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  • Polypropylene film backing provides high tensile strength for demanding applications
  • Hand tearable tape unwinds easily from the roll
  • Resists flame, moisture, UV degradation, chemical attack
  • Protects and insulates flexible ducts and connector systems
  • Durable cold weather acrylic adhesive provides long-term adhesion

3M™ Metallized Flexible Duct Tape 3350 is a 3.1 mil thick silver polypropylene tape with an aggressive acrylic adhesive used for sealing flexible ducts and connector systems. This tape meets the requirements of UL181B-FX and is used by commercial contractors in the residential and commercial construction industry.

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3M™ Metallized Flexible Duct Tape 3350, Silver, 48 mm x 109.6 m, 3.1mil, 12 rolls per case 3M™ Metallized Flexible Duct Tape 3350, Silver, 72 mm x 457.2 m, 3.1mil, 4 rolls per case
3M™ Metallized Flexible Duct Tape 3350, Silver, 48 mm x 109.6 m, 3.1 mil, 12 rolls per case
Full Retail Price $447.12
Online Only Price $283.92
You save $163.20!
3M™ Metallized Flexible Duct Tape 3350, Silver, 72 mm x 457.2 m, 3.1 mil, 4 rolls per case
Full Retail Price $6,297.70
Online Only Price $3,999.04
You save $2,298.66!
   
 
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Ideal for Flexible HVAC Duct Work
We constructed 3M™ Metallized Flexible Duct Tape 3350 with a 1.6 mil polypropylene foil backing and a strong, pressure sensitive cold weather acrylic adhesive with a temperature range of -40°F (-40°C) to 185°F (85°C). This tape is flame, moisture, UV and chemical resistant and is commonly used for sealing flexible ducts and connector systems in residential and commercial construction.

Recommended Applications

  • Sealing of flexible air ducts and air connectors

Protects, Seals and Repairs
Tough and versatile, with a wide range of unique characteristics, 3M™ Foil Tapes are indispensable on the jobsite. From sealing ducts and reflective insulation and repairing air connectors, roofs, gutters and flashing to creating vapor barriers in extreme temperature applications -- no toolbox should be without them.

Bringing Better Ideas to the Surface through Science and Innovation
In the 3M Industrial Adhesives and Tapes Division, they apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, their technologies help customers like you deliver competitive products to the market faster and more efficiently.