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SILASTIC™ MS-4002 Moldable Silicone

Fast heat curing optical molding resin for producing optical parts with good resistance to environmental ageing.

SILASTIC™ MS-4002 Moldable Silicone

Features of SILASTIC™ MS-4002 Moldable Silicone

  • Two-part 1:1 mixing ratio
  • Lighter than glass
  • High luminous transmittance
  • Low chromatic dispersion
  • Low haze and scatter
  • Better heat and intrinsic UV resistance than optical grade plastics
  • Less yellowing than plastics
  • Low pressure liquid injection molding
  • Excellent surface feature replication
  • Easily molded into complex shapes optics
  • High hardness
  • Slick, plastic-like surface feel
  • Designed for TIR lenses and light pipes with longer light path lengths
  • UL 94, UL 746A, UL 746C(f1)(f8)


  • Injection molding for secondary optics, lenses clusters, light pipes, light guides and free forms collimators.

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