3M Temflex 165 Vinyl Electrical Tape - 600V Professional

3M Temflex Vinyl Electrical Tape 165 (Previously Temflex 1500)

3M Temflex 165 is a professional-grade polyvinyl chloride (PVC) electrical insulating tape engineered for primary wire and cable insulation on low-voltage applications. The 0.15 mm thickness delivers mechanical protection with minimal bulk, whilst flame-retardant chemistry and 600V rating provide electrical safety across diverse applications. Exceptional resistance to moisture, weather, sunlight, acids, alkalis, and temperature extremes (-7°C to +90°C) makes Temflex 165 suitable for demanding indoor and outdoor environments. VDE certification and European manufacturing with solvent-free process deliver professional reliability.

Key Features

600V Electrical Safety Rating — Rated for low-voltage applications, providing electrical insulation and safety compliance for wire and cable protection.
Flame-Retardant Construction —PVC formulation meets flame-retardant specifications, preventing fire propagation in electrical failure scenarios.
Extreme Weather Resistance — Resists moisture penetration, UV degradation, sunlight exposure, acids, alkalis - maintaining integrity in harsh outdoor environments.
Wide Temperature Operating Range — Maintains performance from -7°C to +90°C, accommodating seasonal extremes and high-temperature cable environments.
Professional VDE Certification — VDE certified to IEC 60454-3-1-5/F-PVCP/90 standards, confirming professional-grade electrical insulation performance.

Description

Electrical Insulation and Safety Requirements

Electrical systems require reliable insulation protection—improper or degraded insulation creates shock hazards, arcing risks, and fire potential. Traditional electrical tapes often degrade in harsh environments, crack at temperature extremes, or lose adhesion in outdoor conditions. Temflex 165 addresses these challenges through PVC formulation specifically engineered for electrical environments—high dielectric strength, flame-retardant chemistry, and weather resistance that persists through years of outdoor exposure.

Primary Wire and Cable Insulation Capability

Temflex 165 is rated for primary insulation on low-voltage cables—the first line of electrical protection. This rating reflects rigorous testing for dielectric strength, continuity of coverage, and reliability under normal operational stress. The 0.15 mm thickness provides adequate insulation without excessive bulk—critical for cable bundling and confined spaces where volume matters.

Flame-Retardant Protection and Fire Safety

Electrical fires represent serious hazards in buildings, vehicles, and industrial facilities. Flame-retardant chemistry prevents fire propagation if arcing or overheating occurs, limiting flame spread and reducing fire risk. This active fire protection is particularly valuable in enclosed spaces, vehicle interiors, and buildings where fire spread could trap occupants or damage infrastructure.

Moisture and Weather Resistance for Outdoor Reliability

Outdoor electrical applications—power lines, exterior connections, antenna systems—face relentless moisture and weather exposure. Temflex 165's excellent moisture resistance prevents water ingress that would degrade insulation and create electrical hazards. UV resistance protects against sunlight degradation that causes brittleness and cracking. This outdoor durability extends tape life from months (standard tapes) to years, reducing maintenance frequency and associated costs.

Temperature Extremes and Climate Adaptation

Electrical systems operate across temperature extremes—arctic outdoor installations, equipment adjacent to heat sources, tropical high-humidity environments. Temflex 165's -7°C to +90°C range accommodates this diversity without performance degradation. At temperature extremes where standard tapes would become brittle or overly soft, Temflex 165 maintains consistent conformability and adhesion.

European Manufacturing and Solvent-Free Process

Manufacturing location and process matter for quality and emissions. European production ensures consistent standards and supply chain reliability. The solvent-free manufacturing process (for standard colours) reduces chemical emissions, improves workplace safety, and supports environmental responsibility compared to solvent-based alternatives.

Acid and Alkali Resistance in Chemical Environments

Industrial facilities expose electrical systems to diverse chemical atmospheres—battery rooms, chemical processing, salt spray in coastal areas. Temflex 165's resistance to acids and alkalis prevents chemical degradation that would compromise insulation integrity. This chemical resistance is particularly valuable in corrosive industrial environments where standard tapes would fail rapidly.

More Information

Application Instructions

Ensure the wire or cable is clean and dry. Remove dirt, moisture, and grease before tape application—clean surfaces ensure optimal adhesion.

Verify the cable is de-energised before application. Safety requires power disconnection before handling electrical conductors.

Start taping at the junction or damaged area. Begin application at the point requiring insulation, overlapping at least 50% of the previous wrap.

Wrap the tape with firm, even tension. Apply consistent pressure as the tape wraps around the cable—avoid excessive looseness or stretching.

Overlap successive wraps by 50% minimum. Each successive wrap should cover half of the previous layer, ensuring continuous insulation coverage.

Maintain even tension throughout application. Consistent wrapping ensures uniform compression and optimal adhesion across the entire wrapped area.

Extend beyond the damaged area on both sides. For repairs, extend insulation at least 25 mm beyond the damaged section on both sides for complete protection.

Press the tape firmly to ensure adhesion. After wrapping, press the tape surface firmly to activate adhesion and eliminate air gaps.

Allow brief settling time before energising. Allow the tape to set for several minutes before restoring power to the cable.

Inspect the wrapped area for coverage gaps. Verify no copper or core material is visible—complete coverage is essential for electrical safety.

Label the cable if repairs were made. For maintenance tracking, mark the cable with repair location and date.

Store unused tape in cool, dry conditions. Keep Temflex 165 rolls at room temperature, away from excessive heat or moisture.

Specifications

Product Type Professional-grade PVC electrical insulating tape

Format Roll in multiple widths and lengths

Material Polyvinyl chloride (PVC)

Thickness 0.15 mm

Adhesive Type Rubber-based

Voltage Rating 600V

Temperature Operating Range -7°C to +90°C

Flame-Retardant Yes

Certification VDE certified, IEC 60454-3-1-5/F-PVCP/90

UV Resistant Yes

Primary Colours Black, Blue, Brown, Green, Green/Yellow, Grey, Orange, Purple, Red, White, Yellow

Available Widths 15 mm, 19 mm, 25 mm

Available Lengths 10 m, 20.12 m, 25 m (depending on width)

Corresponding Footage 32.8 ft, 66 ft, 82 ft

Primary Application Wire and cable primary insulation (low voltage)

Secondary Applications Cable repair, harnessing, bundling, protective wrapping

Electrical Safety Insulation resistance >10¹² ohms

Moisture Resistance Excellent moisture protection

Weather Resistance Superior weather and sunlight resistance

Chemical Resistance Resistant to acids and alkalis

Conformability Highly conformable to irregular cable shapes

Mechanical Protection Protects against abrasion and mechanical damage

Adhesion Performance Strong initial tack with durable long-term adhesion

Manufacturing Origin Made in Europe (excludes Yellow/Green products)

Manufacturing Process 100% solvent-free (excludes Yellow/Green products)

Emissions Profile Low-emission manufacturing process

Shelf Life 5 years with proper storage

Smallest Saleable Unit Individual roll

Package Options Single rolls, Rainbow 10-pack with colour variety

Professional Grade Suitable for professional installation and maintenance

Indoor/Outdoor Use Appropriate for both indoor and outdoor applications

Market Sectors Electrical maintenance, construction, industrial, utilities

HS Code 3919.10

Documents

Technical Data Sheet

FAQs

Is 3M Temflex 165 suitable for outdoor overhead power lines, or only indoor wiring?

Temflex 165 is suitable for both indoor and outdoor applications. The superior weather, UV, and moisture resistance makes it appropriate for outdoor electrical applications. However, overhead power line insulation typically requires specialised cable-grade insulation rather than wrap tape. Use Temflex 165 for outdoor cable repairs, ground-level connections, and protective wrapping; consult specifications for primary overhead line applications.

What's the difference between the European-manufactured colours and Yellow/Green products in terms of solvent-free manufacturing?

Standard colours (Black, Blue, Red, etc.) are manufactured in Europe using a 100% solvent-free process, reducing emissions and chemical exposure. Yellow/Green colours are manufactured elsewhere with potentially different processes. For environmental and emissions-reduction benefits, specify standard European colours when applications allow. Both meet electrical performance standards; the manufacturing difference primarily affects emissions profile and emissions reduction benefits.

Can Temflex 165 be used on cables operating at the full 90°C maximum temperature, or should I use it only below that temperature?

Temflex 165 is rated for sustained operation to 90°C—this is the maximum temperature at which the tape maintains its electrical and physical properties. Cables operating continuously near 90°C are within specification, though accelerated degradation may occur at sustained extremes. For cables operating consistently near maximum temperature, consider thicker insulation or specialised high-temperature alternatives. For typical applications with occasional temperature peaks to 90°C, Temflex 165 provides reliable performance.

How many wraps or layers of Temflex 165 tape are needed for proper insulation of a damaged cable?

For repair of minor damage, 3–4 overlapped layers (with 50% overlap each wrap) typically provide adequate re-insulation. For more substantial damage, 5–6 layers ensure robust coverage. The total wrapped thickness should equal or exceed the original cable insulation thickness. Individual cable specifications and voltage ratings may require additional layers; consult cable documentation or electrical safety guidelines for the specific application.

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Variant	Variant total	Quantity	Price	Variant total
Black	Black £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

Yellow	Yellow £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

Grey	Grey £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

Brown	Brown £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

White	White £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

Neon Blue	Neon Blue £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

Green	Green £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

Orange	Orange £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

Red	Red £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

Green/Yellow	Green/Yellow £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

Purple	Purple £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

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3M Temflex Vinyl Electrical Tape 165 (Previously Temflex 1500)

3M Temflex Vinyl Electrical Tape 165 (Previously Temflex 1500)

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3M Temflex Vinyl Electrical Tape 165 (Previously Temflex 1500)

Key Features

Description

Electrical Insulation and Safety Requirements

Primary Wire and Cable Insulation Capability

Flame-Retardant Protection and Fire Safety

Moisture and Weather Resistance for Outdoor Reliability

Temperature Extremes and Climate Adaptation

European Manufacturing and Solvent-Free Process

Acid and Alkali Resistance in Chemical Environments

More Information

Application Instructions

Specifications

Documents

FAQs

Is 3M Temflex 165 suitable for outdoor overhead power lines, or only indoor wiring?

What's the difference between the European-manufactured colours and Yellow/Green products in terms of solvent-free manufacturing?

Can Temflex 165 be used on cables operating at the full 90°C maximum temperature, or should I use it only below that temperature?

How many wraps or layers of Temflex 165 tape are needed for proper insulation of a damaged cable?

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