Daikin DAI-EL® G-671 Fluoroelastomer Terpolymer, Bisphenol Curable Grade, 66% Fluorine Content

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Daikin DAI-EL® G-671 Fluoroelastomer Terpolymer, Bisphenol Curable Grade, 66% Fluorine Content
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	DAI-EL® G-671 is a bisphenol cure incorporated terpolymer designed for transfer and compression molding applications. G-671 combines good chemical and solvent resistance with good low temperature properties. Typical Applications: O-rings, gaskets, seals Rheological Properties MDR 2000: Temperature: 190°C Frequency: 100 cpm Strain: 0.5° Test time: 6 min Information provided by Daikin.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.80 g/cc	1.80 g/cc
Mooney Viscosity	35 @Temperature 121 °C	35 @Temperature 250 °F	ML 1+10

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	76	76
Tensile Strength at Break	12.0 MPa	1740 psi
Elongation at Break	130 %	130 %
100% Modulus	9.10 MPa @Strain 100 %	1320 psi @Strain 100 %
Compression Set	11 % @Temperature 175 °C, Time 252000 sec	11 % @Temperature 347 °F, Time 70.0 hour	#214 O-ring; ASTM D395 Method B
	22 % @Temperature 200 °C, Time 252000 sec	22 % @Temperature 392 °F, Time 70.0 hour	#214 O-ring; ASTM D395 Method B

Thermal Properties	Metric	English	Comments
Minimum Service Temperature, Air	-20.0 °C	-4.00 °F	Low Temperature Retraction, TR10
	-14.7 °C	5.54 °F	Gehman Torsion T10; ASTM 1053-92A
	-10.0 °C	14.0 °F	Low Temperature Retraction, TR70
	-9.00 °C	15.8 °F	Gehman Torsion T2; ASTM 1053-92A
Brittleness Temperature	-23.0 °C	-9.40 °F	Embrittlement

Processing Properties	Metric	English	Comments
Cure Time	0.600 min	0.0100 hour	ts2, scorch time
	0.800 min	0.0133 hour	t'50, time to 50% cure
	1.00 min	0.0167 hour	t'90, time to 90% cure
	10.0 min @Temperature 190 °C	0.167 hour @Temperature 374 °F	Press Cure
	1440 min @Temperature 232 °C	24.0 hour @Temperature 450 °F	Post cure

Component Elements Properties	Metric	English	Comments
Fluorine, F	66 %	66 %

Descriptive Properties
Color	Milky white to light pink sheet
MH	23.5 dNm		maximum torque
ML	1.9 dNm		minimum torque
Test Formula	100 phr		DAI-EL® G-671
	3 phr		Magnesium oxide
	30 phr		MT Carbon Black (N-990)
	6 phr		Calcium hydroxide

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PDAIJ9852 / 209923

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