PEEK PEEK plate Quzhou board ≡ ≡ ≡ Taizhou, Zhoushan board PEEK PEEK PEEK plate Lishui board ≡ ≡ ≡ board Wenzhou, Yiwu PEEK PEEK PEEK-30GF board technology value 
 I. Basic numerical standard unit PEEK-30GF 
 1 density (ρ) ISO 1183 g/cm3 1.49 
 (2) water absorption DIN 53495% 0.11 
 3 chemical resistance DIN 53476 - 
 4 continuous use temperature 
 (No stronger case load) 
 Temperature limit ° C 260 
 Minimum temperature ° C -40 
 II. Mechanical properties 
 1 Tensile strength (σs) ISO 527 MPa 156 
 (2) Elongation at yield (εs) ISO 527% 3 
 3 Tensile strength (σR) ISO 527 MPa 157 
 4 Elongation (εR) ISO 527% 2.7 
 5 impact toughness (an) ISO 179 kJ/m2 40.3 
 6 notched impact toughness (ak) ISO 179 kJ/m2 8.9 
 7 ball pressure hardness Rockwell method (Hk) / Rockwell ISO 2039-1 MPa M 103 
 8 Shore D hardness (σB 3.5%) ISO 178 MPa 250 
 9. Flexural strength (Et) ISO 527 MPa 10300 
 III. Thermal Properties 
 1. Vicat softening temperature VST/B/50 ISO 306 ° C 300 
 VST/A/50 ° C - 
 (2) heat distortion temperature HDT / B ISO 75 ° C 340 
 HDT / A ° C 315 
 3 line of the expansion coefficient (α) DIN 53752 K-1x 10-4 0.22 
 4 Thermal conductivity 20 (λ) DIN 52612 W / (m * K) 0.43 
 IV. Electrical properties 
 1 volume resistance (ρD) VDE 0303 Ω x cm ≥ 1013 
 (2) surface resistance (RO) VDE 0303 Ω ≥ 1013 
 3 dielectric constant 1 MHz (εr) DIN 53483 3.3 
 4 Dielectric loss factor of 1 MHz (tanδ) DIN 53483 0.004 
 5 Dielectric strength VDE 0303 kV / mm 175 
 6 Leakage current strength DIN 53480 - 
 V. Other values 
 1 + adhesion 
 (2) non-toxic nature of EEC 90/128 - 
 According to the standard FDA - 
 3 DIN 53375 0.42 coefficient of friction 
 4 Flammability UL 94 V-0 
 5 UV resistance o 
 VI. Chemical properties 
 1 acid + 
 2 + resistance to alkaline 
 3 carbonated water resistance + resistance 
 4 chlorine carbonated water of o 
 5 + resistance of aromatic compounds 
 6 resistance to ketones of + 
 7 water + heat