Daikin DAI-EL® G-551 Fluoroelastomer Terpolymer, 69% Fluorine Content

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Daikin DAI-EL® G-551 Fluoroelastomer Terpolymer, 69% Fluorine Content
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	DAI-EL® G-551 is a cure-incorporated terpolymer designed for transfer and compression molding. It offers a balance of fluid resistance and low temperature flexibility. Typical Applications: Gaskets, oil seals, diaphragms Rheological Properties: 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	1.84 g/cc	1.84 g/cc
Mooney Viscosity	48 @Temperature 121 °C	48 @Temperature 250 °F	ML 1+10

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	80	80
Tensile Strength at Break	15.3 MPa	2220 psi
Elongation at Break	220 %	220 %
100% Modulus	6.60 MPa @Strain 100 %	957 psi @Strain 100 %
Compression Set	21 % @Temperature 175 °C, Time 252000 sec	21 % @Temperature 347 °F, Time 70.0 hour	#214 O-ring; ASTM D395 Method B
	28 % @Temperature 200 °C, Time 252000 sec	28 % @Temperature 392 °F, Time 70.0 hour	#214 O-ring; ASTM D395 Method B

Thermal Properties	Metric	English	Comments
Minimum Service Temperature, Air	-14.0 °C	6.80 °F	Low Temperature Retraction, TR10
	-12.0 °C	10.4 °F	Gehman Torsion T10; ASTM 1053-92A
	-8.00 °C	17.6 °F	Low Temperature Retraction, TR70
	-7.00 °C	19.4 °F	Gehman Torsion T2; ASTM 1053-92A
Brittleness Temperature	-21.0 °C	-5.80 °F	Embrittlement

Processing Properties	Metric	English	Comments
Cure Time	0.700 min	0.0117 hour	ts2, scorch time
	0.900 min	0.0150 hour	t'50, time to 50% cure
	1.30 min	0.0217 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	69 %	69 %

Descriptive Properties
Color	White to light yellow mass
MH	23.3 dNm		maximum torque
ML	1.8 dNm		minimum torque
Test Formula	100 phr		DAI-EL® G-551
	3 phr		Magnesium oxide
	30 phr		MT Carbon Black (N-990)
	6 phr		Calcium hydroxide

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PDAIJ9846 / 209917

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