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Rulon Bearings

DuPont Silastic® C7-4550 VAROX Dow-Corning Biomedical Grade ETR Elastomer  (discontinued **)
Categories: Polymer; Thermoplastic; Elastomer, TPE; Silicone, Thermoplastic

Material Notes:

Information provided by Multibase

Former Dow (Multibase) grade.

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Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 5555as molded
 5656post cured- 2 hours at 177°C
 5757post cured- 4 hours at 204°C
Tensile Strength, Ultimate 9.729 MPa1411 psipost cured- 2 hours at 177°C
 10.17 MPa1475 psipost cured- 4 hours at 204°C
 10.91 MPa1582 psias molded
Tensile Strength, Yield 1.55 MPa225 psi200%, post cured- 4 hours at 204°C
 3.07 MPa445 psiat 200%, as molded
 3.17 MPa460 psiat 200%, post cured- 2 hours at 177°C
Elongation at Break 593 %593 %post cured- 2 hours at 177°C
 619 %619 %post cured- 4 hours at 204°C
 693 %693 %as molded
Tear Strength 31.2 kN/m178 plipost cured- 4 hours at 204°C; Die B
 36.3 kN/m207 plias molded; Die B
 37.7 kN/m215 plipost cured- 2 hours at 177°C; Die B

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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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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