PFA (perfluoroalkoxy) is a tough, flexible fluoropolymer that is used for flexible tubing and fluid processing equipment when chemical resistance, high purity, and low stiffness are required. PFA has outstanding electrical properties including high dielectric strength, a low dissipation factor, and a low dielectric constant. The material has outstanding resistance to outdoor weathering and performs well in extreme temperatures. This flexible fluoropolymer is widely used for pump housings and pipe linings, fluid handling and chemical processing equipment, wet bench equipment, and food processing and packaging equipment.
PFA FDA Compliant grade is Daikin Neoflon® GP. Please ask your Curbell Plastics representative for more specific information.
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For a glossary of terms, see our Plastic Properties Descriptions.
TYPICAL PROPERTIES
| |
UNITS |
ASTM TEST |
|
| Tensile Strength |
psi |
D638 |
* |
| Flexural Modulus of Elasticity |
psi |
D790 |
90,000 |
| Izod Impact (notched) |
ft-lbs/in of notch |
D256 |
no break |
| Heat Deflection Temperature (66psi / 264psi) |
°F |
D648 |
- |
Water Absorption
(Immersion 24 hours) |
% |
D570 |
<0.03 |
PHYSICAL PROPERTIES
| |
UNITS |
ASTM TEST |
|
| Specific Gravity |
- |
D792 |
2.12 - 2.17 |
Water Absorption
(Immersion 24 hours) |
% |
D570 |
<0.03 |
MECHANICAL PROPERTIES
| |
UNITS |
ASTM TEST |
|
| Tensile Strength |
psi |
D638 |
* |
| Tensile Modulus of Elasticity |
psi |
D638 |
- |
| Tensile Elongation |
% |
D638 |
* |
| Flexural Strength |
psi |
D790 |
- |
| Flexural Modulus of Elasticity |
psi |
D790 |
90,000 |
| Compressive Strength |
psi |
D695 |
- |
| Hardness |
scale as noted |
D785, D2240 |
Shore D 58 |
| Izod Impact |
ft-lbs/in |
D256 |
no break |
THERMAL PROPERTIES
| |
UNITS |
ASTM TEST |
|
| Coefficient of Linear Thermal Expansion |
in/in/°F x 10-5 |
D696 |
6.7 |
| Heat Deflection Temperature (66psi / 264psi) |
°F |
D648 |
- |
| Max Continuous Service Temperature In Air |
°F |
- |
500 |
ELECTRICAL PROPERTIES
| |
UNITS |
ASTM TEST |
|
| Dielectric Strength |
V/mil |
D149 |
* |
OPTICAL PROPERTIES
| |
UNITS |
ASTM TEST |
|
| Light Transmittance |
% |
D1003 |
- |
| Haze |
% |
D1003 |
- |
OTHER
| |
UNITS |
ASTM TEST |
|
| Coefficient of Friction |
- |
Dynamic |
0.21 |
Values may vary according to brand name. Please ask your Curbell Plastics representative for more specific information about an individual brand.
Still Not Sure if You Need PFA? Research PFA or Ask a Plastics Expert.