Scotch 27 Glass Cloth Electrical Tape 3M

Class B insulation for electrical applications

Parameter

Specification

Product Name

™ Scotch® Glass Cloth Electrical Tape 27

Backing Material

Woven glass cloth

Adhesive

Thermosetting rubber pressure-sensitive adhesive

Color

White

Total Thickness

0.18 mm (7.25 mil)

Standard Size

12 mm / 19 mm × 55 m (60 yd)

Voltage Rating

600V (dry applications)

Temperature Rating

Continuous: 150°C (302°F)CSA: 130°C (266°F)

Dielectric Strength

2725 V (minimum)

Insulation Resistance

50 × 10⁶ Ω (minimum)

Adhesion to Steel

4.2 N/cm (38 oz/in)

Breaking Strength

210 N/cm (120 lb/in)

Key Features

• High mechanical strength & abrasion resistantHeat resistant up to 150°C• Edge-tear resistant & conformable• Printable surface• Good corrosion protection

Typical Applications

• Coil wrapping & insulation (motors, transformers)• Motor lead connectors• Layer & crossover insulation• High-temperature dry electrical insulation

Agency Compliance

UL Recognized, CSA Certified

Shelf Life

5 years