting durable and reliable sealing solutions.

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TE Connectivity RAYCHEM distributor