3M Dyneon™ PFE 191T High Temperature Perfluoroelastomer

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3M Dyneon™ PFE 191T High Temperature Perfluoroelastomer
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer
Material Notes:	3M™ Dyneon™ PFE 81TZ, PFE 131TZ and PFE 191TZ are technically advanced high temperature perfluorelastomers (HT PFE). They are designed to meet the challenges of higher temperature applications. They are classified as FFKM per ASTM D1418. Their fully fluorinated backbone structures provide a very broad chemical and thermal stability. Features and Benefits: Upper use temperature of 315°C Can be compounded to pass AMS 7257D Ideal for dry side (thermal processes) semiconductor applications including plasma, and high temperature CPI and aerospace applications Low metal ion content with low extractables Information provided by 3M
Key Words:	Formerly PFE 191TZ
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Physical Properties	Metric	English	Comments

Density	2.00 g/cc	0.0723 lb/in³
Mooney Viscosity	80 @Temperature 121 °C	80 @Temperature 250 °F	ML (1+10)

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	80	80	Press Cure 15 Minutes @ 188°C (370°F), Post Cure 24 Hours @ 250°C (482°F); ASTM D2240
Tensile Strength at Break	15.6 MPa	2260 psi	Press Cure 15 Minutes @ 188°C (370°F), Post Cure 24 Hours @ 250°C (482°F)
Elongation at Break	110 %	110 %	Press Cure 15 Minutes @ 188°C (370°F), Post Cure 24 Hours @ 250°C (482°F)
100% Modulus	15.0 MPa @Strain 100 %	2180 psi @Strain 100 %	Press Cure 15 Minutes @ 188°C (370°F), Post Cure 24 Hours @ 250°C (482°F)
Compression Set	15 % @Temperature 232 °C, Time 252000 sec	15 % @Temperature 450 °F, Time 70.0 hour	-214 O-rings, 25% Deformation; ASTM D395 Method B
	18 % @Temperature 232 °C, Time 605000 sec	18 % @Temperature 450 °F, Time 168 hour	-214 O-rings, 25% Deformation; ASTM D395 Method B
	33 % @Temperature 300 °C, Time 252000 sec	33 % @Temperature 572 °F, Time 70.0 hour	-214 O-rings, 25% Deformation; ASTM D395 Method B
	45 % @Temperature 300 °C, Time 605000 sec	45 % @Temperature 572 °F, Time 168 hour	-214 O-rings, 25% Deformation; ASTM D395 Method B

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	315 °C	599 °F
Brittleness Temperature	-35.0 °C	-31.0 °F
Transformation Temperature	-2.00 °C	28.4 °F	TR 10

Descriptive Properties
Color	White
Form	Crumb
MH, Maximum Torque	25.6 In-lb		100 cpm, 0.5° Arc, 15 Minutes @ 188°C (370°F), ASTM D5289
ML, Minimum Torque	1.4 In-lb		100 cpm, 0.5° Arc, 15 Minutes @ 188°C (370°F), ASTM D5289
t’50, Time to 50% Cure	3.7 minutes		100 cpm, 0.5° Arc, 15 Minutes @ 188°C (370°F), ASTM D5289
t’90, Time to 90% Cure	8.3 minutes		100 cpm, 0.5° Arc, 15 Minutes @ 188°C (370°F), ASTM D5289
t_s2, Time to 2 Inch-lb Rise from Minimum	2.1 minutes		100 cpm, 0.5° Arc, 15 Minutes @ 188°C (370°F), ASTM D5289

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 view all the property values for this datasheet as they were originally entered into MatWeb.

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PMM33047 / 167794

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