Heat Deflection Temperature under 1.8 MPa Load1

Polymer / HDT (at 1.82 MPa / 264 psi) Neat 30% GF
Acrylonitrile-butadiene-styrene (ABS) 94 99
High Density Polyethylene (HDPE) 46
Polyacetal (POM) 106 159
Polyamideimide (PAI) 278 281
Polybenzimidazole (PBI) 425
Polybutylene terephthalate (PBT) 56 209
Polycarbonate (PC) 124 142
Polycaprolactam (PA6, Nylon 6) 64 207
Polyetheretherketone (PEEK) 159 315
Polyetherimides (PEI) 199 209
Polyetherketone (PEK) 169 319
Polyether sulfone (PES, PSU) 206 211
Polyethylene terephthalate (PET) 71 219
Polyhexamethylene adipamide (PA66, Nylon 6,6) 74 253
Polyimide (PI) 319  
Polymethyl methacrylate (PMMA) 83
Polyphenylene ether (PPE, PPO) 114 139
Polyphenylene sulfide (PPS) 120 268
Polyphthalamides (PPA) 127 243
Polyphenylsulfone (PPSU) 206 215
Polypropylene (PP) 62 142
Polystyrene (PS) 79  
(1) The heat deflection temperatures are the average of one or more experimental values.

HDT - 1.82 MPa

Numerical List