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Ensinger PEI
Cosmic Plastics E4920 Mineral Filled Epoxy Molding Compound
Categories: Polymer; Thermoset; Epoxy; Epoxy, Molded, Mineral Filled

Material Notes: Description: Cosmic E4920 is a mineral filled epoxy molding compound which is available either in a granular form, or preformed in a variety of sizes and weights.

Features: It has excellent moisture resistance, thermal cycling stability and outstanding moldability. Parts molded from this material do not support fungus growth. It is available in a wide flow range to suit custom molding requirements. E4920 can be supplied in black, gold, green or red. It has a shelf life of six months when stored at 50C.

Applications: It is designed for encapsulation of passive devices such as capacitors, inductors, diodes and rectifiers.

Information provided by Cosmic Plastics Inc

Vendors:
Available Properties
  • Specific Gravity
  • Bulk Factor
  • Water Absorption
  • Linear Mold Shrinkage
  • Hardness, Barcol
  • Tensile Strength at Break
  • Flexural Strength
  • Flexural Modulus
  • Compressive Strength
  • Izod Impact, Notched
  • Volume Resistivity
  • Surface Resistance
  • Dielectric Constant, Wet
  • Dielectric Constant, Wet
  • Dielectric Strength, Wet, step by step
  • Dielectric Breakdown, Wet, step by step
  • Dissipation Factor, Wet
  • Dissipation Factor, Wet
  • Arc Resistance
  • CTE, linear, Alpha 1
  • CTE, linear, Alpha 2
  • Thermal Conductivity
  • Heat Distortion Temperature
  • Glass Transition Temp, Tg
  • Flammability, UL94
  • Mold Temperature
  
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Manufacturer Notes:
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Category Notes
Plastic

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