Acrylonitrile / Methyl-acrylate copolymer Barex® - impact modified copolymer Cellulose Acetate Butyrate CAB Cellulose Acetate CA Cellulose Regenerated Cellulose Ethylene-Chlorotri-fluoro-ethylene copolymer   E-CTFE Ethylene-Tetrafluoro-ethylene Copolymer ETFE Fluorinated Ethylene Propylene Copolymer FEP Hexafluoro-propylene-vinylidene-fluoride copolymer FKM Polyacryl-amide / acrylate Hydrogel Polyacrylo-nitrile PAN Polyacrylo-nitrile-butadiene-styrene ABS Polyamide - Nylon  4,6 Polyamide - Nylon  6 Polyamide - Nylon  6, 6 - 30% Glass Fibre Reinforced Polyamide - Nylon  6, 6 Polyamide - Nylon 11 Polyamide - Nylon 12 Polyamide / imide PAI Polyaramid Polymeta-phenylene isophthal-amide Polyaramid Polypara-phenylene terephthal-amide Polybenz-imidazole PBI Polybutylene tere-phthalate - 30% Glass Fibre Reinforced PBT 30% GFR Polybutylene tere-phthalate PBT Poly-carbonate - 30% Glass Fibre Filled  Poly-carbonate - Conductive PC Poly-carbonate PC Polyether-etherketone PEEK Polyether-imide PEI Polyether-sulphone PES Poly-ethylene - Carbon filled  Poly-ethylene - High density HDPE Poly-ethylene - Low Density LDPE Poly-ethylene - U.H.M.W. Polyethylene naphthalate PEN Poly-ethylene tere-phthalate Polyester, PET, PETP Polyhydroxybutyrate - Biopolymer PHB Polyhydroxybutyrate / Polyhydroxyvalerate  8% - Biopolymer PHB92/PHV 8 Polyimide PI Polymethyl-meth-acrylate PMMA, Acrylic Polymethyl-pentene TPX® Polyoxy-methylene - Copolymer Acetal - Copolymer POMC Polyoxy-methylene - Homo-polymer Acetal - Homo-polymer POMH Polyphenyl-eneoxide (modified), 30% Glass Fibre Reinforced PPO 30% GFR Polyphenyl-eneoxide PPO (modified), PPE Polyphenyl-enesulphide - 40% Glass Fibre Reinforced PPS - 40% GFR Polyphenyl-enesulphide PPS Poly-propylene PP Polystyrene - Conductive High Impact Conductive Polystyrene Polystyrene - Cross-linked PS Polystyrene PS Polytetra-fluoro-ethylene PTFE Polytetra-fluoro-ethylene coated Glass Fabric PTFE 75 / Glass 25 Polytetra-fluoro-ethylene filled with Glass PTFE 25% GF Polyvinyl-chloride - Un-plasticised UPVC Polyvinyl-fluoride PVF Poly-vinylidene-chloride PVDC Poly-vinylidene-fluoride PVDF Silicone Elastomer  Tetrafluoro-ethylene-perfluoro (alkoxy vinyl ether) - Copolymer PFA.  Teflon PFA. Vectra A® - Liquid Crystal Polyester  Vectra B® - Liquid Crystal Polyester / amide copolymer 
Physical Properties
Abbe Number     80-84                                               34                         57.2                     30.8                      
Density g cm-3   1.2 1.3 1.44 1.68 1.7 2.15 2 ~1.5   1.05 1.18 1.13 1.4 1.14 1.04 1.02 1.42-1.46 1.38 1.44 1.3 1.63 1.31   1.28 - 1.35 1.2 1.26 - 1.32 1.27 1.37 0.96 0.95 0.92 0.94 1.36 1.3-1.4 1.25 1.25 1.42 1.19 0.835 1.41 1.42 1.29 1.06 1.66   0.9 1.04 1.05 1.05 2.2 2.08 2.2 1.4 1.37-1.39 1.63 1.76 1.1 - 1.5 2.15 1.4 1.4
Flammability     Combustible Combustible   V0 V0 V0 Self Extinguishing     HB at 1.5mm V2 at 0.8mm Self Extinguishing   Self Extinguishing V2 HB-V2 V0     Does not burn Self Extinguishing       V0-V2 V-0 at 1.5mm V-0 at 0.4mm V-0 at 0.4mm   Flammable Flammable Combustible VTM-2 - UL94, 0.075mm Self Extinguishing     V0 Combustible Combustible HB HB HB HB V0   Combustible   Combustible Slow burn V0   V0 Self Extinguishing V0 Self Extinguishing V0   V0 V0 at 0.8mm V0 at 0.4mm
Limiting Oxygen Index %   17 19 ~ 18 60 30-32 95       19 24 25 22 23 22 21 44-45 29   58 23 25     25-27 35 47 34-41   17 17 17   21     53 17-20 17 15 15 26 20 46   18     19 95   95 42 35 60 44   >95% 35 50
Optical Transmission %                                                                   84 at 0.075mm                                                      
Radiation resistance - Alpha           Degraded by 10000 rads   Fair           Fair   Fair Fair   Good Good   Good           Good   Good                 Good                     Good   Poor                 Good Good
Radiation resistance - Beta               Fair                     Good                                       Good                     Good   Poor           Good        
Radiation resistance - Gamma               Fair                     Good                                       Good                     Good   Poor           Good        
Radiation resistance - X-ray                                                                             Good                     Good                        
Refractive Index     1.478 1.49     1.403 1.344           1.53   1.53                     1.584-6     1.65   1.54 1.51     1.58-1.64     1.66 1.49 1.463             1.49   1.59 1.59-1.60 1.38     1.54 1.46   1.42        
Resistance to Ultra-violet     Good Good   Good Excellent Excellent Excellent         Fair   Fair Fair   Good   Fair           Fair Fair Good Fair Good Fair Fair Fair   Good Fair Fair Good Good Fair Poor Poor   Good     Fair   Good Fair Excellent   Good Good Excellent Fair Good     Good Good
Water absorption %           0-0.03 0.01                                                                                                            
Water absorption - Equilibrium %       50               3.7 >8   8 2.5 1.6 37349 9           ~0.9 0.35 0.5 1.3 2.2           <0.7           0.6 - 0.8 0.6 - 0.9         0.03                         0.03 0.1
Water Absorption - over 24 hours %   0.9-2.2 1.9-7.0   <0.02           0.3-0.7 1.3 2.7 37377 2.3 0.8   0.3     0.4 0.15-0.35 0.1     0.1 0.1-0.3 0.25 0.4-1   <0.01 <0.015 <0.01   0.1     0.2-2.9 0.2 0.01 0.2 - 0.25 0.25 0.06-0.33 0.1-0.5 <0.05       0.02-0.03 <0.4 0.01   0.15 0.03-0.4 0.05 0.1 0.04     0.02 0.03
Electrical Properties
Dielectric Constant at 1kHz                 10.5                             3.2         3.1                                                     8            
Dielectric Constant at 1MHz     2.5-6.2 ~5 4 (dry) 2.3-2.5 2.6 2.1       3.2 - 3.3 3.8-4.3 3.6 3.9-5.7 3.4 3 3.5 at 100kHz 3.9-5.4     3.2 4       2.9 3.2-3.3 at 50Hz-10Khz   3.7   2.3-2.4 2.2-2.35 2.3 3.2 at 10KHz 3 3 3 3.4 2.6 2.12 3.7 - 4.4 3.7 3.1 2.7 3.8 - 4.2   2.2-2.6   2.5 2.4-3.1 2.0-2.1   2.2-2.35 2.7-3.1   3.0-6.0 8.4     3 3.1
Dielectric Strength kV.mm-1   10 11 30-50 at 1mm 40 25 20 at 3.2mm 20     20-25 20 25   25 20 26-30 at 1mm 23 at 1mm     21 20 20     15-67 19 at 50µm 30 at 1.6mm 16   22 27 28 160 at 0.075mm 17     22 15   20 at 2.3mm 20 15 16-20 18   30-40   27-47 20 50-170   40 14 20   13     47 at 1.5mm 37 at 1.5mm
Dissipation factor at 1kHz     0.04 0.06 0.06 0.002     0.034       0.35 0.2   0.2 0.05 0.06         0.002 0.002                       0.002     0.0018   0.0002     0.01 0.004           0.0002     0.003 0.025 0.04   0.06        
Dissipation factor at 1MHz             0.0005 0.0007       0.02             0.03-0.042               0.01 0.003 0.0013 at 1KHz 0.003   1-10 x 10-4 1-10 x 10-4 1-10 x 10-4 0.0048 at 10KHz         0.014   0.006 - 0.18 0.005     0.0013-0.004   0.0003 - 0.0005   0.0002   0.0003 - 0.0007                 0.02 0.01
Surface Resistivity Ohm/sq         1014-1015 >1014 1016         1012-1014 5x1010   1011 1014 1013 8-50 x 1017             100-500 1015   4x1013   103-104 1013 1013 1013 1014 1013     1016 1014   1015 1015   2x1016 1016   1013 102-107 >1015   1017 >1013 1015     1012-1013 1013     4x1013  
Volume Resistivity Ohm.cm   1011-1015 5 x 1012 1010 - 1012 1015-1016 1016 1018 2 x 1013     >1015 1013-1015 5x1012 1012-1015 1013 1014 1012-1014 0.08-2 x 1017     8x1014 2x1014 1015   1-100 1014-1016 1015-1016 7x1015   <105 1015-1018 1015-1018 1018 1015 >1014 1016 1016 1018 2-14 x 1015 >1016 1015 1015 1017 1017 1016   1016-1018 102-107 >1015 >1016 1018-1019 >1015 1016 1016 1013 1012-1016 1014     1016 1016
Thermal Properties
Heat-Deflection Temperature - 0.45MPa C   73 52-105   115 105 50       98 220 200 257 200 150 130-135       435 220 150     140 >260 200 >260   75 50 69   115       105 100 160 170 165 137 >260   100-105     90 120     70 120   120-150     220  
Heat-Deflection Temperature - 1.8MPa C   62 48-86   75 70 70       89 160 80 252 100 55 48-55 278-9       200 60     128-138 160 190 203   46 35 42   80     360 95 40 110 135 135 125 240   60-65     80 54     67 80   80-115     180 200
Lower Working Temperature C   <-40 -20   -75 <-100 -250 -10 to -50       -40 -40   -30 -50   =< -200   -200           -135     -110     -60     -40 to -60     -270 -40 -20 to -40 -40     -40     -10 to -60       -260 -190 to -60   -30 -70   -40 -70 to -50   ~ -200  
Specific Heat kJ.kg-1.K-1     1.2-1.9 ~ 1.4   1.9-2.0 1.1                     1 1.2 1.4           ca.1.2 0.32 2     1.9 1.9 1.9   1.2 - 1.35   1.4 1.09 1.4-1.5 2 1.5 1.5         1.7-1.9     1.2 1       1 - 1.8     1.3-1.5   1 1
Thermal Conductivity at 23C W m-1 K-1   0.16-0.32 0.16-0.36   0.16 0.24 0.19 - 0.24 0.2     0.17 0.3 0.24-0.28 0.23 0.25 0.3   0.26-0.54 0.13 0.04 0.41 0.24       0.19-0.22 0.25 0.22 0.13-0.18   0.45-0.52 0.33 0.42-0.51   0.15-0.4   0.15 0.10-0.35 0.17-0.19 0.17 0.23-0.3 0.22-0.24 0.28 0.22 0.29-0.45   0.1-0.22   0.17 0.1-0.13 0.25   0.33-0.42 0.12-0.25   0.13 0.1-0.25     0.18 0.18
Thermal Expansivity x10-6 K-1   140 80-180   80 90-170 83 - 104 160     80 80-90 95 20-30 90 125 100-120 25-31 20 -2 along axis 23 20-70       66-70 47/108 56 55   100-200 100-200 130-200 20-21 for biax film 20-80     30-60 70-77 117 80-120 122 25-30 60 22-35   100-180   90 30-210 100-160   75-100 75-100 50-97 190 80-140     -5 to +75 -5 to +40
Upper Working Temperature C   60-100 55-95   130-170 150-160 150 - 200 220 to 300     70-100 100-200 80-160 80-200 80-180 70-130   200-260 200 - 300 180-245 260-400 120-200 ~120     115-130 250 170-200 180-220   55-120 50-90 55-95 155 115-170 95   250-320 50 to 90 75-115 80-120 80-120 90-160 80-120 200-260   90-120   93 50-95 180-260 260 260 50-75 150 - 200 80-100 135-150 200-260 260 200-220  
Mechanical Properties
Abrasive Resistance - ASTM D1044 mg/1000 cycles     65   5               5   37379                     42278   10 6                           35 20     13-16   60-100               24     56  
Coefficient of friction           0.07-0.08   0.27-0.67       0.5   0.2-0.3   0.2-0.3 0.2-0.3         0.19-0.27         0.31 0.18       0.29   0.1-0.2 0.27 for biax film 0.2-0.4     0.42       0.2 - 0.35   0.35     0.1-0.3       0.05-0.2   0.08-0.10     0.24 0.2-0.4     0.12-0.14  
Compression Set after 24 hr at 175C %               43                                                                                                          
Compressive Modulus GPa                                         6.2             2.9                                                                  
Compressive Strength MPa                                   170-220     400         >80   140                                                               70 84
Elongation at break %   60   18/55 200 250-350 150-300 200     45     5   320 290-300 42186     3 2 250   37504 100-150 50 60 40-80     400 500 60 for biax film     15 25781 2.5-4 15 15 - 40 40 - 75 37317 50 1.2   150-300, for biax film >50 36 37379 1.6 400     60 90-250   50     3 1.3
Hardness - Rockwell     99 34-125   R95 R50 R25-45, 60 Shore D Shore A75     R100-110 M92 M82 M100 M89 M60 R84-107 E72-86     K115 M93 M70     M70 M99 R125 M88   D60-73 - Shore D41-46 - Shore R50-70   M94-101     E52-99 M92-100 R85 M80 M94 L108 M78/R115 R123   R80-100   R110-120 M60-90 D50-55 - Shore   D60-70 - Shore R106-120 D80 - Shore R98-106 R77-83 60 degrees Shore A   M60 M100
Izod Impact Strength J m-1   260 100-450   <1000 >1000 No break       200-400 80 30-250 120 40-110 96   60-140 - notched     590 unnotched 70 60     600-850 85 50 85   20-210 >1000 >1000   13-35 35-60 100 80 16-32 49 70-80 75 - 130 80 200 75-80   20-100 no break   19-24 160   144 20-1000 180 16-53 120-320     520 415
Poisson's Ratio               0.48       0.35   0.39   0.41     0.38               0.37 0.4 0.44 0.4   0.46   0.46   0.37-0.44 (oriented)       0.35 - 0.4   0.35 0.35 0.27 0.38           0.35 0.46       0.4   0.34        
Tear Strength Nmm-1               10                                                                                             130-200 (initial)            
Tensile Modulus GPa   0.3-2.0 1.0-4.0 37320 1.4-1.6 0.8 0.5 - 0.6       2.1-2.4 3.1-3.3 2.6-3.0 37570 3.3 1.5   4.5-6.8   59-124 5.9 12 2   ~3.8 2.3-2.4 3.7-4.0 2.9 2.4-2.6   0.5-1.2 0.1-0.3 0.2-1.2 5-5.5 for biax film 37348 3.5 0.9 2.0-3.0 2.4-3.3 1.5 2.3 - 2.8 2.9 - 3.1 37507 2.5 7.6-12.0   0.9-1.5, for biax film 2.2-4.2, 1.6 1.65 2.3-4.1 0.3-0.8   1.7 2.5-4.0 2.1 - 2.6 0.3-0.55 1.0-3.0     37531 2.5-20
Tensile Strength MPa   20-60 12-110 120/55 48 28-48 14 - 30 9     41-45 55-100 78 160-210 82 44 50-55 110-190   2760 160 185 50   60-70 55-75 70-100 85 70-95 20 15-40 45778 20-40 200 for biax film 80, for biax film 190-260 40 28 70-150 80 25.5 60-70 70 100-120 55-65 124-160   25-40, for biax film 130-300, 27 55-70 30-100 14885   44013 25-70 55-110 25-110 25-60 6.5   55-165 87-188
Chemical Resistance
Acids - concentrated     Poor   Good Good Excellent Good         Poor poor Poor Poor Poor Good Fair Poor Fair Good       Fair Fair   Fair Fair Good Fair Fair Poor - Good Good     Good Fair Good Poor Poor Fair Fair Fair   Good   Fair Good Good Good Good Fair   Good Good Fair   Fair Fair
Acids - dilute     Fair Good Good Good Excellent Good     Good   Poor poor Poor Fair-Poor Fair-Poor Good Good Fair Good Good Good     Good Good Good Good Good Good Good Good Good Good Fair Fair Good Good Good Poor - Good Poor - Fair Good Good Good   Good   Good Good Good Good Good Good   Good Good Good   Good Good
Alcohols   Poor Fair   Good Good Excellent Good-Fair         Good   Good Fair Fair Good Good Good Very Good Very Good Good     Good Good   Good Good Good Good Good Good Good Fair Fair Good Fair Good Good Good Fair Fair Good   Good   Good Good Good Good Good Fair   Good Good Fair   Good Good
Alkalis     Poor Good Good Good Excellent Good-Fair     Fair   Good very good Good Good Good Poor Fair - Good Good Good/Fair Poor Poor-Good     Poor Good Good/Fair Good   Good Good Good Poor - Good Poor Poor Poor Poor Good Good Fair - Good Poor Good Good Good   Good   Fair Good Good Good Good Good   Good Good Fair   Fair Fair
Aromatic Hydrocarbons   Poor Good   Good Good Excellent Good-Fair     Poor   Good very good Good Good Good Good Good Good Very Good Good Good     Poor Good Good Fair   Fair-Poor Poor Poor Good Fair     Good Poor Fair Good Good Poor Poor Good   Fair   Poor Poor Good Good Good Poor   Fair Fair Poor   Good Good
Greases and Oils     Good Good Good Good Excellent Good         Good   Good Good Good Good Good Good Very Good Good Good     Good Good   Good   Fair Poor Good Good Good Good Good Good Poor Good Good Good Fair Fair Good   Fair   Fair Good-Poor Good Good Good Fair   Good Good Good   Good Good
Halogens     Good   Fair Good Excellent Good     Fair   Poor   Poor Poor Poor     Good   Good       Poor Good   Good   Poor Poor Fair-Poor   Good       Poor   Poor Poor Poor Poor Fair   Poor   Poor   Good Fair Good Fair   Good Good Poor      
Ketones   Poor Poor   Good Good Excellent Poor     Poor   Good very good Good Good Good Good Good Good Very Good Very Good Good     Poor Good   Poor Fair Good Good Good Good Good     Good Poor Good Good - Fair Good - Fair Fair Fair Good   Good   Poor Poor Good Good Good Poor   Fair Poor Fair   Good Good