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3M 442
Double Coated Film Tape

General Information
A 4.0 mil. double coated tape featuring R-30 rubber adhesive with a polyester backing used for bonding similar and dissimilar materials, such as rubbers, metals, glass, wood, papers, paints and plastics. R-30 is a pressure-sensitive, firm rubber-resin adhesive system. It features high shear holding power, good high temperature performance, good solvent resistance and good adhesion to a wide variety of materials. 442 tape is not recommended for direct exposure to sunlight or other sources of ultra violet light.
Backing Adhesive
(unwind)		 Thickness
(total)		 Liner Type
(outer)
PET - Polyester Rubber 4.00 mil Paper (4.0 mil., tan)

Adhesion to Steel
180° Peel		 adhesion to steel 180° peel - liner side Tensile Strength Elongation Percent
50.00 oz/in 50.00 oz/in    

Min Application
Temp		 Min Service
Temp		 Max Short-Term
Temp		 Max Long-Term
Temp
50 °F 0 °F 180 °F 150 °F
Adhesive Tape Features
  • R-30 rubber adhesive
  • Polyester film backing
  • 4.0 mil. paper liner
  • High shear holding power
  • High temperature performance
  • Solvent resistant
  • Good adhesion
Adhesive Tape Applications
  • Splicing of films, foils, papers and fabrics
  • Holding objects where high shear forces are encountered
  • Holding, grinding and polishing pads
  • Miscellaneous joining and holding uses
Adhesive Tape Markets Served
Adhesive Tape Colors
  • Cream

Comparable products
3M 442 View Datasheet
Double Coated Film Tape
Backing Adhesive Thickness Adhesion
 PET - Polyester   Rubber   4.00mil   50.00oz/in 

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The physical properties listed are typical values and are not to be considered as specifications. Our suggestions for use are based on tests we believe to be reliable. However, the purchaser must carry out their own tests to determine the suitability of the product for their internal use. Information is given in good faith, but without warranty.

It is essential, as with all pressure-sensitive tapes, that the surface to which the tape is applied be clean, dry and free of grease and oil.

Shelf life from date of manufacture is based on the product being stored at 70°F(21°C) / 50% relative humidity out of direct sunlight.

Specification compliance is dynamic and should only be used as a general guide. Always confirm that the tape you are interested in currently complies with all specification requirements. Please verify that the product number that you select is available in the proper size and color to meet your specification.

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