Daikin DAI-EL® G-558 Fluoroelastomer Terpolymer, Bisphenol Curable Grade, 69% Fluorine Content

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Daikin DAI-EL® G-558 Fluoroelastomer Terpolymer, Bisphenol Curable Grade, 69% Fluorine Content
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	DAI-EL® G-558 is a bisphenol cure incorporated terpolymer designed for extrusion applications requiring moderate fuel resistance. Typical Applications: Hoses, tubes 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	Original Value	Comments

Specific Gravity	1.87 g/cc
Mooney Viscosity	34 @Temperature 121 °C	ML 1+10

Mechanical Properties	Original Value	Comments
Hardness, Shore A	74
	73 @Treatment Temp. 250 °C, Time 252000 sec	Air-oven Aging
Tensile Strength at Break	11.7 MPa
	8.99 MPa @Treatment Temp. 250 °C, Time 252000 sec	Air-oven Aging
Elongation at Break	270 %
	308 % @Treatment Temp. 250 °C, Time 252000 sec	Air-oven Aging
100% Modulus	4.10 MPa @Strain 100 %
Compression Set	23 % @Temperature 175 °C, Time 252000 sec	#214 O-ring; ASTM D395 Method B
	29 % @Temperature 200 °C, Time 252000 sec	#214 O-ring; ASTM D395 Method B

Thermal Properties	Original Value	Comments
Minimum Service Temperature, Air	-14.0 °C	Low Temperature Retraction, TR10
	-13.5 °C	Gehman Torsion T10; ASTM 1053-92A
	-8.00 °C	Low Temperature Retraction, TR70
	-4.00 °C	Gehman Torsion T2; ASTM 1053-92A
Brittleness Temperature	-26.0 °C	Embrittlement

Processing Properties	Original Value	Comments
Cure Time	0.600 min	ts2, scorch time
	0.800 min	t'50, time to 50% cure
	1.80 min	t'90, time to 90% cure
	10.0 min @Temperature 190 °C	Press Cure
	24.0 hour @Temperature 232 °C	Post cure

Component Elements Properties	Original Value	Comments
Fluorine, F	69 %

Descriptive Properties
Color	Milky White Sheet
MH	12.3 dNm	maximum torque
ML	2.4 dNm	minimum torque
Test Formula	100 phr	DAI-EL® G-558
	3 phr	Magnesium oxide
	30 phr	MT Carbon Black (N-990)
	6 phr	Calcium hydroxide

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PDAIJ9847 / 209918

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