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	Original Value	Comments

Density	2.00 g/cc
Mooney Viscosity	80 @Temperature 121 °C	ML (1+10)

Mechanical Properties	Original Value	Comments
Hardness, Shore A	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	Press Cure 15 Minutes @ 188°C (370°F), Post Cure 24 Hours @ 250°C (482°F)
Elongation at Break	110 %	Press Cure 15 Minutes @ 188°C (370°F), Post Cure 24 Hours @ 250°C (482°F)
100% Modulus	0.0150 GPa @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	-214 O-rings, 25% Deformation; ASTM D395 Method B
	18 % @Temperature 232 °C, Time 605000 sec	-214 O-rings, 25% Deformation; ASTM D395 Method B
	33 % @Temperature 300 °C, Time 252000 sec	-214 O-rings, 25% Deformation; ASTM D395 Method B
	45 % @Temperature 300 °C, Time 605000 sec	-214 O-rings, 25% Deformation; ASTM D395 Method B

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	315 °C
Brittleness Temperature	-35.0 °C
Transformation Temperature	-2.00 °C	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

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PMM33047 / 167794

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