TESA® ALUMINIUM TAPES

TESA® ALUMINIUM TAPES

TESA® ALUMINIUM TAPES

tesa® 4386

Aluminium Tapes and Eko-Tech Expertise

Aluminium adhesive tapes such as tesa® 4386 combine high mechanical stability with excellent thermal and electrical conductivity. They are used for shielding, sealing, and protection in demanding industrial applications.

At Eko-Tech Sp. z o.o. Sp.k., we are proud to be a tesa® Platinum Converter, offering complete local converting capabilities for the Polish and Eastern European market. With full technical support from tesa®, we adapt each aluminium tape to individual customer needs – from simple rewinding to complex die-cut parts ready for automated application.

Applications: Where to Use tesa® 4386

tesa® 4386 is designed for applications requiring electrical conductivity and durable adhesion to metal surfaces, including:

  • Electrostatic discharge (ESD) management

  • EMI / RFI shielding of electronic components and enclosures

  • Cable wrapping and grounding connections

  • Electrical bonding and contact between metal surfaces

  • Repair of conductive paths and shielded assemblies

  • Insulating and reflective layers in aerospace, automotive, and electronics industries

Looking for a high-performance conductive aluminium tape?

Contact Eko-Tech – your local tesa® Platinum Converter in Poland – for custom tesa® 4386 solutions tailored to your process. Get a Quote 

tesa® 4386 Aluminium Tape

tesa® 4386 is a pressure-sensitive aluminium foil tape designed for reliable electrical conductivity and EMI/RFI shielding. It features a 40 µm reflective aluminium backing combined with an electrically conductive acrylic adhesive and a white siliconized paper liner (65 µm). Key Product Features

  • Electrically conductive backing

  • Electrically conductive adhesive

  • Excellent electrostatic and EMI/RFI shielding performance

  • Hand-tearable, reflective surface appearance

  • Suitable for die cutting and automated tape application

  • High temperature resistance: up to 120 °C (long term), 150 °C (short term)

  • Operation temperature: up to 180 °C

Converter Benefits: Why Cooperate with Eko-Tech as Your tesa® Platinum Converter

Partnering with Eko-Tech means you gain more than a supplier – you gain a technical partner with proven converting expertise and deep tesa® product knowledge. Advantages of Working with Eko-Tech

  • Direct access to tesa® technical support and engineering know-how

  • Certified conversion processes ensuring product integrity and performance

  • Local production and fast delivery within Poland and Eastern Europe

  • Customized solutions for industrial, automotive, electrical, and aerospace applications

  • Consistent quality, traceability, and process control

  • Expert advice on tape selection, adhesive performance, and application design

Converting Capabilities – tesa® 4386 Tailored for Your Process

As a specialized tesa® Platinum Converter, Eko-Tech has the equipment and experience to transform tesa® 4386 into custom formats optimized for your production needs. Our capabilities include:

  • Rewinding from jumbo rolls to individual length reels

  • Slitting to any required tape width

  • Die & kiss cutting for precise, ready-to-use parts

  • Cross-wound spooling for automated tape application systems

  • Custom design and prototyping support for complex applications

We design, modify, and define solutions that integrate seamlessly into your production processes — from electronic shielding modules to automotive sub-assemblies.

Eko-Tech Converting Company - made-in-poland

Made in Poland – Value Added Conversion

While the base tesa® 4386 tape is manufactured by tesa SE, our conversion process adds significant value and local adaptation. Through custom rewinding, slitting, and die-cutting performed in Poland, Eko-Tech ensures that each converted product meets your specific requirements.

That’s why converted tesa® 4386 tape products can proudly carry the label “Made in Poland” by Eko-Tech – a symbol of precision, quality, and local value creation.

Technical data

Adhesive Type conductive acrylic
Backing material aluminium foil
Color silver
Color of liner white
Liner Type paper
Thickness of liner 65 µm
Total thickness 85 µm
Elongation at break 6 %
Tensile strength 30 N/cm
Contact resistance z-direction 5 mOhm
Backing appearance (visual) reflective
Temperature resistance short term 150 °C

Suitable for die cutting yes
Hand tearability yes
Temperature resistance long term 120 °C
Liner release force 2 N/cm
Surface resistance x-y-direction (adhesive) 0.25 Ohm / square
Temperature resistance (30 min) 0 °C
Surface resistance x-y-direction (backing) 0.2 Ohm / square
Operation temperature up to 180 °C
Adhesion to Values
Adhesion to Backing 3.5 N/cm
Adhesion to Steel 3 N/cm

Need custom tesa® 4386 solutions for your project?

Eko-Tech delivers local conversion expertise, reliable tesa® quality, and tailored supply for your production line. Contact our experts today to discuss your requirements! [Request a Consultation