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MED-4128

HIGH CONSISTENCY SILICONE ELASTOMER

Description

  • Uncatalyzed, vinyl-functional, high consistency silicone elastomer
  • Requires the addition of a peroxide catalyst to accomplish vulcanization
  • Low tack surface
  • Strained through a 400-mesh screen (minimum)

Applications

  • For a wide variety of fabrication techniques for the healthcare industry including: molding, calendering and extruding of parts
  • Ideal for applications requiring a material with a low durometer, including: gaskets, seals, molded balloons, and catheter tips
NuSil Technology’s MED-4128 shall not be considered for use in human implantation for a period of greater than 29 days.

Product Details

Property Average Result
Durometer 25 Type A
Tensile 1,010 psi (6.97 MPa)
Elongation 800 %
Tear 70 ppi (12.35 kN/m)
Appearance Translucent
Cure 10 minutes / 116 °C
Cure Rate Scorch 0.55 minutes
Cure Rate T90 1.65 minutes
Cure System Peroxide
Mix Ratio 1 PART
Plasticity
Post Cure 2 hours / 200 °C
Specific Gravity 1.11
Stress at Strain 90 psi / 200 % (0.62 MPa / 200 %)
Comment Low Tension Set, Uncatalyzed

The Strongest Silicone Elastomer Ever Developed

Dr. Jim Lambert, NuSil® Director of Research and Development, Biomaterials, introduces our breakthrough material that has a tensile strength of up to 50% greater than existing silicone elastomers on the market.

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The test data shown for this material is the average value for typical properties. All of these properties may not be tested on a lot to lot basis and cannot be used to draft specifications. Please contact NuSil for assistance and recommendations in establishing limits for product specifications.