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Rulon Bearings

Dow Engage® 8540 Polyolefin Elastomer
Categories: Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Elastomer, Melt-Processible Rubber
Material Notes: Description: Engage® 8540 polyolefin elastomer is an ethyleneoctene copolymer that is well suited to foamed applications and offers excellent performance for profile extrusion of tubing and hoses. It has good clarity, toughness, and flexibility. Engage® 8540 also has excellent compatibility with other polyolefins, allowing for efficient blending and coextrusion. The product form is free-flowing pellets.

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Physical PropertiesMetricEnglishComments
Density 0.908 g/cc0.0328 lb/in³ASTM D792
Melt Index of Compound 1.0 g/10 min
@Load 2.16 kg,
Temperature 190 °C		1.0 g/10 min
@Load 4.76 lb,
Temperature 374 °F		ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 9696ASTM D2240
Hardness, Shore D 4949ASTM D2240
Tensile Strength, Ultimate 28.9 MPa4190 psi508 mm/min; ASTM D638
Tensile Strength, Yield 8.30 MPa1200 psi508 mm/min; ASTM D638
Elongation at Break 710 %710 %508 mm/min; ASTM D638
2% Secant Modulus 0.104 GPa15.1 ksiASTM D790
 
Thermal PropertiesMetricEnglishComments
Melting Point 103 °C217 °FDSC, 10°C/min; DuPont Test
 
Descriptive Properties
Comonomer Content17 wt%Dow Method (13C NMR/FTIR)

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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