20/02/2026

Heat shrinkable tubing 2:1 (38.1/19.1 mm), self extinguishing, black, 30 m reel
Art.-No. 300-73110 | TCN20-38.1/19.1-PO-X-BK

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  • Tubing is 2:1, thin wall and self extinguishing providing good resistance to common fluids and solvents.
  • Low shrink temperature gives excellent physical and electrical performance.
  • Available in multiple diameters and lengths offering several options to fit specific needs.
Package size
Application TCN20 is suitable for a wide range of applications like electrical insulations, mechanical protection and cable bundling.
Brand Family TCN20
Color Black (BK)
Description TCN20 Heat Shrink is a general purpose, thin wall tubing used to protect electrical and mechanical wiring. Polyolefin material is self extinguishing and resistant against common fluids and solvents. The low shrink temperature and mechanical strength make this tubing widely used in the electric and electronics industry. Available in a wide range of diameters up to 2.0 (50.8mm) and multiple lengths. TCN20 Heat Shrink is UL224 125 °C 600V VW-1 and RoHS.
Elongation At Heat Aging 350%
Heat Aging Test 168h/160°C
Minimum Tensile Strength At Heat Aging 14MPa
PART DESCRIPTION TCN20-38.1/19.1-PO-X-BK
Packaging Type reel
Part No. 300-73110
Product family Insulation
Short Desc. Heat Shrink Tubing, 1.5", Supp, .75", Recov, Polyolefin, Black, 98ft/reel
Type TCN20-38.1/19.1
For Object Outside Diameter 22.9-34.3 mm
Length (imperial) 98.43ft
Length (metric) 30m
Longitudinal Change After Shrinkage +/-5%
Nominal Diameter (metric) 38.1mm
Printable No
Recovered Diameter (imperial) 0.75"
Recovered Diameter (metric) 19.1mm
Reel Length (imperial) 100.0ft
Shrink Ratio 2:1
Size (imperial) 1-1/2"
Supplied Diameter (imperial) 1.5"
Supplied Diameter (metric) 38.1mm
Trade Size 1-1/2 "
Tube Shape Round
Volume Resistance 10¹⁴ Ω cm
Wall Thickness (imperial) .04"
Wall Thickness (metric) 0.96mm
CSA Certified No
Dielectric Strength 20kV/mm
Elongation at break (min.) 400%
Flammability UL 224 VW-1
Halogen Free No
Material PO-X
Material Polyolefin, cross-linked (PO-X)
Min. Shrink Temperature +212 °F (+100 °C)
Operating Temperature -67°F to +257°F (-55°C to +125°C)
REACH Conformity No
ROHS compliant Yes
UL File Number [Logo] E143529 [cRUus]
UL Recognized (US and Canada) Yes
UL Recognized (US) Yes
Packaging 1 - Weight (kg) 3.294kg
Pkg. Qty. 98.4ft
Pkg. Qty. 30m
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