Question

write two properties of rayon and polyster?

Answer 1

rayon is a made by chemical treatment of wood pulp .
it is artificial silk.
polyster is synthetic fiber and retention to water is less

Answer 2

rayon

1-it is prepared from wood pulp and it is sometimes called regenerated fibre

2- it is artificial silk but it is cheaper than silk


polyester

1-it has less water-retention ability so it used to make jackets

2-they are primarily made by crude oil or petroleum