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Rulon Bearings

Dow Engage® 8107 Polyolefin Elastomer
Categories: Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Elastomer, Melt-Processible Rubber

Material Notes: Description: Engage® 8107 polyolefin elastomer is a loose talc surface coated ethylene-octene copolymer. The talc is untreated and has a nominal 1µm particle size. This product offers the exceptional properties of Engage® 8100 with the added potential of handling these polymer pellets in rail cars. Engage® 8107 has excellent flow characteristics and performs well in a wide range of general purpose thermoplastic applications. It provides good impact properties in blends with polypropylene (PP) and polyethylene (PE). The talc addition significantly improves ability to handle the polymer, but severe blocking can occur if the material is stored under severe conditions (i.e., long duration, elevated temperatures, and/or high weight loadings). To minimize temperature effects, product should be stored at temperatures well below its melting point of 60°C.

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Physical PropertiesMetricEnglishComments
Density 0.870 g/cc0.0314 lb/in³ASTM D792
Mooney Viscosity 23
@Temperature 121 °C
23
@Temperature 250 °F
ML 1 + 4; ASTM D1646
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 7575ASTM D2240
Hardness, Shore D 2222ASTM D2240
Tensile Strength, Ultimate 10.3 MPa1490 psi508 mm/min; ASTM D638
Tensile Strength, Yield 2.10 MPa305 psi508 mm/min; ASTM D638
Elongation at Break 820 %820 %508 mm/min; ASTM D638
2% Secant Modulus 0.0136 GPa1.97 ksiASTM D790
 
Thermal PropertiesMetricEnglishComments
Melting Point 60.0 °C140 °FDSC, 10°C/min; DuPont Test
Vicat Softening Point 39.0 °C102 °FASTM D1525
Brittleness Temperature <= -76.0 °C<= -105 °FASTM D746
 
Descriptive Properties
Comonomer Content38 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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