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Double-sided foam-mounting tapes aimed at high-performance consumer electronics and non-permanent stress-fastening applications are available from Tesa UK.

Developed to offer optimum mechanical and environmental performance, the products extend the thickness range within the company’s thin foam-tape assortment.

Two tapes – Tesa 62946 and 62948 – have been designed for technically demanding use, such as fastening touch panels, lenses and decorative trims for electronic and electrical goods.

Both tapes feature PET film reinforcement to improve stiffness and handling during the production of die-cut forms frequently used during manufacturing processes in these industries.

Also common is a tackified acrylic adhesive system, particularly suited to outdoor and high-temperature environments, which optimises adhesive performance on high-energy surfaces such as metal and glass.

These tapes also share a closed-cell PE cell structure featuring a thick membrane that offers high mechanical strength.

The highly conformable foam backing compensates for design tolerances and uneven surfaces, while the elasticity of the foam accommodates the different expansion of parts that are bonded.

Dampening properties and shock absorption are excellent too.

While both tapes offer superior ultimate adhesive strength, Tesa 62948, which has a thickness of 400um, achieves a peel adhesion of 13.1N/cm on steel and tensile strength of 40N/15mm.

At 300um thick, Tesa 62946 offers peel adhesion of 13.2N/cm on steel and tensile strength of 35N/15mm.

Short- and long-term temperature resistance is 80 and 70C respectively for both tapes, which are coloured black.

Targeting lighter-weight sealing applications, Tesa 62939 is a double-sided 3000um thick tape that utilises low-strength closed-cell PE foam with large cells and a thinner membrane that make it conformable and suitable for gap filling.

It is equally suitable for protecting against dust, moisture and heat transfer.

A versatile tackified adhesive allows the tape to be used outdoors and on a range of substrates where it exhibits immediate adhesion on uneven surfaces.

Adhesion peaks at 5.0N/mm on steel and tensile strength is 13.3N/cm.

Short- and long-term temperature resistance is 80C.

This white tape offers good resistance to humidity and is UV, water and ageing resistant.

Typical applications include the mounting of wood, metal or vinyl window components where a 3mm gap is required, or for fixing wood or vinyl roof, flooring or skirting profiles where a thick tape is needed to compensate for variations in wall-surface texture and alignment.

It can also be used to fasten solar-panel junction boxes and as a seal between aluminium, vinyl, wood and sandwich materials found in partition walls in buildings.

Long, slightly curved substrates with a gap variation of up to 50 per cent of the foam thickness can also be mounted successfully.

tesa UK

tesa: a global adhesive tape manufacturer

tesa is one of the leading global brands of adhesive tape with more than 100 years’ experience selling 800 types of tape in more than 100 countries.

tesa: a global adhesive tape manufacturer

tesa is one of the leading global brands of adhesive tape with more than 100 years’ experience selling 800 types of tape in more than 100 countries.

We believe in investing for our future with five per cent of our global turnover going on R&D, which has led to 50 per cent of our sales being from products developed in the last five years. In total we have 350 people employed in tesa’s laboratories around the world filing an average of 70 patents a year.

We strongly believe in offering our customers as much support as possible, and this philosophy, branded tesacohesion®, is now a major contributing factor to winning new business.

tesacohesion®: what we offer the customer

It is our aim to be a sustainable resource to our customers’ businesses and to keep our customers because we deserve to.

We offer expert friendly advice, technical knowledge and expertise, a wide product offering, creative thinking and problem solving and a one-stop solution.

tesacohesion®is based on the 4Ps principle:

  • People: every day our technical sales team operates in the marketplace. When we need more technical support or research backup to solve a problem, we call in the group resources of tesa SE in Hamburg
  • Products: we supply more than 800 different tapes across 100 countries, each one developed for applications in key industry sectors and manufactured with the latest production technology to current globally recognised quality standards
  • Processes: we aim to understand our customers’ processes in depth so we can advise on how best to integrate our tape into your production and improve your processes. We can also help with preparation of standard operating procedures as well as value chain management
  • Performance: we will help you get the maximum performance from your choice: this could mean we need to install special tape-dispensing equipment. We’re also more than ready to provide on-site support and training for your staff and we can help you to develop standard operating procedures that will control and maintain quality

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