Polyester Fiber-Comparative Study of PET and PBT,Characteristics,Properties,Identification and applications
Polyester FiberComparative Study of PET and PBT,Characteristics,Properties,Identification and Applications Comparative Study of PET and PBT Properties PET PBT Tensile strength (N/mm²) 73 38 Elongation at break (%) 300 >250 Bending strength (N/mm²) 85 43 Density (g/cm³) 1.31 1.29 Moisture absorption (23°C, 50% relative humidity) (%) 0.35 0.20 Glass transition temperature (Tg) (°C) 70 40 Melting […]