Instrument to check the colour fastness to perspiration, swimming pool and sea water and Colour yellowing to phenol.
The perspirometer kit is composed of 21 plexiglas plates 10×4 cm and a metallic holding frame.
The samples are treated in a special solution and placed between the plates under load determined by the weight applied.
Loading weights for ISO and AATCC can be included.
The weighted assembly is placed in an incubator or oven at a temp. and for a period determined by the standard employed.
John Godrich recommends Salvislab Thermocenter TC40 or Incucenter for this purpose.
Colour change results are assessed against a grey scale.
Grey Scale type AO2 and AO3 are available as optional extras.
UNI EN ISO 105 E01/E04 AATCC 15/106/107