What is SLF

SLF stands for (in Swedish) "Skandinaviska Lackteknikers Förbund" or in English "Federation of Scandinavian Paint and Varnish Technologists", in German "Verreinigung der Skandinavischen Farben- und Lacktekniker" and in French "Fédération dÁssociation de Techniciens des Industries des Peintures et Vernis de la Skandinavie".