3M SCOTCH-No.69 (6-mm-Roll)

Additional Product Information

Overview

3M Scotch Glass Cloth Electrical Tape 69 is a premium high-temperature electrical insulation tape constructed with a woven glass cloth backing and a thermosetting silicone adhesive. In aviation and MRO environments, it is relied upon for protecting electrical and electromechanical assemblies exposed to elevated temperatures, vibration, flame, solvents, and mechanical stress. Maintenance teams trust Tape 69 for its consistent performance, durability, and compliance with aerospace insulation standards in both scheduled maintenance and AOG situations.

Key Technical Specs for 3M Scotch Glass Cloth Electrical Tape 69

• Type: Glass cloth electrical insulation tape with silicone adhesive
• Size / Volume: Common widths include 9 mm, 12 mm, 15 mm, 30 mm, 38 mm, 50 mm, standard length 33 m (108 ft)
• Color: White
• Tensile / Peel Strength: High mechanical strength with excellent edge-tear resistance
• Service Temp: Continuous up to 200°C (392°F); Class H insulation up to 180°C (356°F)
• Typical Uses: Electrical insulation, coil covers, anchor wraps, banding, crossover insulation

Approvals & Specifications

• MIL-I-19166C
• AA59770A (Type IV GFT)
• UL 510
• UL recognized for continuous use up to ~200°C (392°F)

Typical Aircraft MRO / AOG Applications

• Insulation of aircraft wiring harnesses and cable bundles
• Coil covering and crossover insulation in electrical assemblies
• Anchor wraps and banding in high-temperature zones
• Use in avionics bays, engine nacelles, and other heat-exposed areas

Compatibility & Safety Notes

• Compatible with common aircraft wire insulations and metal substrates
• Non-corrosive and flame-resistant silicone adhesive system
• Resistant to solvents, moisture, vibration, and thermal cycling
• Standard PPE recommended during installation

Packaging & Procurement

• Supplied in roll form, typically 33 m (108 ft) per roll
• Available in multiple widths to suit tight harnesses or larger components
• Commonly stocked in aircraft MRO and AOG inventories

Why 3M Scotch Glass Cloth Electrical Tape 69 is Chosen for AOG / MRO

• Proven high-temperature performance in critical aircraft systems
• Immediate application with no curing or downtime
• Reliable insulation under vibration and harsh operating conditions
• Recognized and accepted across aerospace maintenance documentation

Practical Suggestions for Your Team (AOG Mindset)

• Stock multiple widths to handle both tight harnesses and larger wraps
• Keep rolls in avionics and electrical AOG kits for rapid response
• Train technicians on tight, even wrapping to maximize thermal performance

Manufacture / Aviation Spec Codes

• Manufacturer: 3M
• MIL-I-19166C
• AA59770A Type IV
• UL 510

Alternative Names & Descriptions

• 3M Scotch Glass Cloth Electrical Tape No. 69
• 3M Tape 69 High-Temperature Glass Cloth Tape
• 3M Class H Glass Cloth Insulation Tape
• 3M Silicone Adhesive Glass Cloth Tape
• 3M Electrical Tape 69