Raychem SRFR Heat Shrink Tubing: Superior Flexibility and Thermal Protection

Raychem SRFR Heat Shrink Tubing from TE Connectivity delivers unparalleled flexibility and resilience against extreme high and low temperatures. Unlike traditional silicone materials, SRFR stands out with exceptional physical strength, making it a preferred choice for challenging environments. Its capability to endure intense heat while offering superior thermal insulation ensures reliable performance. The SRFR heat shrink tubing is non-flammable and boasts impressive ablative properties, establishing it as a trusted solution across various industries.

Applications of Raychem SRFR Heat Shrink Tubing

Raychem SRFR is widely utilized in medical equipment, where its exceptional flexibility and ability to withstand sterilization conditions are paramount. Other key applications include insulation for thyristor power cables, heating element insulation, busbar encapsulation, bundling of fiber optic cables, and safeguarding cables in rocket support systems. With its unique blend of physical and electrical characteristics, SRFR heat shrink tubing proves to be an optimal choice for industries requiring both reliability and robust performance.

Raychem SRFR krimpkous van TE Connectivity

Features of Raychem SRFR Heat Shrink Tubing

  • Extremely flexible at both high and low temperatures

  • Operating temperature range: -75°C to 200°C

  • Minimum full recovery temperature: 175°C

  • Minimum full recovery temperature: 175°C

  • ROHS Compliant

  • Highly flame-retardant

  • 2:1 Shrink ratio

Product Dimensions of Raychem SRFR Heat Shrink Tubing

SRFR Standard Heat Shrink Tubing with 2:1 Ratio – Click to View Products Directly

Type Size Inner Diameter Before Shrink Inner Diameter After Shrink Wall Thickness
SRFR-2.9/1.7-8-SP 2.9/1.7 2.9mm 1.7mm 1.0 ± 0.50mm
SRFR-4/2.9-8-SP 4/2.9 4.0mm 2.9mm 1.0 ± 0.50mm
SRFR-7.8/4.6-8-SP 7.8/4.6 7.8mm 4.6mm 1.0 ± 0.50mm
SRFR-10/6.5-8-SP 10/6.5 10mm 6.5mm 1.5 ± 0.50mm
SRFR-15/9.6-8-SP 15/9.6 15mm 9.6mm 1.5 ± 0.50mm
SRFR-21/13-8-SP 21/13 21mm 13mm 2.0 ± 0.75mm
SRFR-29/20-8-SP 29/20 29mm 20mm 2.0 ± 0.75mm
SRFR-41/27-8-SP 41/27 41mm 27mm 3.0 ± 1.00mm
SRFR-51/33-8-SP 51/33 51mm 33mm 3.0 ± 1.00mm

Order Information SRFR heat shrink tubing

Standard colors: Gray (-8)


Size selection: Always order the largest size that properly shrinks over the part to be covered. Special order sizes are available upon request.


Packaging: Spools


Order description: Specify product name, size, and color (for example SRFR 2.9/1.7-8-SP).

Certifications/Approvals for Raychem SRFR Heat Shrink Tubing

Series UL Raychem
SRFR E85381 VW-1
600V, 200°C
RW-2057

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