20/02/2026

Heat Shrinkable Tubing 3:1 flexible 40/13 red
Art.-No. 333-34002 | TF31-40/13-PO-X-RD

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  • Tubing is 3:1, thin wall and highly flame retardant.
  • High shrink ratio allows material to be used with varying substrates.
  • Available in multiple colors for easy marking and handling.
Package size
Application If higher fire protection is a requirement TF31 heat shrinkable tubing is a good choice. It is used for protection, insulation and identification wires, cables and light duty harnesses.
Behaviour At Low Temperature not cracking
Behaviour at Heat Shock not dripping, not fluid, not cracking
Behaviour at low Temperature test method UL 224
Brand Family TF31
Color Red (RD)
Description TF31 Heat Shrink is a thin wall tubing widely used for insulation and identification of wires, cables and light duty harnesses. Polyolefin material is highly flame retardant with a high shrink ratio. Available in a wide range of colors and diameters up to 1.5" (40.0mm) with various lengths. TF31 is UL224 125 °C 600V VW-1, CSA and RoHS.
Elongation At Heat Aging 400%
Heat Aging Test 168h/158°C
Heat Aging test method SAE-AMS-DTL-23053
Heat Shock Test 4h/250°C
PART DESCRIPTION TF31-40/13-PO-X-RD
Packaging Type reel
Part No. 333-34002
Product family Insulation
Short Desc. Heat Shrink Tubing, 1.5", Supp, .512", Recov, Polyolefin, Red, 98.43 ft/reel
Type TF31-40/13
For Object Outside Diameter 18.4-34.6 mm
Length (imperial) 98.43ft
Length (metric) 30.0m
Longitudinal Change After Shrinkage +5%/-15%
Nominal Diameter (imperial) 1.5"
Nominal Diameter (metric) 40mm
Printable No
Recovered Diameter (imperial) 0.512"
Recovered Diameter (metric) 13.0mm
Shrink Ratio 3:1
Supplied Diameter (imperial) 1.6"
Supplied Diameter (metric) 40.0mm
Trade Size 1-1/2 "
Volume Resistance 10¹⁴ Ω cm
Wall Thickness (metric) 1.25mm
Dielectric Strength 30kV/mm
Elongation at break (min.) 4%
Elongation at break test method ASTM D638
Flammability UL 224 VW-1
Halogen Free No
Material PO-X
Material Polyolefin, cross-linked (PO-X)
Min. Shrink Temperature +220 °F (+105 °C)
Operating Temperature -67°F to +275°F (-55°C to +135°C)
REACH Conformity No
ROHS compliant Yes
Test Method Tensile Strength ASTM D638
UL File Number [Logo] E143529 [RU]
UL Recognized (US and Canada) No
UL Recognized (US) Yes
Volume Resistance test method ASTM D876
Packaging 1 - Weight (kg) 2.31kg
Pkg. Qty. 30m
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