3M Electrical Tapes

Professional-Grade Insulation with 3M™ Polyester Film Electrical Tape 74

3M™ 74 is a high-performance polyester film electrical tape designed for demanding Class H (up to +180°C) insulation applications. With excellent dielectric strength, mechanical durability, and heat resistance, it ensures reliable insulation in high-temperature environments.

At Eko-Tech, we convert and customize this product in Poland using original 3M™ material. We offer slitting, rewinding, cross-wound spooling, die-cutting, kiss-cutting (including fingerlift designs), and tailored packaging for precise fit and performance in your application.

Applications of 3M™ 74 Tape

Coil and transformer insulation
End-turn and lead insulation
Layer insulation in Class H electric motors
Wire insulation in HVAC, household, and industrial equipment
Lamination with other dielectric materials
Industrial electronics and power systems insulation

Precise Electrical Insulation with 3M™ 74

Customized by Eko-Tech!

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Why Choose 3M™ 74? – Key Benefits

Class H thermal rating (up to +180°C continuous)
Outstanding dielectric and mechanical strength
Durable acrylic adhesive for long-lasting performance
Moisture, chemical, and aging resistance
Excellent dimensional stability and easy processing
Meets UL and RoHS industry standards

Converted in Poland – Quality Guaranteed by Eko-Tech

The 3M™ Polyester Film Electrical Tape 74 is processed and converted in Poland by Eko-Tech Sp. z o.o., using original 3M™ raw material. This guarantees local control, high quality, and flexible delivery tailored to your specific needs.

Why Partner with Eko-Tech – Your Certified 3M™ Select Converter

Collaborating with Eko-Tech means:

In-house converting capabilities: slitting, rewinding, kiss-cutting, die-cutting, spooling
Technical expertise and custom design support
Short lead times and low minimum order quantities
Complex multilayer and fingerlift die-cut solutions
Certified 3M™ Select Converter status – your trusted partner

Custom Converting Services – Tailored to Your Application

We offer full-service converting for 3M™ 74, including:

Custom rewinding to specified lengths
Precision slitting to any width
Cross-wound spool formats
Die-cut and kiss-cut parts (with fingerlift or multilayer options)
Custom packaging and labeling

Eko-Tech delivers solutions optimized for assembly lines, automated processes, and niche industrial requirements.

Technical data:

Adhesive Type Thermosetting Rubber
Backing (Carrier) Material Polyester
Brands 3M
Dielectric Strength 3500 V
Electrolytic Corrosion Factor 1.0
Elongation at Break 100.0 %
Insulation Resistance 1 x 10^6 megohms
Maximum Operating Temperature 130 ℃
Maximum Operating Temperature (Fahrenheit)266 ℉
Minimum Operating Temperature 0 ℃

Minimum Operating Temperature (Fahrenheit) 32 ℉
Product Color Yellow
Rolls per Case 36 , 72 , 96 , 144
Specifications Met RoHS 2011/65/EU, UL Recognized
Total Tape Thickness without Liner (Imperial) 0.8 mil
Total Tape Thickness without Liner (Metric) 0.02 mm
Overall Length (Imperial) 72 yd
Overall Length (Metric) 65.8 m
Overall Width (Imperial) 0.25 in, 0.38 in, 0.5 in, 1 in
Overall Width (Metric) 6.35 mm, 9.5 mm, 12.7 mm, 25.4 mm

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Let’s Talk – Get a Custom 3M™ 74 Solution for Your Application!

Reach out to Eko-Tech for technical advice, samples, or pricing. As a reliable 3M™ partner, we’ll help you create a tailored solution for even the most demanding electrical insulation projects.

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