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MG Chemicals 832FX - Black Flexible Epoxy

Black Flexible Epoxy, Encapsulating & Potting Compound 832FX is a black, 2-part, flexible epoxy that offers extreme environmental, mechanical and physical protection for printed circuit boards and electronic assemblies. This product is designed for applications where minimizing the physical stress on components is critical. It performs well in low temperature and arctic environments, as well as applications that involve temperature cycling or rapid temperature changes. It provides the functionality of silicone, but with the durability and cost-effectiveness of epoxy.

Product families

Applications

Electrical & Electronics — Packaging & Assembly
  • Potting Compounds
Electrical & Electronics — Parts & Components
  • Printed Circuit Boards (PCBs)

Product Families

Ready-to-Use Products — Adhesives & Sealants
  • Encapsulants

Other characteristics

Product Type

2K (2 component) Sealant, Epoxy Sealant, Potting Compound; 2K (2 component) Sealant; Epoxy Sealant; Potting Compound

Compatible Substrates & Surfaces
Ceramic, Composites, Glass, Metal, Plastics
Mixing

Mixing >500 g at a time decreases working life and can lead to a flash cure. Limit the size of hand-mixed batches. For large production volumes, contact MG Chemicals Technical Support for assistance.

Markets
Electrical & Electronics
Shelf LIfe
5 Years
Technology
Ready-to-Use Products
Packaging Type
  • Bottles
  • Cans
  • Pails
Labeling Claims
Solvent-free
Cure

Allow to cure at room temperature for 24 hours, or cure in an oven at one of these time/temperature options:

Benefits and Features

Very low mixed viscosity of 700 cP; Good adhesion to a wide variety of substrates, including metals, composites, glass, ceramics, and many plastics; Excellent electrical insulating characteristics; Extreme resistance to water and humidity (allows for submersion where needed); Solvent-free

Chemical Inventories
  • AICS (Australia)
  • DSL (Canada)
  • EINECS (EU)
  • ENCS (Japan)
  • IECSC (China)
  • INSQ (Mexico)
  • KECI (Korea)
  • NCI (Vietnam)
Ready to Use Product Features
  • Abrasion Resistant
  • Durable
  • Electrically Insulating
  • Excellent Humidity Resistance
  • Excellent Substrate Adhesion
  • Water Resistant
  • Wide Temperature Operating Range
Compatible Substrates and Surfaces
  • Ceramic
  • Composites
  • Glass
  • Metal
  • Plastics

Technical data

Table 1 of 2

19 rows
CharacteristicValueUnit
Breakdown Voltage36300V
CTE (Prior Tg)114ppm/˚C
CTE (After Tg)218ppm/˚C
Dielectric Constant (at 1 MHz)3.1—
Dielectric Strength370V/mil
Dissipation Factor (at 1 MHz)0.05—
Glass Transition Temperature (Tg)8.8˚C
Hardness A88—
Intermittent Temperature-50 to 150˚C
Lap Shear (aluminum)3.4N/mm2
Lap Shear (Stainless Steel)2.5N/mm2
Mix Ratio1:1Volume

Table 2 of 2

2 rows
CharacteristicValueUnit
Mix Ratio1.22:1Weight
Viscosity (at 25 ˚C) ⁽ᵇ⁾0.17Pa·s

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