Venture Tape 33803


3M 33803

3M™ Aluminum Foil Tape 33803, 1.8 mil aluminum foil, 1.8 mil rubber adhesive, 40 lb polycoated Kraft paper, (Venture 3530CW), Restricted 1.8 mil aluminum foil with rubber based adhesive for duct sealing .

With over 50 years of leadership providing innovative adhesive formulations and application systems, 3M can be relied upon for the most comprehensive and versatile line of adhesive tapes, offering options for joining thousands of material combinations.


  • 1.8 mil general purpose aluminum foil backing with a rubber adhesive.
  • High tack rubber adhesive.
  • UL 723 classified.
  • 40 lb. liner.
  • High peel and quick tack.
  • Hand tearable for easy installation.

Typical Applications: 

  • The malleable foil applies easily to both fibrous and sheet metal ducts and conforms to irregular surfaces.
  • 3M tape 33803 performs well in demanding temperature and humidity applications and provides good performance and durability over a wide range of environmental conditions.

Data Sheets & Summary Sheets