ExxonMobil Optema™ TC 221 Molding Ethylene Methyl Acrylate, Molding Grade

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ExxonMobil Optema™ TC 221 Molding Ethylene Methyl Acrylate, Molding Grade
Categories:	Polymer; Thermoplastic; Ethylene Methyl Acrylate; Ethylene-Methyl Acrylate Copolymer, Molding Grade
Material Notes:	Optema™ TC 221 is an ethylene methyl acrylate copolymer that can be used in specialty bonding applications and as a toughener for engineering polymers. It can be processed at temperatures as low as 200°F (93°C) and as high as 600°F (315°C). Information provided by ExxonMobil.
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Physical Properties	Metric	English	Comments

Density	0.944 g/cc	0.0341 lb/in³	ASTM D1505
Methyl Acrylate Content	24 %	24 %	ExxonMobil Method
Melt Flow	5.0 g/10 min @Load 2.16 kg, Temperature 190 °C	5.0 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	82 @Time 15.0 sec	82 @Time 0.00417 hour	ASTM D2240
Hardness, Shore D	24 @Time 15.0 sec	24 @Time 0.00417 hour	ASTM D2240
Tensile Strength at Break	6.69 MPa	970 psi	ASTM D638
Elongation at Break	>= 600 %	>= 600 %	ASTM D638
Flexural Modulus, 1% Secant	26.9 MPa	3900 psi	ASTM D790
Dart Drop, Total Energy	17.6 J @Temperature 22.8 °C	13.0 ft-lb @Temperature 73.0 °F	Instrumented; ASTM D3763
	23.0 J @Temperature -40.0 °C	17.0 ft-lb @Temperature -40.0 °F	Instrumented; ASTM D3763

Thermal Properties	Metric	English	Comments
Melting Point	72.8 °C	163 °F	Peak; ExxonMobil Method
Vicat Softening Point	45.0 °C	113 °F	ASTM D1525

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PEX98903 / 238285

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