Faodaidh atharrachadh corporra PBT feartan meacanaigeach an stuth a leasachadh agus àrdachadh a thoirt air feartan lasair-lasair.

Domestic modifications of PBT products are mainly focused on glass fibre reinforcement and flame retardant, especially PBT used as a high viscosity resin for optical fibre cable sheath covering material is more mature, but in terms of arc resistance, low warpage, high fluidity, high impact feumar neart, seasmhachd àrd-mheudach, modulus lùbadh àrd, msaa a neartachadh.