Celanese Vamac® DP HVA-2 Coagent Test Compound

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Celanese Vamac® DP HVA-2 Coagent Test Compound
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Vamac® DP is an ethylene acrylic dipolymer elastomer. Its general performance characteristics are similar to those of the Vamac® terpolymers, including: Good oil and chemical resistance High temperature resistance Good compression set resistance Good low temperature flexibility Unlike Vamac® terpolymers, Vamac® DP dipolymer can be processed without a post cure. Form: Bale size is nominally: 560 mm x 370 mm by 165 mm Information provided by DuPont. Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Original Value	Comments

Mooney Viscosity	45.7 @Temperature 100 °C	ML(1+4), mu

Mechanical Properties	Original Value	Comments
Hardness, Shore A	65	Cecilia 20 aged 168 hrs at 175°C
	73	Press-cured 5 minutes at 190°C
	82	Heat aged 2 weeks at 175°C
Tensile Strength, Ultimate	12.2 MPa	Cecilia 20 aged 168 hrs at 175°C
	13.0 MPa	Heat aged 2 weeks at 175°C
	14.5 MPa	Press-cured 5 minutes at 190°C
Elongation at Break	182 %	Heat aged 2 weeks at 175°C
	194 %	Cecilia 20 aged 168 hrs at 175°C
	208 %	Press-cured 5 minutes at 190°C
100% Modulus	0.00620 GPa @Strain 100 %	Cecilia 20 aged 168 hrs at 175°C
	0.00680 GPa @Strain 100 %	Press-cured 5 minutes at 190°C
	0.00880 GPa @Strain 100 %	Heat aged 2 weeks at 175°C
Tear Strength	6.30 kN/m	Trouser, Press-cured 5 minutes at 190°C; DIN 53507
	23.0 kN/m	Press-cured 5 minutes at 190°C; ISO 34
Compression Set	25 % @Temperature 150 °C, Time 252000 sec
	77 % @Temperature 150 °C, Time 79200 sec	VW PV 3307

Thermal Properties	Original Value	Comments
Glass Transition Temp, Tg	-31.7 °C	By DSC

Descriptive Properties
Armeen® 18D	0.5 phr
Bisoflex T810T	5 phr
Change in Volume	13 %	Cecilia 20 aged 168 hrs at 175°C
Change in Weight	9 %	Cecilia 20 aged 168 hrs at 175°C
HVA® #2 coagent	2 phr
Mooney Scorch at 121°C, t5	10.9 metric minutes	Time for 5 unit rise
Naugard® 445 antioxidant	1 phr
Perkadox 14/40	5 phr
Stearic Acid	1.5 phr
Sterling SO-N550 black	65 phr
Vamac® DP	100 phr

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PDUPM138 / 33805

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