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High strength, flexible, silicone potting, encapsulating and moldmaking rubber.



SILASTIC™ RTV-4130-J Kit is suited for prototype design, production tooling, molds used to reproduce art objects, novelties and furniture components in urethane and other plastics



  • Outstanding release properties
  • High durometer hardness
  • Very low shrinkage and good dimensional stability
  • Good cut-growth resistance
  • Can be used for high temperature casting applications
  • Room temperature cure within 24 hours
  • Heat-accelerable cure

SILASTIC™ RTV-4130-J Curing Agent

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