Your document can be opened using the below link


Thank you, please click link below to continue

high consistency rubbers lifesciences medicalimplant






  • Two-part, high consistency 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-4770 may be considered for use in human implantation for a period of greater than 29 days.

Product Details

Property Average result
Durometer 70 Type A
Tensile 1,415 psi
Elongation 760 %
Tear 300 ppi
Appearance Translucent
Cure 10 minutes / 138 °C
Cure System Platinum
Mix Ratio 1:1
Plasticity 120 mils
Post Cure 4 hours / 177 °C
Special Feature Ultra High Performance High Consistency Elastomers
Specific Gravity 1.19
Stress @ Strain 595 psi / 200 %
Work Time 2.5 hours
Comment Abrasion / Fatigue Resistant
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.

What is Medical Grade?

Discover how Medical-grade silicones are specifically designed, manufactured and purified to meet the strictest needs of the healthcare industry.

Read More