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Master Bond adhesives

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Chemours Teflon™ PFA 350 General-purpose fluoropolymer resin
Categories: Polymer; Thermoplastic; Fluoropolymer; Perfluoroalkoxy (PFA)

Material Notes: Teflon™ PFA 350 is a general-purpose fluoropolymer resin available in pellet form. Compared with other grades of Teflon™ PFA, its most unique features are a relatively low flow rate, greatly increased flex life, and enhanced resistance to environmental stress-cracking over both Teflon™ PFA 340 and 345 (Teflon™ PFA 350 has a typical MIT folding endurance of 500,000*, compared to that of 15,000 and 50,000 for Teflon™ PFA 340 and 345, respectively). Teflon™ PFA 350 is preferred when extended service is required in hostile environments involving chemical, thermal, and mechanical stress. Applications for Teflon™ PFA 350 include extruded tubing for use in handling aggressive fluids at high pressures; chemical linings for pipes used in the chemical processing industry; film for high flex service; and traditional extruded, injection-molded, or blow molded articles requiring the unique performance of Teflon™.

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Physical PropertiesOriginal ValueComments
Specific Gravity 2.15 g/ccASTM D792
Water Absorption <= 0.030 %
@Time 86400 sec
ASTM D570
Melt Flow 2.0 g/10 minASTM D3307
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 55ASTM D2240
Tensile Strength 14.0 MPa
@Temperature 250 °C
ASTM D3307
 28.0 MPa
@Temperature 23.0 °C
ASTM D3307
Elongation, Ultimate 300 %
@Temperature 23.0 °C
ASTM D3307
 500 %
@Temperature 250 °C
ASTM D3307
Flexural Modulus 0.0350 GPa
@Temperature 250 °C
ASTM D790
 0.520 GPa
@Temperature 23.0 °C
ASTM D790
Flex Crack Resistance 500000
@Thickness 0.203 mm
Cycles MIT Folding Endurance; ASTM D2176
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+18 ohm-cmASTM D257
Surface Resistivity per Square >= 1.00e+17 ohmASTM D257
Dielectric Constant 2.03
@Frequency 1e+6 Hz
ASTM D150
Dielectric Strength 80.0 kV/mm
@Thickness 0.250 mm
Short Time; ASTM D149
Dissipation Factor 0.00020
@Frequency 1e+6 Hz
ASTM D150
Arc Resistance >= 180 secASTM D495
 
Thermal PropertiesOriginal ValueComments
Melting Point 305 °CASTM D4591
Maximum Service Temperature, Air 260 °CContinuous, per accelerated heat-aging test
Flammability, UL94 V-0
Oxygen Index >= 95 %ASTM D2863
 
Descriptive Properties
Chemical/Solvent ResistanceExcellentASTM D543
Critical Shear Rate (1/s)12372°C
Heat of Combustion5.3 MJ/kgASTM D240
Salt Spray Resistance Coatings (hours)1000ASTM B117. 5% NaCl at 35 °C (95 °F).
Weather and Chemical ResistanceOutstanding
Weather Resistance (years unaffected)10Florida Exposure

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

PDU8801 / 268727

Rulon Bearings

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