Polyester fiber composed of organic dibasic acid and glycol polycondensation of polyester by the spinning of synthetic fibres.

Polyester fiber is mainly made of polyethylene terephthalate, China's commodity name is polyester, referred to as PET fiber.

PET acoustic panels use 100% polyester fiber matrials as raw materials, it's a new type of sound absorbing material with variety of permeability and density,hot pressing and fusion by high technology, made in cocoon cotton shape.This decoration panels has features of sound absorption, fire retardant, innocuous, non irritating, no smell,the new indoor decoration materials is a combination of sound absorption,heat protection and decoration.