1. Fluoropolymers Teflon ® / Tefzel ® are DuPont registered trademarks FH 8 Oct 02 / page 1 TYPICAL PROPERTIES MOLECULAR WEIGHT COMONOMER CONTENT MELTING POINT (ASTM D-4591) MELT VISCOSITY MELT FLOW RATE* (ASTM D-1238) UNITS % WEIGHT ºC Pa. s g/10 min PTFE 10 6 - 10 7 < 1 327 - 342 10 10 - 10 11 NO FLOW PFA 200 - 450 x 10 3 2.8 - 4.0 305 3 - 35 x 10 4 1.5 - 18 FEP 250 - 600 x 10 3 10 - 12 260 3 - 55 x 10 4 1 - 18 ETFE 250 - 400 x 10 3 20 265 0.5 - 13 x 10 4 2.5 - 64 *Measured at 372 ºC, but ETFE at 297 ºC, 5 kg weight and 2.095 mm die

2. Fluoropolymers Teflon ® / Tefzel ® are DuPont registered trademarks FH 8 Oct 02 / page 2 Electrical properties RELATIVE PERMITTIVITY (ASTM D-150) DISSIPATION FACTOR (ASTM D-150) ARC RESISTANCE (ASTM D-495*) VOLUME RESISTIVITY (ASTM D-257) SURFACE RESISTIVITY (ASTM D-257) UNITS 1 kHz- 1 MHz @ 1 MHz s . m  PTFE 2.070 0.00010 > 300 > 10 16 PFA 2.060 0.00010 > 180 > 10 16 > 10 17 FEP 2.040 0.00058 > 300 > 10 16 ETFE 2.60 0.005 > 72 > 10 14 * Stain Less Steel electrodes

3. Fluoropolymers Teflon ® / Tefzel ® are DuPont registered trademarks FH 8 Oct 02 / page 3 PEAK MELTING TEMP. (ASTM D 4591) SERVICE TEMP. (20 000 h) FLAME CLASS (UL94) LIMITING OXYGEN INDEX (ISO 4589) HEAT OF COMBUSTION (ISO 1716) UNITS ºC % MJ/kg PTFE 327 260 94V-0 > 95 4.9 - 5.0 PFA 305 260 94V-0 > 95 4.7 - 4.9 FEP 260 205 94V-0 > 95 4.8 - 5.1 ETFE 265 155 94V-0 30 - 32 12.4 - 12.6 Thermal properties

4. Fluoropolymers Teflon ® / Tefzel ® are DuPont registered trademarks FH 8 Oct 02 / page 4 DENSITY (ISO 1183) TENSILE STRENGTH (ISO 12086) ULTIMATE ELONGATION (ISO 12086) FLEXURAL MODULUS (ISO 178) FLEX LIFE (D 2176) (M.I.T. 0.2 mm, 270º flex) IMPACT RESISTANCE 23 ºC (ASTM D-256) - 54 ºC HARDNESS (ISO 868) COEFFICIENT OF FRICTION (dynamic, ASTM D 1894) UNITS g/cm 3 MPa % MPa Cycles to failure J/m Shore D PTFE 2.16 26 - 36 325 490 885 000 > 90 x 10 6 185 107 D-55 0.1 PFA 2.15 25 - 35 350 520 - 690 10 000 200 000 No break 155 D-56 0.2 FEP 2.15 20 - 34 325 550 - 655 5 000 80 000 No break 158 D-55 0.3 ETFE 1.71 45 - 51 200 - 375 1000 - 1380 5 000 35 000 No break > 1 100 D-67 0.4 Mechanical properties