Daikin DAI-EL® G-741-A Fluoroelastomer Copolymer, 66% Fluorine Content

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Daikin DAI-EL® G-741-A Fluoroelastomer Copolymer, 66% Fluorine Content
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	DAI-EL® G-741-A is a cure-incorporated copolymer with medium Mooney viscosity. It has excellent mold flow compared with fluoroelastomers of similar Mooney viscosity, making it well suited for injection, transfer or compression molding. Properly compounded and cured, DAI-EL® G-741-A produces seals and other parts with excellent heat and compression set resistance. Typical Applications: Shaft seals, gaskets, molded tubing Rheological Properties MDR 2000: Temperature: 177°C Frequency: 100 cpm Strain: 0.5° Test time: 6 min Information provided by Daikin.
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Physical Properties	Original Value	Comments

Specific Gravity	1.81 g/cc
Mooney Viscosity	40 @Temperature 121 °C	ML 1+10

Mechanical Properties	Original Value	Comments
Hardness, Shore A	75
Tensile Strength at Break	17.5 MPa
Elongation at Break	200 %
100% Modulus	6.90 MPa @Strain 100 %
Compression Set	9.0 % @Temperature 200 °C, Time 252000 sec	#214 O-ring, MDR 2000; ASTM D395 Method B

Thermal Properties	Original Value	Comments
Minimum Service Temperature, Air	-18.0 °C	Low Temperature Retraction; ASTM D1329

Processing Properties	Original Value	Comments
Cure Time	1.60 min	ts2, scorch time, MDR 2000
	3.20 min	t'90, time to 90% cure, MDR 2000
	10.0 min @Temperature 177 °C	Press Cure, MDR 2000
	24.0 hour @Temperature 232 °C	Post Cure, MDR 2000

Component Elements Properties	Original Value	Comments
Fluorine, F	66 %

Descriptive Properties
Color	White to cream
MH	24.7 dNm	maximum torque, MDR 2000
ML	1.4 dNm	minimum torque, MDR 2000
Test Formula	100 phr	DAI-EL® G-741-A
	3 phr	Magnesium oxide
	30 phr	MT Carbon Black (N-990)
	6 phr	Calcium hydroxide

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PDAIJ9822 / 209893

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