PBT is a solid thermoplastic produced from 1,4 butanediol and purified terephthalic acid. Produced by Sipchem Chemicals Company (SCC) from 2014, with an annual production capacity of 63,000 tons per annum (tpa).
PBT is a mechanically strong engineering polymer which is heat resistant up to 150 deg C. PBT is used as an insulator in the electrical and electronics industries, in the automotive industry (electrical system, mirror housings, handles, fuel system) and in a range of household goods (e.g. shower heads, irons). PBT can also be processed into fibres and is incorporated into clothing such as sportswear.