Celanese Vamac® GLS Ethylene Methacrylate (AEM)

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Celanese Vamac® GLS Ethylene Methacrylate (AEM)
Categories:	Polymer; Thermoplastic; Ethylene Methyl Acrylate
Material Notes:	Vamac® GLS is a terpolymer of ethylene, methylacrylate, and a cure site monomer cured using an diamine-based vulcanization system. Compared with Vamac® G, Vamac® GLS offers significantly improved resistance to oil swell and chemicals such as diesel fuel. Vamac® GLS elastomer contains a small amount of processing aid. Storage stability is excellent. Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Metric	English	Comments

Density	1.03 g/cc	0.0372 lb/in³	ISO 1183
Volatiles	<= 0.40 %	<= 0.40 %	EN 1400 / EN 14350-2
Mooney Viscosity	18.5 @Temperature 100 °C	18.5 @Temperature 212 °F	ML 1+4; ISO 289-1-2
	40 @Temperature 100 °C	40 @Temperature 212 °F	ML 1+4, Compound; ISO 289-1-2

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	68	68	ASTM D 2240
Tensile Stress at Strain	6.40 MPa @Strain 100 %	928 psi @Strain 100 %	ISO 527-1/-2
Tear Strength	34.0 kN/m	194 pli	parallel; ISO 34-1
Compression Set	20 % @Temperature 150 °C, Time 252000 sec	20 % @Temperature 302 °F, Time 70.0 hour	ISO 815
	28 % @Temperature 150 °C, Time 605000 sec	28 % @Temperature 302 °F, Time 168 hour	ASTM D 395B

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	175 °C	347 °F	DuPont proprietary test

Processing Properties	Metric	English	Comments
Processing Temperature	175 °C @Time 14400 sec	347 °F @Time 4.00 hour
Cure Time	5.00 min @Temperature 175 °C	0.0833 hour @Temperature 347 °F

Descriptive Properties
Color	clear to light yellow translucent
Part Marking Code	>AEM<		ISO 11469
Polymer	(AEM)
Resin Identification	AEM		ISO 1043
Scorch, Mooney viscosity	> 15		MS at 121°C; ISO 289-1-2
Scorch, time to 10 unit rise	10		MS at 121°C; ISO 289-1-2

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PDSX4609 / 265819

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