More than one type of material in a fabric (name)

Hi guys,

I'm doing a prac report about Convection and stuff like that. This time is about insulation.

I was just wondering a metal with two or more elements in it (e.g. steel = Iron+Carbon) it's called a alloy.

But what is a fabric called with more than two elements in it (e.g. polyester + Cotton) called?

p.s. if you do the 40 hour famine your cool.

Materials that are combinations can be called a hybrid, a blend or a composite material.
For fabric it is normally called a "blend"

The difference is one of physical composition.
If you had a wire with some strands of steel and some strands of nickel, it isn't an alloy.
the two materials are not mixed at the domain level.