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20/02/2026

Medium wall heat shrink tubing
Art.-No. 323-21000 | MA47-235/65-1000-BK-PO-X-BK

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MA47 - Halogenfree 4:1 Medium Dual Wall Heat Shrink Tubing.
Heat Shrink Tubing 4:1 with adhesive
MA47 for above and below ground.

    • MA47 has been designed to protect cable joints and terminations in low voltage applications.
    • The adhesive lining makes it especially suitable for above and underground cable applications.
    • This medium wall tubing is flexible yet has robust insulation characteristics.
    • MA47 tubing is coated with a thermoplastic adhesive on the inside, which protects against humidity and other kinds of environmental impacts after shrinking.
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    Application Insulation and protection of low voltage cable joints and terminations above and below ground.
    Behaviour At Low Temperature not cracking
    Behaviour at Heat Shock not cracking, not fluid, not dripping
    Behaviour at low Temperature test method ASTM D2671
    Color Black (BK)
    Elongation At Heat Aging 300%
    Heat Aging Test 168h/150°C
    Heat Aging test method ASTM D2671
    Heat Shock Test 4h/225°C
    Minimum Tensile Strength At Heat Aging 12MPa
    PART DESCRIPTION MA47-235/65-1000-BK-PO-X-BK
    Part No. 323-21000
    Short Desc. MA47 is an adhesive lined medium wall, heat shrink with a 4:1 shrink ratio. Black (3.28 ft/stk.)
    Type MA47-235/65-1000-BK
    For Object Outside Diameter 99-201 mm
    Longitudinal Change After Shrinkage -10% max.
    Printable No
    Recovered Diameter (metric) 65.00mm
    Shrink Ratio up to 4:1
    Supplied Diameter (metric) 235.00mm
    Volume Resistance 10¹² Ω cm
    Wall Thickness (metric) 3.7mm
    Adhesive Hot melt adhesive
    Dielectric Strength 15kV/mm
    Dielectric Strength test method IEC 60243
    Elongation at break (min.) 350%
    Elongation at break test method ASTM D2671
    Halogen Free Yes
    Material PO-X
    Material Polyolefin, cross-linked (PO-X)
    Min. Shrink Temperature +248 °F (+120 °C)
    Oil resistant Yes
    Operating Temperature -67°F to +230°F (-55°C to +110°C)
    REACH Conformity Yes
    ROHS compliant Yes
    Test Method Tensile Strength ASTM D2671
    UL Listed (US) No
    UL Recognized (US) No
    Volume Resistance test method IEC 93
    Pkg. Qty. 12m

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    Art.-No.: 323-21000 Contact
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