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Metal adhesives
Master Bond EP4CL-80 One component, optically clear epoxy
Categories: Polymer; Thermoset; Epoxy

Material Notes: Key Features:
  • Ultra low viscosity
  • Not premixed and frozen
  • High glass transition temperature
  • Meets NASA low outgassing
Product Description: Master Bond EP4CL-80 is a one component, exceptionally low viscosity epoxy for bonding and sealing. It cures easily at 80°C to 85°C in 60-90 minutes or at 100°C in 10-15 minutes. Since it is not premixed and frozen, it is a true one part system, and has an unlimited working life at room temperature. It should be stored in the refrigerator. EP4CL-80 possesses excellent dimensional stability and low shrinkage upon curing. This epoxy bonds well to a variety of substrates such as metals, composites, ceramics and many plastics. Even though it has very low viscosity, it has exceptionally high tensile strength as well as a high modulus. Its optical properties permit good light transmission from 360 nm to 1500 nm. Its low viscosity allows it to be applied by brushing, spraying or even by spin coating. EP4CL-80 has good chemical resistance to water, oils and fuels, as well as acids and bases. Its color is clear. This epoxy is a reliable electrical and thermal insulator. The service temperature range is -62°C to +232°C (-80°F to +450°F). EP4CL-80 can be considered in optical, aerospace, electronics and specialty OEM applications where an extremely low viscosity epoxy is needed. It is especially useful for laminating and impregnating applications. In fiber optics, a typical usage is for sealing fibers into ferrules. This system is also an attractive candidate for sealing and protecting coil windings in harsh environments.

Product Advantages:

  • Single component, no mixing needed
  • Convenient handling and curing schedules
  • User friendly packaging
  • Can be used for sealing and impregnation applications
  • Transparent

Information provided by Master Bond.

Vendors:
Available Properties
  • Specific Gravity
  • Solids Content
  • Viscosity
  • Hardness, Shore D
  • Tensile Strength
  • Elongation at Break
  • Tensile Modulus
  • Compressive Strength
  • Adhesive Bond Strength, Tensile lap shear, Al to Al
  • Volume Resistivity
  • Dielectric Constant
  • Maximum Service Temperature, Air
  • Minimum Service Temperature, Air
  • Glass Transition Temp, Tg
  • Refractive Index
  • Cure Time
  • Cure Time
  • Shelf Life, in original packaging, in a refrigerator
  
Property Data

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Manufacturer Notes:
Master Bond Inc.

Category Notes
Plastic

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Metal adhesives
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