The present study revealed that generally
when the dyeing process was done at high
temperature (100 °C) the appearance of the
dyed fabrics was very bad. Hence it appears
that using high temperature is not suitable
or dyeing these kinds of fabrics with the
natural dyes (henna and onion skin) under
the dyeing process system in this study.
Accordingly the properties of strength,
elongation %, shrinkage %, and color
strength and color fastness were not
measured, in such a case. So it could be
concluded that, the use of high temperature
when the textile materials (cotton, PET and
cotton / PET blend) dyeing with henna and
onion skin dye , these conditions could be
not suitable for the dye molecules associated
with textile materials, which led to the
emergence of these characteristics unwanted
under this dyeing process technique.