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Guides13 October 20263 min read

What is a TPU badge? Materials, finish and durability of 3D badges

What a TPU badge is, how it is made with HF welding and what drives its look and durability, plus the questions to settle before you order.

When “TPU badge” shows up on a tech pack or a supplier quote, sourcing teams tend to ask the same things: is it a print or a patch, and how is it different from embroidery or a silicone label? This guide explains what a TPU badge is, how it is made and what to pin down before you place an order, written from the buyer’s side of the table.

What is a TPU badge?

A TPU badge is a branding element made from thermoplastic polyurethane film, with a raised surface and crisp, clean edges. A mould shapes the logo into the film, so unlike a flat print it has depth you can feel. You will also see it called a 3D badge, embossed badge or HF patch.

Because the material is elastic, the badge moves with the fabric. On jerseys, tracksuits and outerwear it does not sit on the garment like a rigid plate, and with the right film it keeps its shape after washing.

How it is made

The most common production method is high-frequency (HF) welding. In outline:

  1. Artwork and mould: A metal mould is made from the logo, with relief heights and cut lines defined.
  2. Layer build-up: TPU film goes into the press, with an adhesive layer behind it and a carrier film underneath where needed.
  3. HF welding: High-frequency energy heats the material from within, while the mould forms the shape and cuts the edge in the same stroke.
  4. Application: The badge is either welded straight onto the garment panel or applied later by heat press using its adhesive backing.

For the technical background, see our guide what is HF printing.

Look and finish options

What drives durability

Badge life is not down to the film alone. Fabric elastane content and surface finish, how well the adhesive suits the fabric, application temperature and time, and the garment’s care conditions all play a part. For light and metallic shades, ask about yellowing resistance separately. The Premium TPU film page summarises colour and finish options.

Questions to settle before ordering

Answering these up front noticeably cuts mould revisions and sample rounds.

Related solutions

Source: LTS Frekans — Read the original article ↗
This article was summarised and commented on by the LTS Frekans editorial team, drawing on the source article.
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