Properties thru PP Foamed Properties thru SBR Properties thru TFE    Properties thru PP Foamed Properties ASTM Method PVC Semi-Rigid PVC Polyethylene Polyethylene Foamed PP PP Foamed Specific Gravity D-792-66 1.16-1.70 1.38 0.91-1.26 0.50-0.60 0.890-0.905 0.50-0.60 Tensile Strength, psi D-638-7.2 500-4500 4000 1500-2200 550 2900-4500 260 Elongation D-412 40-400 250 180-600 175 700 100 Volume Resistivity, ohm-cm D-257-6 10^4-10^6 10^15 10^15+ - 1.5x10^15 2.8x10^15 - Dielectric Strength, volts/mil D-149-64 250-500 400 230-1420 300 450-850 300 Dielectric Constant, @ 60 Hz D-150-70 3.2-9.0 3.8 2.23-2.50 1.69 2.25 1.69 Dielectric Constant, @ 1 kHz D-150-70 3.0-8.0 3.8 2.27-2.50 1.69 2.25 1.69 Power Factor (Dissipation) @ 60 Hz.    0.007-0.15 - 0.003-0.044 0.0015 0.0054-0.0070 0.004 Power Factor (Dissipation) @ 1 kHz.    0.009-0.16 - 0.00048-0.00049 0.00025 0.0036-0.0050 0.0035 Abrasion Resistance   Good Excellent Good Poor Fair Poor Heat Resistance   Good Good Good Poor Good Poor Weatherability   Good Good Excellent Poor Excellent Poor Flame Retardancy   Excellent Good Poor Poor Poor Poor Water Resistance   Good Good Excellent Poor Excellent Poor Acid Resistance   Good Good Good Fair Excellent Poor Alkali Resistance   Excellent Excellent Good Fair Excellent Fair Aliphatic Hydro Resistance   Good Good Poor Fair Fair Poor Aromatic Hydro Resistance   Poor Poor Poor Fair Fair Poor Properties thru SBR Properties ASTM Method Polyurethane Hytrel Nylon Surlyn TPR Thermoset Neoprene SBR Specific Gravity D-792-66 1.05-1.25 1.25 1.09 0.95 0.89-1.28 1.23-1.65 0.94 Tensile Strength, psi D-638-7.2 5000+ 6000 6000 4000 1300-2300 1200-2700 3000+ Elongation D-412 540-750 500 500 450 500-750 300-700 450+ Volume Resistivity, ohm-cm D-257-6 2x10^14 11x10^14 10^11 10^13 - 5x10^16 10^11-10^13 3x10^16 Dielectric Strength, volts/mil D-149-64 330-630 460 475 485 500-900 600 420-520 Dielectric Constant, @ 60 Hz D-150-70 5.4-7.6 4.0 4.7 2.36 2.22-2.46 - 2.5-3.4 Dielectric Constant, @ 1 kHz D-150-70 5.6-7.6 3.9 4.5 2.36 - 5.0-7.0 2.9 Power Factor (Dissipation) @ 60 Hz.   0.015-0.046 0.016 0.04 0.0016 - - 0.002-0.003 Power Factor (Dissipation) @ 1 kHz.   0.043-0.060 0.019 0.04 0.0019   3.5 0.0032 Abrasion Resistance   Excellent Excellent Excellent Excellent Good Excellent Good Heat Resistance   Good Good Good Good Good Good Excellent Weatherability   Good Excellent Good Excellent Good Good Good Flame Retardancy   Fair Poor Poor Poor Good Good Excellent Water Resistance   Good Good Fair Excellent Good Excellent Good Acid Resistance   Fair Good Good Good Good Good Excellent Alkali Resistance     Fair Good Good Good Good Good Excellent Aliphatic Hydro Resistance   Fair Good Good Good Good Good Excellent Aromatic Hydro Resistance   Fair Good Good Good Good Fair Excellent Properties thru TFE Properties ASTM Method KYNAR HALAR Foam Halar 47% air Solef 11010 Teflon PFA FEP Foam FEP 49% air TFE Specific Gravity D-792-66 1.75-1.78 1.68 0.90 1.77 2.12-2.17 2.12-2.17 ~1.1 2.13-2.20 Tensile Strength, psi D-638-7.2 5200-7500 6000-7000 ~2500 6000 4000-4300 2700-3100 ~1000 1000-3500 Elongation D-412 500 200-300 ~20 300-400 300 250-330 ~100 275 Volume Resistivity, ohm-cm D-257-6 2x10^14 10^15 <10^16 6x10^14 10^15+ 2x10^18 *** 10^18+ Dielectric Strength, volts/mil D-149-64 260 500 100 ~1000 500 500-600 100 500 Dielectric Constant, @ 60 Hz D-150-70 8.40 2.6 1.85 10.0 2.1 2.1 1.5 2.0-2.1 Dielectric Constant, @ 1 kHz D-150-70 7.5 2.53 1.80 - 2.1 2.1 1.5 2.0-2.1 Power Factor (Dissipation) @ 60 Hz.   0.049 <5x10^-4 3x10^-4 58x10^-3 0.000027 0.0002 *** 0.0004 Power Factor (Dissipation) @ 1 kHz.   0.019 <1.5x10^-2 <0.8x10^-2 - 0.000020 0.0007 *** 0.0001 Abrasion Resistance    Good Excellent Good Excellent Fair Good Fair Fair Heat Resistance    Excellent Excellent Very Good Very Good Excellent Excellent Good Excellent Weatherability    Good Excellent Very Good Very Good Good Good Excellent Excellent Flame Retardancy    Excellent Excellent Good Very Good Excellent Excellent Good Excellent Water Resistance    Good Excellent Good Very Good Excellent Good Good Excellent Acid Resistance    Excellent Excellent Good Very Good Excellent Excellent Good Excellent Alkali Resistance    Excellent Excellent Good Very Good Excellent Excellent Good Excellent Aliphatic Hydro Resistance    Excellent Excellent Good Very Good Excellent Excellent Good Excellent Aromatic Hydro Resistance   Excellent Excellent Good Very Good Excellent Excellent Good Excellent *KYNAR is a registered trademark of ELF Atochem North America, Inc. *TEFLON is registered trademark of E.I. du Pont de Nemours and Company. *SOLEF is a trademark of Soltex *HALAR is a registered trademark of Ausimont USA. ***Variation depends on level expansions