Heat Resistant Electrical Harness Tape 9–50mm | Waterproof – Peaceful Pleasures Health and Wellness

Q: Which width should I choose for my wiring loom?

For standard automotive wiring bundles, 19mm or 25mm widths are the most popular choices. Narrower widths (9mm–15mm) work well for thin individual cables, while wider widths (32mm–50mm) are ideal for large harness bundles or flat cable runs.

Protect & Wrap Your Wiring with Professional-Grade Harness Tape

Keep your vehicle's wiring loom neat, secure, and fully protected with this heavy-duty Flannel Electrical Harness Tape. Designed for automotive, DIY electrical, and cable management applications, this self-adhesive tape delivers outstanding insulation, waterproofing, and heat resistance in a flexible, easy-to-wrap form. Available in widths from 9mm to 50mm and lengths up to 25m, there's a perfect size for every job.

Key Features

Heat Resistant: Withstands continuous temperatures up to 105°C — ideal for under-bonnet and high-heat environments
Waterproof Construction: Seals out moisture, dust, and grime to keep connections clean and reliable
Flannel Material: Soft yet durable flannel backing conforms easily around bundled cables, corners, and irregular shapes
Excellent Insulation: Provides reliable electrical insulation to prevent shorts and protect sensitive wiring
Wide Range of Sizes: Choose from 9mm, 15mm, 19mm, 25mm, 32mm, or 50mm widths in 10m, 15m, or 25m rolls
Multi-Pack Options: Available in 1, 2, 3, or 4-piece packs for larger projects or workshop stocking
Universal Use: Suitable for automotive wiring looms, home electrical projects, cable bundling, and general repairs
Classic Black Finish: Clean, professional-looking black colour blends seamlessly with most cable assemblies

Specifications

Material	Flannel
Widths Available	9mm, 15mm, 19mm, 25mm, 32mm, 50mm
Lengths Available	10m, 15m, 25m
Max Temperature Resistance	105°C (long-term)
Colour	Black
Pack Quantity	1, 2, 3, or 4 rolls
Country of Origin	Made in China

Common Applications

Automotive wiring loom bundling and protection
Car audio and electronics cable management
Home and workshop electrical insulation
Marine and outdoor cable weatherproofing
General DIY repair and cable bundling

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For guidance on safe electrical wiring practices, visit the U.S. Consumer Product Safety Commission – Electrical Safety.

Learn more: Electrical tape

Frequently Asked Questions

Q: What temperature can this electrical harness tape withstand?

A: This flannel harness tape is rated for long-term use at up to 105°C, making it well suited for under-bonnet automotive applications and other environments where heat exposure is a concern.

Q: Is this tape suitable for outdoor or wet environments?

A: Yes. The tape features a waterproof construction that seals out moisture, making it appropriate for exterior cable runs, engine bays, and other areas exposed to water or humidity.

Q: Which width should I choose for my wiring loom?

A: For standard automotive wiring bundles, 19mm or 25mm widths are the most popular choices. Narrower widths (9mm–15mm) work well for thin individual cables, while wider widths (32mm–50mm) are ideal for large harness bundles or flat cable runs.