Products Fluorinated Thermoplastics
OPTIMAL PRODUCT PROPERTY COMBINATIONS Flomelt PVDF Flomelt ETFE Flomelt ECTFE Flomelt FEP Flomelt PFA Flomelt PEEK
             
Flexibility = + - = = -
Chemical Resistance = = = + + +
High Temperature Resistance = + = + + +
Fire Resistance = = = + + =
Electrical Insulation = + + + + =
Mechanical Strength + + + = = +
Low Temperature Processability + + = = - -
Optical Properties = + - = = -
+ Excellent behaviour - Generally recommended
= Good performances - Depends on product grade and required application
- Generally not recommended
FLOMELT PVDF
FLOMELT PVDF
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FLOMELT ETFE
FLOMELT ETFE
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FLOMELT ECTFE
FLOMELT ECTFE
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FLOMELT FEP
FLOMELT FEP
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FLOMELT PFA
FLOMELT PFA
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Main Typical Properties of Fluoropolymers
Typical Properties Test Method Units Flomelt PVDF Flomelt ETFE Flomelt ECTFE Flomelt FEP Flomelt PFA PTFE
Mechanical  
Specific gravity ASTM D 792   1,77 1,71 1,69 2,15 2,16 2,17
Tensile strength at 23°C ASTM D 638 Mpa 40-50 45-51 46-54 24-28 25-35 26-36
Elongation at 23°C ASTM D 638 % 50-300 200-375 250-300 250-350 300-350 300-325
Tensile strength at yield at 23°C ASTM D 638 MPa 23,5 22,9 20,2 13,1 14,5 13,7
Tensile modulus at 23°C ASTM D 638 MPa 1500-2000 825-1000 1300-1500 520 435 480
Flexural modulus at 23 °C ASTM D 790 MPa 1275-2060 1000 - 1380 1670 550 - 655 520 - 690 490
Impact strength  
at + 23 °C ASTM D 256 J/m 145-200 No break Resist No break No break 185
at - 54 °C Brittle > 1100   158 155 107
Hardness Shore D ASTM D 2240 Shore 76-80 65-75 75 56 55-60 55
Coefficient of friction at 3 m/min and 0,7 Mpa ASTM D 3702 - 0,6 0,4 0,5 0,3 0,2 0,1
Thermal  
Melting point ASTM D 4591 °C 171 265 240 260 305 327
Service temperature ISO 2578 °C 150 155 150 205 260 260
Flame Class UL94 - V-0 V-0 V-0 V-0 V-0 V-0
Oxygen index ASTM D 2863 % 43 31 52 > 95 > 95 > 95
Electrical  
Dielectric strength                
at thickeness of 0,25 mm ASTM D 149 kV/mm 50 62 62 78 74 85
at thickness of 1,00 mm 22 32 32 35 35 35
Dielectric contant ASTM D 150 1GHz 6,9 2,5 2,6 2,1 2,1 2,1
Dissipation factor ASTM D 150 1GHz 0,1 0,0145 0,005 0,0005 0,0005 0,0001
Arc resistance ASTM D 495 sec - > 72 135 > 180 > 180 > 180
Volume resistivity ASTM D 257 Ohm.cm 10 14 > 1014 10 15 > 1017 > 1017 > 1017
Surface resistivity ASTM D 257 Ohm 10 13 > 1014 > 1014 > 1017 > 1017 > 1017
General  
Solvent resistance ASTM D 543 - good very good  good + excellent excellent excellent
Chemical resistance ASTM D 543 - good very good  good + excellent excellent excellent
Water absorption ASTM D 570 % 0,03 0,03 0,01 0,01 0,03 0,00


VAT N. IT 01406020162 | REA N. 203233 - Cod.Mecc. BG 003351
Cap. Sociale € 10.000.000 interamente versato
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