What is Stahl Stay Clean®?

Stahl Stay Clean® is a water-based coating technology designed to help protect leather surfaces against stains, soil and everyday wear while making them easier to clean.

Which new Stahl Stay Clean® solutions are available for matte leather?

CT-43-841 and CT-43-380 are next-generation Stahl Stay Clean® solutions developed specifically for matte leather applications.

Is Stahl Stay Clean® suitable for light-coloured leather?

Yes. The technology is designed to help light-coloured leather maintain its clean, refined appearance by increasing resistance to everyday staining and soiling.

How flexible are the new Stahl Stay Clean® coatings?

The technologies deliver excellent flex performance, including 100,000 cycles in the Bally flex test according to ISO 5402-1.

Are Stahl Stay Clean® solutions suitable for low-gloss leather?

Yes. CT-43-841 and CT-43-380 are designed for matte leather applications and offer controlled gloss development for an extremely dull, refined finish.

What are the sustainability benefits of the new Stahl Stay Clean® technologies?

The technologies support leather manufacturing in line with ZDHC MRSL version 3.1, are free from CMR substances according to EU criteria, and meet EU REACH SVHC criteria below a 0.1% concentration.

Stahl Stay Clean® technology for matte leather

HomePortfoliosStay CleanLeather Finishing

Meet the next generation of Stahl Stay Clean® technology for matte leather

Light-coloured leathers create a premium look in automotive interiors, furniture and apparel. As demand for matte leather grows, so does the need for coatings that resist everyday soiling while maintaining a refined appearance over time. To help protect leather surfaces from contact with jeans, coffee and dirt, we developed two next-generation Stahl Stay Clean® solutions: CT-43-841 and CT-43-380. Designed for matte leather applications, they support OEMs and interior creators in delivering a low-gloss finish with strong anti-soil performance, lower heat-yellowing and enhanced flexibility

Benefits

Refined matte appearance with controlled gloss development
Low heat-yellowing effect when cured use-related tests
Strong anti-soil performance against coffee, dye ingress and wet denim
Excellent flexes, including 100,000 cycles on the Bally test (ISO 5402-1)
Comfortable haptics with low-squeak properties

Stahl Stay Clean® product portfolio

Discover the Stahl Stay Clean® product portfolio for for stain-resistant leather surfaces

View product portfolio

Clean Top

EasyGuard®

Lepton® Protector

Antisoiling additives

Combine Stahl Stay Clean® with selected crosslinkers

These water-based coating technologies make leather surfaces more resistant to stains, soil and daily wear while remaining easier to clean. Built on the proven Stahl Stay Clean® platform, they can be combined with selected crosslinkers, such as Syncros® XR-55-400 and surface modifiers to fine-tune appearance, haptics and end-use performance.

Discover Syncros®

Performance with sustainability
built in

The technologies offer matte anti-soil options without harmful chemicals. They support leather manufacture in line with ZDHC MRSL version 3.1, are free from CMR substances as per EU criteria, and meet EU REACH SVHC criteria below 0.1% concentration. This helps finished leather combine sustainable credentials with the performance, touch and matte appearance expected in premium interiors.

Key technology benefits

Extreme resistance

Superior protection against jean dye ingress and everyday soil

Bally flex performance

Passes 100,000 score (ISO 5402-1) for high-flex zones

Dull gloss level

Extreme dull gloss level

Heat yellowing resistance

Excellent heat yellowing resistance

Coffee stain resistance

Excellent coffee stain resistance

Environmental

ZDHC MRSL compliant and free from CMR susbstances

Improved performance

Coffee stain

Dull gloss

Heat yellowing

Flexes

Stahl Stay Clean®

DISCOVER THE 5 SENSES
OF AUTOMOTIVE

Download the whitepaper to get exclusive access

Sensory influence
Shared mobility impact
Interiors as living spaces
Smart, sustainable materials

Frequently asked questions

Stahl Stay Clean® is a water-based coating technology designed to help protect leather surfaces against stains, soil and everyday wear while making them easier to clean.
CT-43-841 and CT-43-380 are next-generation Stahl Stay Clean® solutions developed specifically for matte leather applications.
Yes. The technology is designed to help light-coloured leather maintain its clean, refined appearance by increasing resistance to everyday staining and soiling.
The technologies deliver excellent flex performance, including 100,000 cycles in the Bally flex test according to ISO 5402-1.
Yes. CT-43-841 and CT-43-380 are designed for matte leather applications and offer controlled gloss development for an extremely dull, refined finish.
The technologies support leather manufacturing in line with ZDHC MRSL version 3.1, are free from CMR substances according to EU criteria, and meet EU REACH SVHC criteria below a 0.1% concentration.