Home » Products » 3M™ Glass Cloth Electrical Tape 27 – Rubber adhesive – High-temperature insulation, coil cover, anchor, banding, corrosion protection

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3M™ Glass Cloth Electrical Tape 27 – Rubber adhesive – High-temperature insulation, coil cover, anchor, banding, corrosion protection

• Item Name: 3M™ Glass Cloth Electrical Tape 27
• Manufacturer: 3M
• Technologies: Pressure-sensitive rubber thermosetting adhesive, woven glass cloth backing
• Color: White
• Cure Type: Pressure sensitive (self-adhesive, no curing required)
• Package Size: Contact to Techniq VN for details
• Shelf Life: 5 Years

1. Product Overview

3M™ Glass Cloth Electrical Tape 27 is a 7-mil woven insulating tape with a pressure-sensitive rubber thermosetting adhesive. Designed for 600 V dry applications, it provides high mechanical strength, abrasion resistance, and excellent high-temperature performance. The adhesive offers corrosion protection, and the tape is edge-tear resistant, conformable, and printable. It is suitable for coil covering, anchoring, banding, and as core, layer, or crossover insulation in electrical assemblies.

2. Applications

Insulation in 600 V dry applications
Coil cover, anchor, and banding
Core, layer, and crossover insulation
High-temperature and high-strength electrical protection
Environments requiring corrosion protection

3. Typical Properties

Property	Value
Adhesive Type	Rubber thermosetting
Backing Material	Glass cloth
Backing Thickness	0.127 mm
Dielectric Strength	2725 V
Electrolytic Corrosion Factor	0.9
Insulation Resistance	5 × 10¹ MΩ
Max Operating Temp	150 °C
Min Operating Temp	0 °C
Product Color	White
Total Thickness	0.178 mm
Roll Length	55 m
Roll Width	616 mm
Tensile Strength	252 N/cm
Tape Grade	Professional
Shelf Life	5 years

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