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MED-4970

LIQUID SILICONE RUBBER

Description

  • Two-part, translucent silicone system used with injection molding equipment
  • Cures with heat via addition-cure chemistry
  • Rapid cure with no post-cure required
  • 1:1 Mix Ratio (Part A: Part B)

Applications

  • For the injection molding of parts requiring a material with a high durometer including: molded rubber stoppers, gaskets, seals, valves, o-rings and other precision parts
  • Suitable for over-molding applications
  • Can be used with NuSil's Healthcare color masterbatches for applications requiring colored silicones
NuSil Technology's MED-4970 shall not 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 1,325 psi (9.14 MPa)
Elongation 465 %
Tear 240 ppi (42.33 kN/m)
Appearance Translucent
Cure 5 minutes / 165 °C
Cure Rate Scorch 1 minutes
Cure Rate T90 2.2 minutes
Cure System Platinum
Extrusion Rate 40 g/minute
Mix Ratio 1:1
Specific Gravity 1.22
Stress at Strain 825 psi / 200 % (5.69 MPa / 200 %)
Work Time
Comment Injection Molding Elastomer

Encapsulation Technology

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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.