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Chemours Teflon® PFA Grade 440 HP Extrusion and Molding Resin

Category Polymer , Thermoplastic , Fluoropolymer , PFA
Manufacturer Chemours
Trade Name Teflon® PFA
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Chemours Teflon® PFA Grade 440 HP Extrusion and Molding Resin.pdf
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Material Notes:
DuPont™ Teflon® PFA 440 HP fluoropolymer is a special purpose resin available in clear, 2.5-mm (0.1-in.) pellets. This resin is a chemically modified form of Teflon® PFA 340 that combines many of the benefits of the parent resin with several new ones. The additional benefits may include enhanced purity, improved thermal stability while processing, and chemical inertness, for example, to ozonated fluids.The enhanced purity of Teflon® PFA 440 HP makes it suitable for applications that require improved color, lower extractable fluorides, and freedom from other foreign materials. This product contains no additives and is designed for hostile chemical environments where purity in the parts-per-billion range is needed. Examples are in semiconductor manufacture, fluid handling systems for industry or life sciences, and instrumentation for precise measurements of fluid systems.The improved thermal stability of Teflon® PFA 440 HP results in reduced amounts of bubbles in final parts and decreased corrosion of processing equipment. Teflon® PFA 440 HP combines the processing ease of conventional thermoplastics with properties similar to those of polytetrafluoroethylene. Properly processed products made from neat Teflon® PFA 440 HP resin provide the superior properties typical of fluoropolymer resins: retention of properties after service at 260°C (500°F), useful properties at –196°C (–320°F), and chemical inertness to nearly all industrial chemicals and solvents. Dielectric properties are excellent. Molded products have moderate stiffness and high ultimate elongation.Three categories (A, B, and D) of Teflon® PFA 440 HP resin covering a broad range of melt flow rates (MFR) are available. The low MFR resin provides a higher degree of stress crack resistance while the high MFR resin is easier to process. In a flame situation, products of Teflon® PFA 440 HP resist ignition and do not themselves promote flame spread. When ignited by flame from other sources, their contribution of heat is very small and added at a slow rate with very little smoke.Statements, or data, regarding behavior in a flame situation are not intended to reflect hazards presented by this or any other material when under actual fire conditions.ApplicationsApplications for Teflon® PFA 440 HP include tubing; unsupported pipe or pipe linings for production of ultrapure chemicals; semiconductor component and fluid handling systems for highperformance chemical filters.Chemours was formed from former DuPont performance chemicals businesses, including DuPont Fluoroproducts, in 2015.
Physical Properties Metric English Comments
Specific Gravity 2.12 - 2.17 g/cc
2.12 - 2.17 g/cc
ASTM D792
Water Absorption <= 0.030 %
<= 0.030 %
24 hours; ASTM D570
Melt Flow 14 - 19 g/10 min
14 - 19 g/10 min
ASTM D3307
Mechanical Properties Metric English Comments
Hardness, Shore D 55
55
ASTM D2240
Tensile Strength, Ultimate 25.0 MPa
3630 psi
ASTM D3307
14.0 MPa

@Temperature 250 °C
2030 psi

@Temperature 482 °F
ASTM D3307
Tensile Strength, Yield 13.8 MPa
2000 psi
ASTM D3307
Elongation at Break 300 %
300 %
ASTM D3307
480 %

@Temperature 250 °C
480 %

@Temperature 482 °F
ASTM D3307
Flexural Modulus 0.590 GPa
85.6 ksi
ASTM D790
0.030 GPa

@Temperature 250 °C
4.4 ksi

@Temperature 482 °F
ASTM D790
Izod Impact, Notched NB
NB
ASTM D256
Thermal Properties Metric English Comments
CTE, linear 140 µm/m-°C

@Temperature 21.0 - 100 °C
77.8 µin/in-°F

@Temperature 69.8 - 212 °F
ASTM D696
170 µm/m-°C

@Temperature 100 - 149 °C
94.4 µin/in-°F

@Temperature 212 - 300 °F
ASTM D696
210 µm/m-°C

@Temperature 149 - 208 °C
117 µin/in-°F

@Temperature 300 - 406 °F
ASTMD 696
Melting Point 302 - 310 °C
576 - 590 °F
ASTM D3418
Maximum Service Temperature, Air 260 °C
500 °F
Flammability, UL94 V-0
V-0
Oxygen Index >= 95 %
>= 95 %
ASTM D2863
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+18 ohm-cm
1.00e+18 ohm-cm
ASTM D257
Surface Resistivity per Square >= 1.00e+17 ohm
>= 1.00e+17 ohm
ASTM D257
Dielectric Constant 2.03

@Frequency 60.0 - 1.00e+6 Hz
2.03

@Frequency 60.0 - 1.00e+6 Hz
ASTM D150
Dielectric Strength 80.0 kV/mm

@Thickness 0.0250 mm
2030 kV/in

@Thickness 0.000984 in
Short time; ASTM D149
Dissipation Factor 0.00010

@Frequency 60.0 - 1.00e+6 Hz
0.00010

@Frequency 60.0 - 1.00e+6 Hz
ASTM D150
Arc Resistance >= 180 sec
>= 180 sec
ASTM D495
Processing Properties Metric English Comments
Processing Temperature 379 - 399 °C
714 - 750 °F
Cure Temperature
Descriptive Properties Value Comments
20% Hydrochloric Acid Transmission, g/100sq in. <0.02
50% Sodium Hydroxide Transmission, g/100sq in. <.02
Acetic Acid Transmission, g/100sq in. 0.41
Acetone Transmission, g/100sq in. 0.95
Acetophenone Transmission, g/100sq in. 0.5
Benzene Transmission, g/100sq in. 0.64
Carbon Tetrachloride Transmission, g/100sq in. 0.31
Chemical/Solvent Resistance Excellent
Ethyl Acetate Transmission, g/100sq in. 0.76
Folding Endurance, # cycles, .18-.20 mm 15000
Heat of Combustion J/g 5300
ASTM D240
Hexane Transmission, g/100sq in. 0.56
Piperidine Transmission, g/100sq in. 0.04
Red Fuming Nitric Acid Transmission, g/100sq in. 7.5-1.4
Salt Spray Resistance on aluminum, Hours 1000
Sulfuric Acid Transmission, g/100sq in. 0.00001
Water Transmission, g/100sq in. 0.4
Weather Resistance 10
Years unaffected in Florida Exposure
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