Optema™ TC 221 ExCo
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Ethylene Methyl Acrylate Copolymer Resin

Product Description
Optema™ TC 221 is an ethylene methyl acrylate copolymer that can be used for making alloys, blends and compounds. It can also be injection molded where softness and flexibility are required. It is an excellent grade for coextrusion coating and extrusion lamination where good interlayer adhesion between poylethylene, polypropylene, nylon, PVdC, or other substrates is required.
 
General 
Availability 1 
  • Latin America
  • North America
 
Additive 
  • Antiblock: No
  • Slip: No
  • Thermal Stabilizer: Yes
Applications 
  • Coextrusion Coating
  • Demanding Heat Seals
  • Extrusion Coating
  • Extrusion Lamination
  • Food Packaging
  • Industrial Packaging
  • Low Neck In, Low Line Speed Coatings
  • Masterbatch Base Resin
  • Thermal Lamination
Revision Date 
  • 01/22/2019
 
Resin Properties
Typical Value
Unit
Test Based On
Density
0.944
g/cm³
ASTM D1505
Melt Index (190°C/2.16 kg)
5.0
g/10 min
ASTM D1238
Methyl Acrylate Content
24.0
wt%
ExxonMobil Method
Peak Melting Temperature
164
°F
ExxonMobil Method
 
Thermal
Typical Value
Unit
Test Based On
Vicat Softening Temperature
114
°F
ASTM D1525
 
Coating Properties
Typical Value
Unit
Test Based On
Neck-in
  ExxonMobil Method
328 ft/min, Constant output at 35 rpm, 563°F
5.5
in
 
656 ft/min, Constant output at 35 rpm, 563°F
4.2
in
 
 
Legal Statement
Contact your ExxonMobil Chemical Customer Service Representative for potential food contact application compliance (e.g. FDA, EU, HPFB).

This product is not intended for use in medical applications and should not be used in any such applications.
 
Processing Statement
Typical values obtained on a pilot coextrusion coating line at ExxonMobil Europe Technical Center at an air gap of 170 mm (6.69 in). Excellent results are obtained in extrusion coating at 260°C to 300°C (500°F - 572°F) temperature range. Processing temperatures above 320°C (608°F) are not recommended. Optema™ EMA resin can be processed on conventional extrusion equipment designed for extrusion coating LDPE. The broad thermal stability range offers a wide processing conditions window. Water cooling of extruder throat is preferred to avoid hopper bridging.
 
Notes
1Product may not be available in one or more countries in the identified Availability regions. Please contact your Sales Representative for complete Country Availability.
 
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Worldwide and the Americas
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Europe, Middle East and Africa
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Typical properties: these are not to be construed as specifications.

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