2229 Mastic Tape for Sealing High-Voltage Cable Splice

Short Description:

2229 Mastic Tape are conformable, durable, tacky mastic coated on an easy release liner. The product is designed for quick and easy insulating, padding and sealing of objects that need to be protected from adverse environmental conditions. It is well suited for corrosion protection applicants and is resistant to U.V. radiation.

  • Model: DW-2229
  • Product Detail

    Product Tags



    Typical Value




    125 mil (3,18mm)

    Water Absorption(3)


    Application Temperature 0ºC to 38ºC, 32ºF to 100ºF
    Dielectric Strength (1) (Wet or Dry) 379 V/mil (14,9kV/mm)
    Dielectric Constant (2)73ºF(23ºC) 60Hz 3.26
    Dissipation Factor (2) 0.80%
    • Excellent adhesion and sealing characteristics to metals, rubbers, synthetic cable insulations and jackets.
    • Stable over wide temperature range while maintaining its sealing properties.
    • Conformable and moldable for easy applications over irregular surfaces.
    • Does not crack when subjected to repeated flexing.
    • Fully compatible with most semi-con jacketing materials.
    • Material exhibits self-healing characteristics after being punctured or cut.
    • Chemical resistance.
    • Exhibits very low cold-flow.
    • Retains its flexibility at low temperatures resulting in ease of application and continuous performance at reduced temperatures.

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    • For sealing high-voltage cable splice and termination accessories for 90º C continuous operating temperature.
    • For insulating electrical connections rated up to 1000 volts if over wrapped with vinyl or rubber electrical tape.
    • For padding irregular-shaped connections.
    • For providing corrosion protection to a wide variety of electrical connections and applications.
    • For sealing ducts and cable end seals.
    • For sealing against dust, soil, water and other environmental conditions

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