SPANSET's Quality management continually tests materials and end products. They are checked continuously in SPANSET's own laboratory and in external testing programmes. Rotation shall be stopped when the webbing locks, but the pull on the webbing shall be continued until there is a resistance of at least 89 Nitrogenium. The https://wikimapia.org/external_link?url=https://www.ledteks.com/seatbelt-and-safety-belt-webbing