16 High Performance Thermoplastic Resins and Their Composites TABLE 5.Coefficient of Thermal Expansion(C.T.E.)of High-Performance Neat Thermoplastic Resins Resin C.T.E.(x10-5/℃) Temperature Range (C) Reference Victrex PEEK 47 21 108 >150 21 Victrex PEK 57,69 20·150,150·200 22 79,84 200·250.250.300 22 Ryton PPS 59.7 -50 73 04,0 23 73 108.9 150 73 Torlon 35 23·149 33 N-Polymer 90 23-323 67 PEI Ultem 52·56 20-150 40 Eymyd U-25 44 N/A 39 Laro TPI (MTC) 24-33 20-200 44 New TPI 50·55 N/A 70 Durimid 35 20·240 45.46 Udei 51 N/A 14 RadelA 49 N/A 14 Radel R 55 N/A 14 Victrex PES 55 N/A 14 Vectra ·5 parallel to flow 53 .50·200 40.75 transverse to flow 53 -50·200 PBI 23 24·149 17 32 200·300 1716 High Performance Thermoplastic Resins and Their Composites TABLE 5. Coefficient of Thermal Expansion (C.T.E.) of High-Performance Neat Thermoplastic Resins Radel A 49 N/A 14 Radel R 55 N/A 14 Victrex PES 55 N/A 14 Vectra -5 parallel lo flow 53 -50 - 200 40 - 75 transverse to flow 53 -50 - 200 PBI 23 24 - 149 17 32 200 - 300 17