
Information
ENGAGE™ 8440
Polyolefin Elastomer
Page:1of 2®™Trademark of The Dow Chemical Company (“Dow”)or an affiliated company of Dow.
Form No.400-00030968en
Rev:2008-10-06
Overview
ENGAGE™8440Polyolefin Elastomer is an ethylene-octene copolymer that performs well in a wide range of thermoplastic elastomer applications.It is an excellent thermoplastic elastomer for blending and compounding.
Main Characteristics:•Pellet form
Applications:
•Thermoplastic elastomers •Compounding
Physical Nominal Value (English)
Nominal Value (SI)
Test Method Density
0.7g/cm³0.7g/cm³ASTM D792Melt Index (190°C/2.16kg)
1.6g/10min 1.6g/10min ASTM D1238Mooney Viscosity (ML 1+4,250°F (121°C))13MU
13MU
ASTM D16Mechanical
Nominal Value (English)
Nominal Value (SI)
Test Method Tensile Modulus -100%
Secant (Compression Molded)
914psi 6.30MPa ASTM D638 1Tensile Strength (Break,Compression Molded)2960psi 20.4MPa ASTM D638 1Tensile Elongation
ASTM D638 1Break,Compression Molded 690%690%
Flexural Modulus
ASTM D7901%Secant:Compression Molded 7860psi 54.2MPa 2%Secant:Compression Molded 7880psi
54.3MPa
Elastomers Nominal Value (English)
Nominal Value (SI)
Test Method Tear Strength 451lbf/in
78.9kN/m
ASTM D624 2Hardness
Nominal Value (English)
Nominal Value (SI)
Test Method Durometer Hardness
ASTM D2240Shore A,1sec,Compression Molded 86 86 Shore D,1sec,Compression Molded 36
36
Thermal
Nominal Value (English)
Nominal Value (SI)
Test Method Glass Transition Temperature (DSC)-27.4°F -33.0°C Dow Method Vicat Softening Temperature 167°F 75.0°C ASTM D1525Melting Temperature (DSC)
199°F 93.0°C Dow Method 3Peak Crystallization Temperature (DSC)
169°F
76.0°C
Dow Method
Notes
These are typical properties only and are not to be construed as specifications.Users should confirm results by their own tests.1 20in/min (510mm/min)2 Die C 3
10°C/min
Rev:2008-10-06
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exceeds72continuous hours;
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include,but are not limited to,pacemaker leads and devices,artificial hearts,heart valves,intra-aortic balloons and control systems,and ventricular bypass-assisted devices);
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Additional Information North America Europe/Middle East+800-3694-6367 U.S.&Canada:1-800-441-4369+32-3-450-2240
1-9-832-1426Italy:+800-783-825 Mexico:+1-800-441-4369
Latin America South Africa+800-99-5078 Argentina:+54-11-4319-0100
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Colombia:+57-1-219-6000Asia Pacific+800-7776-7776 Mexico:+52-55-5201-4700+603-7965-5392
www.dowplastics.com This document is intended for use within Asia Pacific,Europe,Latin America,North America
Published:1998-04-30
©2010The Dow Chemical Company
