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22/02/2026

Heat shrinkable tubing up to 3:1 (52/22 mm), self extinguishing and overexpanded, black, 30 m reel
Art.-No. 300-73220 | TCN20-52.0/22.0-PO-X-BK

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TCN20 Overexpanded - reliable insulation with an enhanced shrink ratio.
Heat Shrink Tubing 3:1
Due to its thin wall TCN20 overexpanded is suitable for insulation of antennas.

    • This extremely fast shrinking, thin wall tubing with its high shrink ratio of approx.
    • 3:1 is flexible, and self-extinguishing.
    • Its mechanical strength and resistance against chemicals and solvents make it suitable for a wide range of applications.
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    Application Mechanical and electrical protection applications for parts with high diameter variances. This fast shrinking tubing makes it suitable for high volume production.
    Brand Family TCN20 Overexpanded
    Color Black (BK)
    Elongation At Heat Aging 350%
    Heat Aging Test 168h/160°C
    Minimum Tensile Strength At Heat Aging 14MPa
    PART DESCRIPTION TCN20-52.0/22.0-PO-X-BK
    Packaging Type reel
    Part No. 300-73220
    Product family Insulation
    Type TCN20-52.0/22.0
    For Object Outside Diameter 28-46 mm
    Length (metric) 30.0m
    Longitudinal Change After Shrinkage +/-5%
    Printable No
    Recovered Diameter (metric) 22.0mm
    Shrink Ratio 3:1
    Supplied Diameter (metric) 52.0mm
    Tube Shape Flat
    Volume Resistance 10¹⁴ Ω cm
    Wall Thickness (metric) 1.00mm
    Dielectric Strength 20kV/mm
    Dielectric Strength test method IEC 243
    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)
    ROHS compliant Yes
    UL File Number [Logo] E143529 [RU]
    UL Recognized (US) Yes
    Volume Resistance test method IEC 93
    Pkg. Qty. 30m

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    Art.-No.: 300-73220 Contact
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