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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Filling of gaps and trailing edges
Bonding of sensors and current conductors
Repair, fixing of inserts and added elementsof inserts and added elements
Casing repair and bonding
Tooling with high temperature resistance
Union of added elements: Vortex, Serrations, etc.
Bonding of Nacelle
Control Shaft & Components
Protection of Screws & Components for Export
Sealing of Assembled Parts