2.7. Fastness testing
The dyed samples were tested according to ISO standard methods.
The specific tests were: ISO 105 X12(1987), color fastness
to rubbing; ISO 105-C02(1989), color fastness to washing; ISO
105-E04(1989), color fastness to perspiration; and ISO 105-
B02 (1988), color fastness to light (carbon arc) (Handbook
of Textite testing, 1988).