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Adchem Corp. 4378M
Double Coated Polyester Film

General Information
4378M has a 0.5mil, double coated polyester backing & is used to bond to a variety of ether, ester and low perm foams. 4378M is constructed by coating two high tack, high heat resistance acrylic adhesives on a 0.5 mil poyester film.
Backing Adhesive
(unwind)		 Thickness
(total)		 Liner Type
(outer)
PET - Polyester Acrylic 4.30 mil  

Adhesion to Steel
180° Peel		 adhesion to steel 180° peel - liner side Tensile Strength Elongation Percent
48.00 oz/in 56.00 oz/in    

Min Application
Temp		 Min Service
Temp		 Max Short-Term
Temp		 Max Long-Term
Temp
40 °F 0 °F    
Adhesive Tape Features
  • Static shear: 1"^2x1,000g 168+ hours
  • Excellent adhesion to a broad spectrum of foam substrates
  • High tack, high adhesion acrylic adhesion (on both liner and exposed side)
  • High heat resistance
  • Biostatic additive inhibits microbial growth
Adhesive Tape Applications
  • Bonds to:
  • Ester
  • Ether
  • Low permurethane foams
Adhesive Tape Markets Served
Adhesive Tape Colors

Comparable products
Adchem Corp. 4378M View Datasheet
Double Coated Polyester Film
Backing Adhesive Thickness Adhesion
 PET - Polyester   Acrylic   4.30mil   48.00oz/in 

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Pricing Popup Link: <Not Available>

Recommended Rank: 25

Avery Dennison 8311 View Datasheet
Double Coated Polyester Film
Backing Adhesive Thickness Adhesion
 PET - Polyester   Acrylic   4.10mil   70.00oz/in 

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Pricing Popup Link: <Not Available>

Recommended Rank: 25

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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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