3M-74 Tape – Polyester Film With Rubber Adhesive

0.5-mil polyester film with rubber thermosetting adhesive. Conformable, provides good electrical strength for coil applications where space is at a premium. Supplied on 3 inch cores in standard and custom widths and lengths.

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Additional Information

Brand

Product Number

74

Composition

0.5 mil polyester film backing; rubber thermosetting adhesive; total thickness 0.8 mils/0.02mm; color yellow

Applications

Coil applications; electrical insulation

Adhesion

Adhesion to steel 20 oz/in (2.2 N/10mm, ASTM D1000); dielectric breakdown 3500 volts; insulation resistance >1×10^6 megohms; breaking strength 12 lbs/in (21 N/10mm); elongation 100%; electrolytic corrosion factor 1.0

Temperature Range

Temperature class 130C/266F

Thickness

0.8 mils/0.02mm total; standard length 72 yards; widths 1/4in to 15.5in

Datasheet

https://thetapelab.com/wp-content/uploads/datasheets/3m-74.pdf

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