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3M 44
Polyester Web-Reinforced Film

General Information
A 5.5 mil. electrical tape consisting of polyester film backing and thermosetting rubber adhesive primarily used for stick-wound coils/ transformers and in bobbin-wound coils. For maximum solvent resistance and holding properties, the tape should be thermoset at: 1hour for 300°F/ 2hours for 275°F or 3hours for 250°F.
Backing Adhesive
(unwind)		 Thickness
(total)		 Liner Type
(outer)
PET - Polyester Rubber 5.50 mil  

Adhesion to Steel
180° Peel		 Adhesive Activation Tensile Strength Elongation Percent
65.00 oz/in Pressure 40.00 lbs/in 50.00%

Min Application
Temp		 Min Service
Temp		 Max Short-Term
Temp		 Max Long-Term
Temp
40 °F 0 °F 266 °F  
Adhesive Tape Features
  • Polyester film backing
  • Thermosetting, pressure-sensitive rubber adhesive
  • Puncture resistance: 12lbs.
  • Excellent electrical properties
  • Class B- 300°F
  • CTI material group: 1
  • Puncture resistant
  • Conformable
  • Solvent resistant
  • Good holding properties
Adhesive Tape Applications
  • Stick-wound coils/ transformers
  • Bobbin-wound coils
  • Banding
  • Anchoring
  • Insulating
  • Protective start wires
  • Leads
  • Terminal strips
  • Insulation paper
  • End turns
  • Connections in motors and transformers
Adhesive Tape Markets Served
Adhesive Tape Colors

Comparable products

3M 44 View Datasheet
Polyester Web-Reinforced Film
Backing Adhesive Thickness Adhesion
 PET - Polyester   Rubber   5.50mil   65.00oz/in 
Ideal Tape Co. Inc. 750 View Datasheet
Reinforced Polyester Film
Backing Adhesive Thickness Adhesion
 PET - Polyester   Rubber   5.00mil   35.00oz/in 

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