Its live up to EU standard level 1 which means that it is approved for most uses.
Examples of end-use; all kind of applications in office buildings, showrooms, public halls, function rooms, cafés, restaurants, canteens, banks, bars
So this means you can use the chair a lot without it falling apart.
Link to the Danish Technological Institute who did the testing can be found here.
The Hallingdale upholstery measures 100.000 Martindale. Normally 15-30,000 Martindale means that it is good enough for private use and above 30,000 is for offices and restaurants. See link here