3M Glass Cloth Electrical Tape 3M27 3M69 3M361 & 3M Glass Cloth Woven Insulating Tape Alternative for Heat-stable Insulation Transformer

3M Glass Cloth Electrical Tape 27 is a tough and conformable high-performance tape. It is commonly used in 600-volt dry, coil
outer wrapping and insulating motor lead connector applications. Designed for continuous operation not exceeding 150°C (302°F) per UL listing and 130°C (266°F) per CSA listing.

3M Glass Cloth Electrical Tape 69 is a high-temperature (200°C) glass cloth tape that is UL510A flame retardant. It is commonly used in a variety of coil/transformer and motor applications, including as an outer wrap for bobbin wound coils, banding arbor wound coils, lead pad hold-down, end turns, and lead anchor and connections. Designed for continuous operation not exceeding 200°C (392°F) per UL listing and 180°C (356°F) per CSA listing.

3M Glass Cloth Tape 361 is a strong and durable, fiberglass backed tape designed to perform at high temperatures. This tape is used in a variety of aerospace, automotive, military, roofing, specialty vehicle and ship building industries for seaming and sealing panels, high temperature masking, bundling, holding and harness wrapping. It is able to withstand temperatures ranging from -65°F/-54°C to 450°F/232°C, and intermittent temperatures up to 550°F/288°C or higher, depending on the type and duration of the heat source. It can be certified to meet F.A.R. 25.853, flame resistant specifications.

Features

• Glass cloth backings
• Flexible and conformable
• High-temperature resistant
• High tensile strength
• Excellent varnish and resin absorption
• Cut-through and tear resistant

Specifications of 3M 27

Applications

3M Glass Cloth Electrical Tape is designed for high-temperature electrical insulation and mechanical reinforcement in demanding industrial environments. It is widely used in the following applications:

• Motor and Transformer Insulation
  Coil wrapping, end-turn insulation, and lead anchoring in motors, generators, and transformers.

• High-Temperature Wire Harnessing
  Bundling and securing wires and cables exposed to elevated operating temperatures.

• Electrical Component Protection
  Insulating resistors, capacitors, heating elements, and power supplies.

• Appliance Manufacturing
  Used in ovens, dryers, HVAC systems, and other heat-generating equipment.

• Industrial Equipment Maintenance
  Temporary or permanent insulation repair in high-heat environments.

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