3M Composite Film Electrical Tape 44

3M Composite Film Electrical Tape 44 is a high-performance electrical insulation tape engineered with a polyester web and polyester film backing, paired with a thermosetting rubber adhesive. This combination provides outstanding dielectric strength, excellent adhesion, and long-term resistance to heat, puncture, solvents, oxidation, and oils.

Designed for demanding electrical applications, this tape is UL Listed, RoHS 2011/65/EU compliant, and delivers reliable performance in both industrial and commercial environments.

Technical Specifications

Material & Construction

• Adhesive Type: Thermosetting Rubber
• Backing (Carrier) Thickness:5 mil / 889 µm
• Total Tape Thickness (Without Liner):13 mm
• Brand: 3M

Electrical Properties

• Dielectric Strength: 5500 V
• Insulation Resistance: > 1 × 10⁶ megohms
• Electrolytic Corrosion Factor: 1

Thermal Performance

• Minimum Operating Temperature: 0 °C
• Maximum Operating Temperature: 130 °C
• Temperature Withstand Range: 32–266 °F (0–130 °C)

Mechanical Properties

• Elongation at Break: 50%
• Puncture-Resistant & Edge Tear-Resistant

Dimensions

• Overall Length Options:0 m, 82.296 m, 82.3 m
• Width Options:35 mm, 9.5 mm, 12.7 mm, 19 mm, 25.4 mm, 596.9 mm

Packaging

• Rolls Per Case: 36, 48, 72, 96, 144
• Shelf Life: 5 Years

Product Highlights

• Combines polyester web + polyester film for superior electrical insulation.
• Thermosetting rubber adhesive ensures strong bonding and long-lasting adherence.
• High dielectric strength (5500 V) for safe electrical applications.
• Excellent heat, oxidation, solvent, and oil resistance.
• Puncture-resistant and edge-tear resistant, ideal for rugged environments.
• Provides reliable insulation in motors, transformers, coils, and electrical assemblies.
• UL Listed and RoHS 2011/65/EU Compliant.
• Suitable for economical, general-purpose insulation.

Primary Uses

The 3M Composite Film Electrical Tape 44 is designed for a wide variety of industrial and electrical applications, including:

Electrical & Industrial Applications

• Insulating start wires, leads, terminal strips, and insulation paper.
• Anchoring and banding in motors and transformers.
• Ideal for stick-wound coils and end turns.
• Provides protective wrapping for electrical components exposed to heat and solvents.

General Purpose Insulation

• Suitable for general electrical insulation in commercial and industrial environments.
• Long-term performance in environments requiring durability and thermal stability.

The 3M Composite Film Electrical Tape 44 is a premium-grade insulation tape engineered for high-temperature and high-dielectric applications. With a durable composite backing, superior thermosetting adhesive, and excellent environmental resistance, it is the ideal choice for electrical engineers, motor manufacturers, transformer builders, and industrial maintenance professionals seeking reliable, UL-compliant insulation performance.