3M™ Polyester Film Electrical Tape 58

3M™ Polyester Film Electrical Tape 58 is a clear, 3.5-mil (0.089 mm) thick tape composed of a
2-mil (0.051 mm) thick polyester film backing coated on one side with a non-corrosive,
thermosetting rubber pressure-sensitive adhesive.

FEATURES

UL Recognized flame retardant
UL Recognized Class 130°C/CSA
Excellent Flagging Resistant
Printable
Solvent resistant without thermosetting
Excellent shelf life

APPLICATIONS

Commonly used in wrapping coils, capacitors, wire harnesses, transformers, shaded pole
motors and fractional-horsepower motors
Adhesive requires no heat, moisture or other manner of preparation to affect application
Designed for continuous operation not exceeding 130°C (266°F) per UL listing

*Physical Properties*	*Value Imperial (Metric)*	*Electrical* *Properties*	*Value Imperial (Metric)*
*Color* – *Visual*	Clear	*Comparative Tracking Index (CTI)³*	I
*Adhesive*	Thermosetting Rubber	*Dielectric Breakdown¹ – Minimum*	6000 V
*Backing*	Polyester Film	*Electrolytic Corrosion Factor²*	1.0
*Mechanical Properties*	*Value* *Imperial (Metric)*	*Insulation* *Resistance¹ – Minimum*	1×10¹² Ω
*Backing Thickness – Nominal*	2 mil (0.051 mm)
*Total Thickness¹*	3.5 +/- 0.5 mils (0.089 +/- 0.013 mm)
*Adhesion to Steel¹ – Minimum*	40 oz/in (4.4 N/cm)
*Breaking Strength¹ – Minimum*	40 lb/in (70 N/cm)
*Elongation¹ – Minimum*	75%

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