GC-L106   
EMPA Standard Test Cloth (106)

   GC-L104   
EMPA Standard Test Cloth (104)

   GC-L129   
EMPA Standard Denim Test Cloth 129 (original 170, 128 / 3)

   GC-L128-1   
EMPA Standard Denim Test Cotton (128 / 1)

   GC-L221   
EMPA Cotton fabric, cretonne, bleached, without optical brightener (221)

   GC-L101   
EMPA Cotton soiled with carbon black/olive oil (101)

   GC-L277   
EMPA Standard Test Cloth (277)

   GC-L224   
EMPA Standard Test Cloth (224)

   GC-L128-2   
EMPA Standard Denim Test Cotton (128 / 2)