Class VI Line




  • A two-part, high consistency elastomer designed for optimal performance in a wide range of applications
  • Produces a tough, durable, translucent elastomer when thermally cured
  • Has a non-tacky surface and no volatile byproducts or peroxide residues
  • Advantages include: lot-to-lot consistency and cost-effectiveness
  • 1:1 Mix Ratio (Part A:B)


  • For a wide variety of fabrication techniques for the healthcare industry including: molding, calendering and extruding
  • Can be used with NuSil’s Healthcare color masterbatches for applications requiring colored silicones

Product Details

Property Average Result
Durometer 21 Type A
Tensile 1,620 psi (11.17 MPa)
Elongation 1185 %
Tear 195 ppi (34.39 kN/m)
Appearance Translucent
Cure 15 minutes / 165 °C
Cure Rate Scorch 0.15 minutes
Cure Rate T10 0.13 minutes
Cure Rate T90 0.29 minutes
Cure System Platinum
Mix Ratio 1:1
Specific Gravity 1.11
Stress at Strain 65 psi / 200 % (0.45 MPa / 200 %)
Work Time 8 hours
Comment Designed For High Volume Extrusion Or Molding

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.