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high consistency rubbers lifesciences generalhealthcare

Premium Care




Ultra-high tear strength


  • Two-part, ultra high properties silicone elastomer
  • Cures with heat via addition-cure chemistry
  • Has a non-tacky surface and no volatile by-products or peroxide residues
  • Strained through a 400-mesh screen (minimum)
  • 1:1 Mix Ratio (Part A: Part B)


  • For a wide variety of fabrication techniques for the healthcare industry including: molding, calendering and extruding
  • For applications requiring high physical properties and fatigue and abrasion resistance

NuSil Technology’s MED-4055 shall not be considered for use in human implantation for a period of greater than 29 days.

Product Details

Property Average result
Durometer 55 Type A
Tensile 1,700 psi
Elongation 900 %
Tear 300 ppi
Appearance Translucent
Cure 10 minutes / 138 °C
Cure Rate Scorch 1 minutes
Cure Rate T90 2.85 minutes
Cure System Platinum
Mix Ratio 1:1
Plasticity 85 mils
Post Cure 4 hours / 177 °C
Special Feature Ultra High Performance High Consistency Rubbers
Specific Gravity 1.14
Stress @ Strain 500 psi / 200 %
Work Time 2.5 hours
Comment Ultra-high tear strength
Display in metric units

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

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