Thermal conductive materials – Thermal pads

tesa® 58326

Q: What makes tesa 58326 unique?

It combines thermal conductivity with excellent electrical insulation and flame retardancy , ensuring safety and reliability.

tesa® 58326 is a 1200 μm thermally conductive pad.

Thermal conductive materials play a key role in modern electronics, e-mobility, and industrial applications by ensuring effective heat transfer and long-term performance. tesa 58326 is a high-performance thermally conductive acrylic pad designed to transfer heat between components while providing electrical insulation and flame retardancy.

As Eko-Tech Sp. z o.o. Sp.k., a tesa Platinum Converter in Poland, we specialize in converting tesa thermal solutions for the Polish and Eastern European markets. With our advanced converting capabilities, we transform standard rolls of tesa 58326 into tailor-made formats that perfectly match your technical requirements.

Applications of tesa 58326

tesa 58326 is typically used where reliable thermal conductivity is essential:

EV battery systems – between module and cooling system
Power electronics – between chips for heat dissipation
Printed circuit boards (PCB) – between PCB and heat sink
LED modules and lighting units – for improved lifetime and reliability
High-performance computing systems – ensuring stable operation under thermal stress

Looking for a reliable solution for thermal management?

Contact Eko-Tech today and get your customized tesa 58326 thermal pads – converted locally to your exact needs.

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Converter Benefits – Why Eko-Tech?

Working with an experienced converter makes the difference between a generic product and a precision-engineered solution.

tesa Platinum Converter status – official recognition of our expertise and reliability
Local Polish production – fast lead times and flexible order quantities
Proven partner – years of experience in tape converting for electronics, automotive, and industrial markets
Customer-focused engineering – we adapt the tesa 58326 to your exact application needs

Converting Capabilities for tesa 58326

At Eko-Tech, converting is more than cutting – it is designing solutions:

Rewinding from jumbo rolls to individual length reels
Slitting to any required width
Die & Kiss cutting for complex shapes and application-ready parts
Cross-wound spools for automated tape application in industrial processes

Our converting process ensures that the benefits of tesa 58326 – thermal conductivity, electrical insulation, and flame retardancy – are fully optimized for your application.

Made in Poland

Although the raw material is manufactured by tesa, the final tailored solution is created locally in Poland. Every converted tape, reel, or die-cut part is adapted to your specifications – giving you the confidence of a “Made in Poland” product that is both cost-effective and application-ready.

Technical data:

Adhesive Type acrylic
Backing material none
Color white
Color of liner transparent
Liner Type PET film
Thickness of liner 75 µm
Total thickness 1,200 µm
Release of liner easy
Density 1.9 g/cm³
Temperature resistance (125°C) very good

Temperature resistance (125°C) very good
Thermal conductivity z-direction 2 W/mK
Breakdown voltage 15 KV
Flame retardancy V0
Hardness – Shore 00 87 STK
Temperature resistance (-40°C) very good
Temperature resistance short term 150 °C
Adhesion to Aluminium (20min @ RT, 90°) 0.65 N/cm
Adhesion to Steel (initial) 0.55 N/cm
Adhesion to Steel (20min @ RT, 90°) 0.55 N/cm

Additional Info
The values in this section should be considered as average figures or typical only and should not be used for specification purposes.