Hot light aging

This test is important for automotive leather in particular. It assesses the effect of light, heat and moisture on the flexing endurance, the rub-fastness and the color fastness of the leather finish. Finished leather strips are eTcposed to a defined dose of radiation in a test chamber at 20 % relative humidity. The color fastness is examined after the first cycle, the flexing endurance after the second cycle, the mb-fastness after the third cycle and the color fastness once more after the last cycle. Requirements differ from one car producer to the other. 

1 Stather, F., Gerbereichemie und Gerberei-technologie, Akademie Verlag, Berlin, 1967. 

2 Schubert, R., in Herfeld, H. (Ed.) Biblio-thek des Leders, Vol. 6 Lederzurichtung, Oberfldchenbehandlung des Leders, Um-schau Verlag, Frankfurt am Main, 1982. 

3 Heidemann, E., Ullmanns Enzyklopadie der technischen Chemie, Vol. A15 (Leather), Verlag Chemie, Weinheim. 

5 Science and Technology for Leather into the next Millennium, Proc. XXV lULTCS Congress, 1999, Tata McGraw-Hill, New Delhi, 1999. 

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