Question

fibre that insulates against noise​

Answer 1

Explanation:

Cotton fibres have very similar noise absorption properties to rock wool and fibreglass, used to make conventional absorbers. The most effective natural absorbers are, like cotton, the smallest and most compactable fibres, like flax and ramie.

Answer 2

Fiberglass is effective at absorbing sound, but it can be hazardous to the environment and to human health . It is undeniable that other synthetic materials are also used in dealing with noise pollution.