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  • Two-part, translucent, pourable silicone elastomer
  • Offers high tear strength and excellent physical properties
  • Cures with heat via addition-cure chemistry
  • 10:1 Mix Ratio (Part A: Part B)


  • For use in potting, encapsulating, coating, and injection or transfer molding applications

Product Details

Property Average Result
Durometer 40 Type A
Viscosity 73,400 cP (73,400 mPa*s)
Work Time 5 hours
Tensile 875 psi (6.03 MPa)
Appearance Translucent
Cure 5 minutes / 177 °C
Cure System Platinum
Elongation 360 %
Mix Ratio 10:1
Post Cure 1 minute / 150 °C
Specific Gravity 1.09
Stress at Strain 480 psi / 200 % (3.31 MPa / 200 %)
Tear 150 ppi (26.46 kN/m)
Comment Flowable, Medium Durometer

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.