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SILASTIC™ MS-4002 Moldable Silicone A&B Kit

This two-part, 1:1 ratio has high termal stability, comparatively high hardness and low surface tension, a smooth, low-tack, plastic-like surface, optically clear, and high light transmittance, with lower haze - Moldable Optical Silicone. 

Uses:

  • Injection molding:
    • Secondary optics
    • Lens clusters
    • Light pipes
    • Light guides
    • Free form collimators

Benefits:

  • Optically clear, high light transmittance with lower haze
  • High thermal stability
  • Opportunity for reduced cycle time due to reduction in scorch time
  • Meets UL-746C-f1/UL-94 certifications for outdoor applications
  • Complements the existing SILASTIC™ MS-10XX Moldable Silicones

This award winning moldable optical silicone is a medium viscosity, high Shore A hardness, fast heat curing optical molding resin for producing optical parts with good resistance to environmental aging. It has a smooth, low-tack, plastic-like surface and enables the molding of complex, finely detailed optical parts and secondary lenses. It remains relatively soft after injection molding, with high elongation capability for easy demolding of complicated parts, such as those designed with a combination of thick and thin areas (e.g., lens clusters). After demolding and post-curing, it reaches its final mechanical properties and produces hard and tough optical parts. It shows enhanced stability of optical performance upon high heat, high humidity and UV exposures, meeting the most demanding requirements for outdoor lighting applications.

Imagine a brighter future

Dow creates proven, high-performance silicon-based materials that help you create next-generation lighting. We offer today’s LED industry unmatched experience and know-how for LED lamp and luminaire assembly. Dow lighting experts work alongside your team to test designs, recommend modifications and provide total solutions to your challenges. Our partnership network of molding and optical experts helps our customers develop the best solutions.

Properties

These values are typical properties and are not intended for use in preparing specifications.

  • Color Clear, Colorless
  • Dielectric Strength (kV/mm) 28 kV/mm
  • Durometer - Shore A 84 Shore A
  • Elongation 60 %
  • Linear CTE 250 um/m/Deg C
  • Number of Parts Two
  • Specific Heat 1.39 J/Kg.K
  • Tensile Strength 1700 psi
  • Viscosity 25000 mPa.s
  • Viscosity (Part A) 50 mPa.s
  • Viscosity - Part A 50 Pa.s
  • Viscosity - Part B 21 Pa.s
  • Volume Resistivity 1.00E+14 ohm-centimeters
  • Working Time in hrs at 25 Deg C 48

No Safety Data Sheets are available online for this material
Please Contact Dow for additional information.

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SILASTIC™ MS-4002 Moldable Silicone A&B Kit
No Technical Data Sheets are available for this product
Please Contact Dow for additional information.

SILASTIC™ MS-4002 Moldable Silicone A&B Kit


No Regulatory Data Sheets are available for this product


SILASTIC™ MS-4002 Moldable Silicone A&B Kit
Please Contact Dow for distribution options available for this product.