Thermal conductive materials – Thermal pads

tesa® 58399

Q: What is the difference between tesa thermal pads and double-sided foam tapes?

While both may use acrylic adhesives, thermal pads like tesa 58399 are specifically engineered to transfer heat efficiently, whereas standard foam tapes are optimized for cushioning and bonding.

Q: Can Eko-Tech deliver customized formats of tesa 58399?

Yes – as a tesa Platinum Converter , we provide rewinding, slitting, die-cutting, kiss-cutting, and cross-wound spools

Q: Where is tesa 58399 typically used?

It is commonly applied in battery modules, power electronics, FPC, PCB, and LED assemblies for heat management.

Q: What is tesa 58399?

tesa 58399 is a thermal conductive acrylic tape with 800 µm thickness, designed to transfer heat from heat sources to radiators or heat sinks.

Thermal conductive materials are crucial in modern electronics, batteries, and power modules, ensuring efficient heat transfer and extending component lifetime. Among these solutions, tesa 58399 stands out as a reliable thermal conductive tape with an 800 µm thickness and excellent thermal management performance.

As Eko-Tech Sp. z o.o. Sp.k., a trusted tesa Platinum Converter, we bring local converting expertise to the Polish and Eastern European market. With our advanced technical capabilities, we tailor tesa thermal solutions to meet specific application requirements – delivering both flexibility and speed.

Applications of tesa 58399

tesa 58399 is designed for thermal management where heat needs to be efficiently transferred from sensitive electronics to cooling elements. Typical applications include:

Bonding between heat sources and heat sinks or radiators
Mounting battery cooling plates in electric vehicle modules
Securing power electronic modules
Attaching FPC (Flexible Printed Circuits) and PCB (Printed Circuit Boards)
Thermal management in LED and display technologies

Thanks to its acrylic adhesive with thermal conductivity of 0.6 W/mK, tesa 58399 ensures stable performance even in demanding environments (-40 °C to +150 °C short-term).

Optimize Heat Management with tesa 58399 – Converted by Eko-Tech

Contact our experts today and get a custom-converted tesa 58399 solution for your application!

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Converter Benefits – Why Choose Eko-Tech

Partnering with an experienced Converter and tesa Platinum Converter like Eko-Tech provides multiple advantages:

Expertise & Reliability: Decades of experience with tesa solutions for industrial and electronic applications.
Tailored Solutions: Every product is adapted to customer-specific needs, ensuring best fit and performance.
Local Service, European Reach: Fast delivery and support across Poland and Eastern Europe.
Trusted Partnership: Our Platinum status ensures direct collaboration with tesa, offering the highest level of technical and product support.

Converting Capabilities for tesa 58399

At Eko-Tech, converting means transforming standard jumbo rolls into ready-to-use solutions. For tesa 58399, we offer:

Rewinding – from jumbo rolls to custom individual-length reels
Slitting – precise widths tailored to your production needs
Die-cutting & Kiss-cutting – complex shapes for electronics, batteries, and heat management components
Cross-wound spools – optimized for automated tape application in high-volume processes

This flexibility ensures maximum efficiency, less waste, and perfect adaptation of tesa 58399 to your production workflow.

Made in Poland

While the raw material is manufactured by tesa, the converting process is carried out locally at Eko-Tech in Poland. Every converted product is customized to your requirements – meaning the final solution is proudly “Made in Poland”, with added value through precision converting and technical support

Product Construction:

Substrate material none
Total thickness 800 µm
Release liner thickness 127 µm
Colour white
Release liner colour white
Release liner type polyethylene-coated paper
Adhesive type acrylic
Release liner removal weak
Hardness – support 00 75 STK
Flame retardancy V2

Temperature resistance (-40°C) very good
Density 1.5 g/cm³
Breakdown voltage 11 KV
Temperature resistance, short-term 150 °C
Thermal conductivity in direction of 0.6 W/mK
Temperature resistance (125°C) very good
Adhesion to steel (initial) 4.5 N/cm
Adhesion to steel (20 min @ RT, 90°) 4.5 N/cm