Cloth & Duct Tapes

PC 621 Heavy Duty Cloth Duct Tape

Heavy duty cloth duct tape designed for HVAC applications to hold, seal and seam sheet metal and flex duct, exhaust vents and preformed insulation, and can also be used in industrial applications for holding, splicing, protecting and packaging. Use PC 621 for demanding applications that require an easy-to-use tape with excellent conformability, tack and holding power.

Features & Applications

  • Heavy duty duct tape
  • Excellent tack, conformability and holding power
  • Easy to unwind and tear
  • Will not twist or curl during application
  • Waterproof backing
  • Specifications

    Learn more about PC 621 in depth by exploring all of its features and uses. You can also visit TapeUniversity.com to learn more about choosing and using tapes.

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    Markets

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    Construction

    Backing: Waterproof polyethylene film with a cloth carrier

    Adhesive: Natural rubber adhesive

    Liner: NA

     

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    Properties & Technical Data

    Product Nomenclature: PC 621
    Property Standard Metric
    Adhesion to Stainless Steel 55 oz/in width 6.02 N/10 mm
    Elongation 18% 18%
    Service Temperature Range 50 F to 200 F 10 C to 93 C
    Tensile 30 lbs/in width 52.5 N/10 mm
    Thickness 11.0 mils 0.28 mm
    Physical and performance characteristics shown above are obtained from tests recommended by PTSC, ASTM, government agencies or Shurtape Technologies, LLC, Quality Assurance and Technical Service departments and do not represent product specifications or a guarantee of product performance. Individual rolls may vary from these standards (or physical properties). The user should determine whether the product is fit for a particular purpose and is suitable for the user’s method of application before use.
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    Downloads

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    Sizes & Colors

    Colors Available: Silver (SIL) Silver Printed (SPT)

    Lengths Available: 60.1 yd

    Widths Available: 1.88 in

    Sizes and colors disclaimer: Lead times may apply. Please contact Shurtape customer service for information related to stock and non-stock sizes and colors.

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    Storage & Usage Conditions

    Tape should be stored in its original packaging in a cool, dry area away from direct sunlight and should be used within 12 months of date of shipment. Surfaces to which tape is applied should be clean, dry and free of grease, oil or other contaminants.
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    Applicable Standards

    Tested in accordance with UL 723

    WHERE TO BUY

    Shurtape Cloth & Duct Tapes products can be found online or nationwide at the following preferred retailers. Check our Where to Buy page for more information on where to buy Shurtape products.

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