The higher the temperature of water, the faster
chemical reactions happen, and the more easily
water dissolves solid materials (like dyes). This
means that warmer water will cause running faster.
Some pigments change color with temperature,
but this is something specific to a pigment rather
than temperature itself.
Warmer temperatures make anything expand, but I
don't believe that the effect this has on fabric
is as large as it is on certain other things (like
Click Here to return to the search form.