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Elmet Technologies

NuSil MED-4035 Silicone, Two Part High Consistency Elastomer - Restricted Medical Use
Categories: Polymer; Thermoset; Silicone; Silicone Rubber

Material Notes: Description: High consistency rubber, or HCR, consists of high molecular weight polymer combined with silica to produce a material that can be molded, extruded, or calendared into a useful end product. An HCR has the consistency of clay and is primarily formulated in a one or two part system (peroxide and platinum catalysts respectively).

Important Properties: Most platinum cure high consistency rubbers are two component systems with an easy-to-work-with 1:1 mix ratio. Features of platinum cure high consistency rubbers include the following:

  • Two part (typically)
  • Heat accelerated
  • No byproducts
  • Post cure optional
  • Low percent shrinkage
Comments: High Tear

Cure System: Platinum

Information provided by NuSil

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.11 g/cc1.11 g/cc
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 3535Typical
 30 - 4030 - 40Certified
Tensile Strength at Break 6.20 MPa899 psiCertified
 10.3 MPa1490 psiTypical
Tensile Stress at Strain 1.38 MPa
@Strain 200 %
200 psi
@Strain 200 %
Elongation at Break 800 %800 %Certified
 1000 %1000 %Typical
Tear Strength 5.36 kN/m30.6 pliCertified
 6.19 kN/m35.3 pliTypical
 
Processing PropertiesMetricEnglishComments
Cure Time 10.0 min
@Temperature 116 °C
0.167 hour
@Temperature 241 °F
Working Life 120 min
@Temperature 25.0 °C
120 min
@Temperature 77.0 °F
 
Descriptive Properties
Mix Ratio1:1
Plasticity75 mils

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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PNUSIL407 / 142131

Ensinger PEI

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