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Platinum Cure

Low Consistency Silicone Elastomer

  • A two-part, low viscosity, translucent silicone elastomer
  • Cures at room temperature. Cure rate may be accelerated with heat
  • Platinum addition cure
  • 1:1 Mix Ratio (Part A: Part B)
  • For use in potting, encapsulating, coating, and injection or transfer molding applications
Additional information for Fast-Cure Silicones for Short-Term Implants: Fast-Cure Silicones for Short-Term Implants PDF Healthcare PDF tear sheet

NuSil Technology's MED4-4220 shall not be considered for use in human implantation for a period of greater than 29 days.

Typical PropertiesAverage Result
Viscosity, Part A25,000 cP (25,000 mPas)
Viscosity, Part B19,000 cP (19,000 mPas)
Work Time27 minutes
Cured: 15 minutes at 150°C (302°F)
Durometer, Type A17
Tensile Strength660 psi (4.5 MPa)
Tear Strength35 ppi (6.2 kN/m)
Tissue Culture (Cytotoxicity Testing)Pass
Elemental Analysis of Trace MetalsPass

These properties tested on a lot-to-lot basis. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer MED1-161

Note: Some bonding applications may require the use of a primer.


50 mL Side-by-Side Kit
400 mL Side-by-Side Kit
2 Pint Kit (910 g)
2 Gallon Kit (7.28 kg)


12 Months

Product Profile - Full Details Product Profile
Safety Data Sheet Material Safety Data Sheet
Example packaging
Example packaging


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