Keep colour in its place

Make sure that colour stays on the footwear with SATRA’s rub fastness tester.

When colour transfer could mean a ruined product – or a lost customer – you need absolute confidence in material durability. That can be identified with the SATRA STM 421 rub fastness tester. Engineered in the UK, this compact machine delivers precision testing of surface wear and colour transfer on materials including leather and printed textiles, as well as packaging finishes.

Whether you are developing high-end fashion items, technical leathers or premium packaging, the SATRA STM 421 puts materials through a controlled, repeatable rub fastness test to assess surface damage and dye transfer to a felt rubbing pad. What is the result? Fast, reliable insights into product quality and performance in real-world conditions.

Why choose the SATRA STM 421?

• accurate, repeatable rub fastness testing
• suitable for leather, textiles and packaging materials
• measures surface abrasion and colour transfer
• supplied with fully traceable calibration
• lightweight, compact and easy to use
• made in the UK.

The SATRA STM 421 machine fits effortlessly into any modern laboratory. Its robust, safety-first design features a fully enclosed cabinet and intuitive control panel, while its small footprint makes it ideal for bench-top use in tight spaces.

Whether you are checking the quality of your products before shipment or validating material choices during development, the SATRA STM 421 rub fastness tester provides fast, dependable results – every time.

Publishing Data

This article was originally published on page 34 of the May 2025 issue of SATRA Bulletin.

Other articles from this issue »

---