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Rulon Bearings

ExxonMobil EXACT™ 8230 Octene-1 Plastomer  (discontinued **)
Categories: Polymer; Thermoplastic; Elastomer, TPE

Material Notes: Information provided by ExxonMobil Chemical

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Physical PropertiesMetricEnglishComments
Density 0.882 g/cc0.0319 lb/in³ExxonMobil Method
Mooney Viscosity 3.4
@Temperature 125 °C
3.4
@Temperature 257 °F
ML (1 + 4); ASTM D1646
Environmental Stress Crack Resistance >= 1000 hour>= 1000 hourASTM D1693
Melt Flow 30 g/10 min
@Load 2.16 kg,
Temperature 190 °C
30 g/10 min
@Load 4.76 lb,
Temperature 374 °F
ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 838315s; ISO 868
Hardness, Shore D 222215s; ISO 868
Tensile Strength at Break 8.0000 MPa1160.3 psiISO 527-2
Elongation at Break 1500 %1500 %
Flexural Modulus 0.02600 GPa3.771 ksiISO 178
Izod Impact, Notched NBNBASTM D256
 NB
@Temperature -40.0 °C
NB
@Temperature -40.0 °F
ASTM D256
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 70.0 J/g30.1 BTU/lbDSC; ASTM D3418
Melting Point 73.00 °C163.4 °FDSC peak melting point; ASTM D3418
Vicat Softening Point 46.00 °C114.8 °Fat 10 N; ISO 306
Brittleness Temperature <= -75.0 °C<= -103 °FASTM D746

**
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