Daikin DAI-EL® LT-252 Fluoroelastomer, 67% Fluorine Content

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Daikin DAI-EL® LT-252 Fluoroelastomer, 67% Fluorine Content
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer
Material Notes:	Information provided by Daikin.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.82 g/cc	1.82 g/cc
Mooney Viscosity	30 @Temperature 121 °C	30 @Temperature 250 °F	ML1+10
	40 @Temperature 100 °C	40 @Temperature 212 °F	ML1+10
	42 @Temperature 100 °C	42 @Temperature 212 °F	Compound, ML1+10

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	63	63	peak
	58 @Time 3.00 sec	58 @Time 0.000833 hour
	60 @Treatment Temp. 250 °C, Time 252000 sec	60 @Treatment Temp. 482 °F, Time 70.0 hour	Air aging test
	62 @Treatment Temp. 230 °C, Time 252000 sec	62 @Treatment Temp. 446 °F, Time 70.0 hour	Air aging test
Tensile Strength at Break	13.5 MPa	1960 psi
	5.13 MPa @Treatment Temp. 250 °C, Time 252000 sec	744 psi @Treatment Temp. 482 °F, Time 70.0 hour	Air aging test
	10.9 MPa @Treatment Temp. 230 °C, Time 252000 sec	1580 psi @Treatment Temp. 446 °F, Time 70.0 hour	Air aging test
Elongation at Break	280 %	280 %
	305 % @Treatment Temp. 230 °C, Time 252000 sec	305 % @Treatment Temp. 446 °F, Time 70.0 hour	Air aging test
	456 % @Treatment Temp. 250 °C, Time 252000 sec	456 % @Treatment Temp. 482 °F, Time 70.0 hour	Air aging test
100% Modulus	1.80 MPa @Strain 100 %	261 psi @Strain 100 %
Tear Strength	43.0 kN/m	245 pli	angle type
Compression Set	8.0 % @Temperature 25.0 °C, Time 252000 sec	8.0 % @Temperature 77.0 °F, Time 70.0 hour	P-24 O-ring
	8.0 % @Temperature 50.0 °C, Time 252000 sec	8.0 % @Temperature 122 °F, Time 70.0 hour	P-24 O-ring
	10 % @Temperature 100 °C, Time 252000 sec	10 % @Temperature 212 °F, Time 70.0 hour	P-24 O-ring
	13 % @Temperature 150 °C, Time 252000 sec	13 % @Temperature 302 °F, Time 70.0 hour	P-24 O-ring
	17 % @Temperature 175 °C, Time 252000 sec	17 % @Temperature 347 °F, Time 70.0 hour	P-24 O-ring
	28 % @Temperature 200 °C, Time 252000 sec	28 % @Temperature 392 °F, Time 70.0 hour	P-24 O-ring

Thermal Properties	Metric	English	Comments
Minimum Service Temperature, Air	-27.0 °C	-16.6 °F	Low Temperature Retraction, TR10
	-26.0 °C	-14.8 °F	Gehman Torsion T10
	-21.0 °C	-5.80 °F	Gehman Torsion T2
	-21.0 °C	-5.80 °F	Low Temperature Retraction, TR70
Brittleness Temperature	-30.0 °C	-22.0 °F

Processing Properties	Metric	English	Comments
Cure Time	2.00 min @Temperature 160 °C	0.0333 hour @Temperature 320 °F	Curelastometer, T90
	3.50 min @Temperature 160 °C	0.0583 hour @Temperature 320 °F	MDR, T90

Component Elements Properties	Metric	English	Comments
Fluorine, F	67 %	67 %

Descriptive Properties
Test Formula	1		TAIC
	1		Peroxide
	100		Polymer
	20		N990 Carbon Black

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PDAIJ9964 / 210037

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