Daikin DAI-EL® LT-303L Fluoroelastomer Terpolymer, 65% Fluorine Content

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Daikin DAI-EL® LT-303L Fluoroelastomer Terpolymer, 65% Fluorine Content
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	DAI-EL® LT-303L is a terpolymer suitable for various peroxide cure systems. LT-303L can be formulated to eliminate the post cure process. LT-303L is designed for injection molding applications that require good low temperature flexibility and high elongation. Typical Applications: O-Rings, gaskets, seals Rheological Properties: 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	1.79 g/cc
Mooney Viscosity	14 @Temperature 121 °C	ML 1+10

Mechanical Properties	Original Value	Comments
Hardness, Shore A	71
Tensile Strength at Break	20.1 MPa
Elongation at Break	250 %
100% Modulus	4.40 MPa @Strain 100 %
Compression Set	14 % @Temperature 175 °C, Time 252000 sec	#214 O-ring; ASTM D395 Method B
	27 % @Temperature 200 °C, Time 252000 sec	#214 O-ring; ASTM D395 Method B

Thermal Properties	Original Value	Comments
Minimum Service Temperature, Air	-32.0 °C	Low Temperature Retraction, TR10

Processing Properties	Original Value	Comments
Cure Time	0.400 min	ts2, scorch time, MDR 2000
	0.500 min	t'50, time to 50% cure, MDR 2000
	0.700 min	t'90, time to 90% cure, MDR 2000
	4.00 hour @Temperature 200 °C	Post cure
	10.0 min @Temperature 177 °C	Press Cure

Component Elements Properties	Original Value	Comments
Fluorine, F	65 %

Descriptive Properties
Color	White to light pink
MH	27.8 dNm	maximum torque, MDR 2000
ML	0.2 dNm	minimum torque, MDR 2000
Test Formula	100 phr	DAI-EL® LT-303L
	3 phr	Peroxide (50% Activity)
	3 phr	Zinc Oxide
	30 phr	MT Carbon Black (N-990)
	4 phr	TAIC (72% Activity)

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PDAIJ9865 / 209936

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