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PC 621

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 & Benefits

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

Related Products

PC 721

Extreme hold, co-extruded cloth duct tape for heavy duty HVAC and industrial applications.

Typical Applications

  • For demanding HVAC applications to hold, seal and seam sheet metal and flex duct, exhaust vents and preformed insulation
  • Can also be used in industrial applications for holding, splicing, protecting and packaging

Specifications

Construction

  • Backing: Waterproof polyethylene film with a cloth carrier
  • Adhesive: Natural rubber adhesive
  • Liner: NA

Properties & Technical Data

Property Standard Metric
Adhesion to Stainless Steel 62 oz/in width 6.79 N/10 mm
Elongation 10% 10%
Service Temperature Range 50 F to 200 F 10 C to 93 C
Tensile 27 lbs/in width 47.3 N/10 mm
Thickness 11 mils 0.28 mm

Physical and performance characteristics shown above are obtained from tests recommended by PSTC, ASTM, government agencies or Shurtape Technologies, LLC, Quality Assurance and Technical Service departments and do not represent a guarantee of product performance. Individual rolls may vary slightly from these averages. 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.

Applicable Standards

FSI 5/SDI 5, UL 723

Sizes & Colors

Colors Available:

Black (BLK) Black (BLK) Silver (SIL) Silver (SIL) Silver Printed (SPT) Silver Printed (SPT)

Lengths Available: 60.1 yd

Widths Available: 1.88 in, 2.83 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.

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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