Daikin DAI-EL® G-EXP-004 Fluoroelastomer Copolymer, 66% Fluorine Content

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Daikin DAI-EL® G-EXP-004 Fluoroelastomer Copolymer, 66% Fluorine Content
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	DAI-EL® G-EXP-004 is a cure incorporated copolymer with medium Mooney viscosity. It is designed for transfer or compression molding of seals and other complex parts where high elongation is required for ease of demolding. DAI-EL® G-EXP-004 may be used in compliance with 21 CFR 177.2600, Rubber articles intended for repeated use. Finished articles are required to comply with the end tests specified in 21 CFR 177.2600 (e) or (f), as applicable. Typical Applications: Seals, complex shapes and 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	42 @Temperature 121 °C	ML 1+10

Mechanical Properties	Original Value	Comments
Hardness, Shore A	80
Tensile Strength at Break	12.3 MPa
Elongation at Break	250 %
100% Modulus	3.90 MPa @Strain 100 %
Compression Set	13 % @Temperature 175 °C, Time 252000 sec	#214 O-ring; ASTM D395 Method B
	19 % @Temperature 200 °C, Time 252000 sec	#214 O-ring; 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	1.20 min	ts2, scorch time
	1.50 min	t'50, time to 50% cure
	2.20 min	t'90, time to 90% cure
	10.0 min @Temperature 177 °C	Press Cure
	24.0 hour @Temperature 232 °C	Post Cure

Compliance Properties	Original Value	Comments
FDA	Yes	See notes for details.

Component Elements Properties	Original Value	Comments
Fluorine, F	66 %

Descriptive Properties
Color	White to cream
MH	15.6 dNm	maximum torque
ML	1.5 dNm	minimum torque
Test Formula	100 phr	DAI-EL® G-EXP-004
	3 phr	Magnesium oxide
	30 phr	MT Carbon Black (N-990)
	6 phr	Calcium hydroxide

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PDAIJ9801 / 209872

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