3:1 Shrink Ratio Flame Retardant 135°C Rated RoHS Compliant

RSFR-135G(3X) High Shrink Ratio 3:1 Flexible Heat Shrink Tubing

Premium 3:1 shrink ratio tubing offering outstanding flexibility and flame retardancy. Resists common fluids and solvents. Meets SAE-AMS-DTL-23053/5 standards – ideal for sealing, insulating, and protecting irregular shapes, connectors, and wire bundles.

Operating Temp

-55°C to 135°C

Shrink Ratio

3:1

Shrink Temp

120°C

Specification

SAE-AMS-DTL-23053/5

Key Features

High shrink ratio 3:1 – fits over complex shapes
Flame retardant & resistant to fluids / solvents
Continuous operating temperature: -55°C to 135°C
Meets SAE-AMS-DTL-23053/5, RoHS compliant
Excellent flexibility for tight installations

Dimensions & Packaging

3:1 shrink ratio – as supplied ID, after recovery dimensions, and spool lengths

Inch	mm	As supplied ID Min (mm)	After Recovery (mm)		Standard Package (m/spool)
Inch	mm	As supplied ID Min (mm)	Int. Diameter (mm)	Wall Thickness (mm)	Standard Package (m/spool)

*Larger sizes (≥60mm) available upon request; spool lengths as indicated.

Technical Specifications

Reliable physical, electrical, and chemical properties

Physical & Mechanical

Property	Test Method	Typical Value
Tensile Strength	ASTM D2671	≥10.4 MPa
Elongation	ASTM D2671	≥200%
Shrink Ratio	—	3:1
Shrink Temperature	—	120°C
Operating Temperature	UL224	-55°C to +135°C
Fluid / Solvent Resistance	SAE-AMS-DTL-23053/5	Excellent

Electrical Properties

Property	Test Method	Typical Value
Dielectric Strength	IEC 243	≥15 kV/mm
Volume Resistivity	IEC 93	≥1×10¹⁴ Ω·cm

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Meets SAE-AMS-DTL-23053/5 • Flame retardant (VW-1) • RoHS compliant • Excellent resistance to common fluids and solvents