74 Tape Polyester Film With Rubber Adhesive Data Sheet Product DescriptionApplications 3M™ 74 Tape is a 0.5-mil polyester film with rubber strength for coil applications where space is at a 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. Longer lengths up to several times normal length, dependent upon width. Check with Customer Service. 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)
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