Page 85 - Parker - Fluoropolymer Extrusions

Property Comparison

Intro

The table below lists a generally accepted summary of properties that we believe to be reliable. Please note that many
PFA (Perfluoroalkoxy) of these resins are produced in several varieties and property characteristics may vary. Therefore, determination of
Working Temperature: 500°F (260°C) resin is dependent on the application and this table is only meant to serve as a general guideline. PFA
Color: Clear with light blue or tint Tubing
• High purity resins available Properties* ASTM or PTFE FEP PFA High Purity PFA PVDF ETFE A
• Low permeation resins available Unit
• Use when you need the temperature range of PTFE MECHANICAL PROPERTIES
and the clarity of FEP Specific Gravity D792 2.13-2.22 2.12-2.17 2.12-2.17 - 1.76-1.82 1.74
• Exceptional heat resistance D3307 - - - 2.14-2.16 - -
• Self extinguishing Elongation % D638 200-450 250-330 280-400 - 100-800 430
• Nonwetting D3307 - - - 370 - -
• Good flexlife Tensile Strength (psi) D638(psi) 2500 3400 3600 - 3200 5000
D3307(psi) - - - 3600 - - FEP Tubing
Flexural Strength (psi) D790 no break no break no break no break 1500-5000 5500 B
Compressive Strength (psi) D695 700-900 725-2200 725-810 na 2000-6000 2500
Tensile Elastic Modulus D638 57,000 50,000 72,500-
High Purity PFA (Perfluoroalkoxy) (Young's Modulus) (psi) - - 87,000 na 35,000-220,000 116,030
Working Temperature: 500°F (260°C) D790(psi) 71,000-85,000 78,000-92,000 94,000-99,000 - 130,534
Color: Clear with light blue or tint Flexural Modulus D790 103MPa 0.5-0.6 0.5-0.6 0.6-0.7 647-686 90,000-168,000 -
See characteristics of PFA with these additional features: (103kgf/cm2) (5.0-6.0) (5.5-6.4) (6.6-7.0) - 280,00-110,000 -
Flex Life (MIT cycles) D2176 >1,000,000 5,000-80,000 10,000-500,000 2000 x 10 3 na na
• Lowest level of extractables PTFE Tubing
• Highest molecular weight available Hardness Durometer Shore D D2240 D50-65 D55 D55-D60 D60 D55-D75 D67
• Withstands corrosive surfactants for longer periods Coefficient of Friction (on steel) 0.02 0.05 0.04-0.06 0.05 0.33-0.49 0.20 C
of time Abrasion Resistance 1000 cycles Taber 8-90 14-20 0.00-96.75 na 16-33 0.005
• Higher flow Impact Strength IZO.D. 73°F/23°C D256 3 no break no break no break 4 no break
• Higher purity notched ft/lbs/in
THERMAL PROPERTIES
°C 327 260 305 305 125 260
Melting Point
°F 621 500 582 582 257 500
Upper Service °C 260 204 260 260 130 180 PVDF
Temperature(20000h) °F 500 400 500 500 260 356 Tubing
FEP (Fluorinated Ethylene Propylene) Flammability UL 94 V-0 V-0 V-0 V-0 V-0 V-0 D
Working Temperature: 400°F (204°C) Thermal Conductivity BTU-in/hr-ft 2 , ºF 1.7-2.08 1.4 1.3 na 1.00-1.25 1.65
Color: Clear Thermal Conductivity Cal-cm/sec-cm 2 , ºC 6 x 10-4 6 x 10-4 6 x 10-6 na na 5.7 x 10-4
Linear Coefficient of Thermal D696 55.6 46.1-58.3 66.7 na 7.00-10.8 9.4 (10 -5/ °C)
Expansion Min/inºF 73.4-140ºF
• Excellent chemical resistance Heat of Fusion BTU/LB 29-37 4-35 13 na 0.28-0.36 20
• Nonwetting Heat of Combustion BTU/LB °F 2200 2200 2300 na na 8100
• Weldable °C -268 -268 -268 -268 -62 -76
• Tubes can be sealed by melting Low Temperature Embrittlement °F -450 -450 -450 -450 -80 -105
• Long continuous lengths ELECTRICAL PROPERTIES ETFE Tubing
• Low refractive index D150/10 Hz 2.1 2.1 2.1 2.1 3.5 2.6
3
6
• Improved clarity over PFA Dielectric Constant D150/10 Hz 2.1 2.1 2.1 2.1 10.6 E
• Lower cost alternative to PFA Dielectric Strength D149/125 MIL 500 508 500 500 - 600 0.8 na
D149/10 MIL >1400 >610 >1400 na 1.5
Volume Resistivity D257/ohm-cm >10 18 >10 18 >10 18 na 2 x 10 14 10 17
Surface Resistivity D257/ohm-cm >10 18 >10 17 >10 17 na 5 x 10 14 >10 15
GENERAL PROPERTIES
Chemical/Solvent Resistance D543 Excellent Excellent Excellent Excellent Very Good Excellent
Refractive Index 1.35 1.338 1.34 1.34 1.42 1.447 Technical
Limiting Oxygen Index, % D2868 >95 >95 >95 na 42/75 2 31 Pages
Water Contact Angle Angle to Level 110 114 115 na 92 na F
Water Absorption 24h,% D570 <0.01 <0.01 <0.03 <0.01 0.03-0.05 0.03
Weatherability Excellent Excellent Excellent Excellent Excellent Excellent
*General resin properties; Tubing properties may vary.
Working pressures are at 73°F (23°C). Pressure ratings are also effected by diameter of tubing and wall thickness. Actual performance may vary with different
media and working conditions. Use this information for comparison only.
For detailed ordering information, please consult price list or contact Parker Texloc. Index
Parker Hannifin Corporation | Parflex Division, TexLoc | Fort Worth, Tx | www.texloc.com F03
®
G

FLAT SIZE – 8.5" X 11" (11 x 17 spreads to be separated during final gather)
CUT SIZE – 8.5" X 11"
BLEED SIZE – 8.75” X 11.25”
FINISHINGS – Drill holes