Daikin DAI-EL® G-7400BP Fluoroelastomer Copolymer, Bisphenol Curable Grade, 66% Fluorine Content

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Daikin DAI-EL® G-7400BP Fluoroelastomer Copolymer, Bisphenol Curable Grade, 66% Fluorine Content
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	DAI-EL® G-7400BP is a bisphenol curable, gum copolymer. It has excellent mold flow compared with other fluoroelastomers of medium Mooney viscosity, making it well suited for compression, transfer or injection molding. Properly compounded, DAI-EL® G-7400BP produces vulcanizates with excellent heat and compression set resistance. Typical Applications: O-rings, shaft seals, gaskets, molded tubing Rheological Properties MDR 2000: Temperature: 177°C Frequency: 100 cpm Strain: 0.5° Test time: 6 min Rheological Properties ODR: Temperature: 177°C Frequency: 100 cpm Strain: 3 ° Test time: 12 min Information provided by Daikin.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.81 g/cc	1.81 g/cc
Mooney Viscosity	46 @Temperature 121 °C	46 @Temperature 250 °F	ML 1+10

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	75	75	MDR 2000
	75	75	ODR
Tensile Strength at Break	12.7 MPa	1840 psi	MDR 2000
	13.3 MPa	1930 psi	ODR
Elongation at Break	200 %	200 %	ODR
	210 %	210 %	MDR 2000
100% Modulus	5.70 MPa @Strain 100 %	827 psi @Strain 100 %	MDR 2000
	6.00 MPa @Strain 100 %	870 psi @Strain 100 %	ODR
Compression Set	15 % @Temperature 200 °C, Time 252000 sec	15 % @Temperature 392 °F, Time 70.0 hour	#214 O-ring, MDR 2000; ASTM D395 Method B
	18 % @Temperature 200 °C, Time 252000 sec	18 % @Temperature 392 °F, Time 70.0 hour	#214 O-ring, ODR; ASTM D395 Method B

Thermal Properties	Metric	English	Comments
Minimum Service Temperature, Air	-18.0 °C	-0.400 °F	Low Temperature Retraction; ASTM D1329

Processing Properties	Metric	English	Comments
Cure Time	0.900 min	0.0150 hour	ts2, scorch time, MDR 2000
	1.20 min	0.0200 hour	t'50, time to 50% cure, MDR 2000
	1.60 min	0.0267 hour	t'90, time to 90% cure, MDR 2000
	1.60 min	0.0267 hour	ts2, scorch time, ODR
	2.60 min	0.0433 hour	t'50, time to 50% cure, ODR
	2.90 min	0.0483 hour	t'90, time to 90% cure, ODR
	5.00 min @Temperature 177 °C	0.0833 hour @Temperature 351 °F	Press Cure, ODR
	10.0 min @Temperature 177 °C	0.167 hour @Temperature 351 °F	Press Cure, MDR 2000
	1440 min @Temperature 232 °C	24.0 hour @Temperature 450 °F	Post Cure, MDR 2000
	1440 min @Temperature 260 °C	24.0 hour @Temperature 500 °F	Post Cure, ODR

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

Descriptive Properties
Color	White to pale brown
MH	122 dNm		maximum torque, ODR
	25.2 dNm		maximum torque, MDR 2000
ML	1.2 dNm		minimum torque, MDR 2000
	12 dNm		minimum torque, ODR
Test Formula	0.5 phr		Phosphonium accelerator
	100 phr		DAI-EL® G-7400BP
	2 phr		Bisphenol AF
	3 phr		Magnesium oxide
	30 phr		MT Carbon Black (N-990)
	6 phr		Calcium hydroxide

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PDAIJ9837 / 209908

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