3M74-**薄橡胶带

74 Tape Polyester  Film With Rubber Adhesive

Data Sheet

Product Description
3M 74 Tape is a 0.5-mil polyester film with rubber thermosetting adhesive.
• 0.5-mil polyester film backing • Rubber thermosetting adhesive • Supplied on 3 inch cores
Like all 3M insulating tapes, 3M 74 Tape is available in standard and custom widths and lengths.  Standard length is 72 yards.
• Widths from 1/4” to 15.5 • Longer lengths up to several times normal length, dependent upon width.  Check with Customer Service.

Applications
3M 74 Tape is conformable; provides good electrical strength for coil applications where space is at a premium.

Properties Typical Values
Adhesive Rubber Thermosetting
Backing Polyester Film Backing Thickness1 0.5 Mil
Total Thickness 0.8 mils/0,02mm
Color Yellow Temperature Class 130°C /266°F Dielectric Breakdown1 3500 Volts Insulation Resistance1  (megohms) >1 x 106 Breaking Strength1 12 lbs./in. (21 n/10mm) Elongation1 (% at break) 100 Electrolytic Corrosion Factor2 1.0 Adhesion to Steel1 20 oz./in. (2,2 n/10mm)
* Footnote:     1.  Test method ASTM D 1000     2.  3M Test Method-Available on request