Experiment method | Unit | PAI | PEEK | PEI | PTFE | POM | MC ESD | PC | PVC | PMMA |
ESD520HR | ESD480 | ESD420 | ESD500HR | ESD225 | 501CDR6 | ESD | ESD | ESD |
Color | | | Yellow brown gray | Yellow brown gray | Black | White | Beige | Black | Transparent | Gray / white / blue | Transparent |
proportion | 1183 | g/cm3 | 1.41 | 1.31 | 1.27 | 2.2 | 1.33 | 1.23 | 1.2 | 1.4 | 1.2 |
Temperature (continuous) | | ℃ | 250 | 250 | 170 | 260 | 90 | 120 | 125 | 55 | 70 |
Temperature (short) | | ℃ | 270 | 310 | 200 | 285 | 140 | 170 | 135 | | 90 |
Melting point | | ℃ | | 340 | | 330 | 165 | 220 | | 120 | |
Glass transition temperature | | ℃ | 285 | | 215 | | | | 150 | | 100 |
Line thermal expansion coefficient | | m/(m.k) | 30×10-6 | 50×10-6 | 35×10-6 | 100×10-6 | 150×10-6 | 75×10-6 | 65×10-6 | 80×10-6 | 70×10-6 |
(23-100 ° C average) |
Flammability (UL94) | 4589 | | V-0 | V-0 | V-0 | V-0 | HB | HB | HB | V-0 | HB |
Water absorption (24 hours in water at 23 ° C) | 62 | % | 0.29 | 0.06 | 0.26 | 0.03 | 5 | | 0.18 | | |
- (23 ° C in water) | 62 | % | 4.5 | 0.45 | 1.35 | 2 | 10 | | 0.35 | 0.2 | 0.3 |
Bending tensile stress / tensile stress | 527 | MPa | 120/- | 100/- | 105/- | -/10 | -/38 | 85/- | 70/- | 90/- | 125 |
Cracked tensile strain | 527 | % | 10 | 20 | 2 | >50 | 15 | 25 | >50 | | |
Tensile modulus of elasticity | 527 | MPa | 4500 | 4400 | 6400 | 1800 | 1500 | 3500 | 2400 | 3000 | 3300 |
-1% / 2% of the normal strain of the compressive stress | 604 | MPa | 27/35 | 29/57 | 25/49 | | 11月20日 | 26/51 | 18/35 | 1.6/- | |
Pendulum notch impact test | 179/1eU | kj/m2 | 10 | 3.5 | 4 | 5 | 8 | 3.5 | 9 | | |
Coefficient of friction | | | | | | 0.1 | 0.32 | | 0.55 | 0.6 | |
Rockwell hardness | Jan-39 | - | E79 | M105 | M115 | R50 | R106 | M85 | M75 | 82 | 90 |
Volume resistance | -60093 | Ω×cm | 1010-1012 | 106-109 | 106-109 | 1010-1012 | 109-1011 | 106-108 | 1015 | ≥1015 | ≥1015 |
Surface resistance | -60093 | Ω | 1010-1012 | 106-109 | 106-109 | 1010-1012 | 109-1011 | 106-108 | 106-108 | 106-108 | 106-108 |
Project | Experiment method | Unit | PAI | PEEK | PEI | PTFE | POM | MC ESD | PC | PVC | PMMA |
ESD520 | ESD480 | ESD420 | ESD500HR | ESD225 | 501CDR6 | ESD | ESD | ESD |