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Fasto E130 – High Performance Two-Part Epoxy Potting & Casting Compound

Fasto E130 is a very high-performance, two-part epoxy-based potting, casting, bonding, and sealing compound. It is clear in appearance and specially formulated to deliver void-free encapsulation and castings. The system is supplied as a ready-to-use, filled epoxy with low viscosity at processing temperature, enabling smooth flow and excellent coverage.

Fasto E130 offers excellent mechanical strength, outstanding electrical insulation, low shrinkage, and low exotherm, making it ideal for small to medium electrical and electronic components where long-term reliability is critical.

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Key Features

    • Two-Part Epoxy System (Clear Finish)
      Ideal for visible encapsulation and precision casting.
    • Low Viscosity (~3700 cPs)
      Enables void-free potting and easy flow into complex geometries.
    • Very High Mechanical Strength
      • Compressive strength: 92 N/mm²
      • Tensile strength: 32 N/mm²
      • Flexural strength: 57 N/mm²
    • Excellent Electrical Properties
      • Dielectric strength: 18 kV/mm
      • Volume resistivity: 10¹⁵ ohm-cm
      • Tracking resistance: >650 V
    • Low Shrinkage & Low Exotherm
      Minimizes internal stress on components.
    • Good Chemical & Water Resistance
      Resistant to oils, fuels, brake fluid, propanol, and water.
    • Wide Working Time
      30–45 minutes for accurate placement and processing.

Benefits

  • Ensures reliable insulation and protection of electronic components
  • Produces clear, void-free castings and encapsulations
  • Reduces thermal and mechanical stress on sensitive parts
  • Ideal for high-voltage and precision electrical applications
  • Delivers long service life in demanding environments

Application details are available on request. Please contact our technical team.

Surface Preparation

  • Ensure components and moulds are clean, dry, and free from dust, oil, grease, and contaminants.
  • Trials are recommended to determine if additional cleaning is required.

Mixing Instructions

Supplied as Resin (Part A) and Hardener (Part B), pre-measured in the correct ratio.

Mixing ratio: 10 : 3

  1. Stir Part A (resin) thoroughly, as fillers may settle during storage.
  2. Add the measured quantity of Part B (hardener) to Part A.
  3. Mix by hand using a spatula or with a slow-speed mixer for 2–3 minutes until a uniform colour is achieved.
  4. Incomplete mixing may cause poor curing, reduced properties, or soft spots.

Application Method

  • Pour or brush the mixed compound onto the desired area.
  • Allow curing until the required handling or final strength is achieved.

Curing Guidelines

  • Working time: 30–45 minutes
  • Full cure: 24 hours
  • Cure speed depends on temperature, substrate, and mass of mixture.
  • Heating the assembly accelerates curing; smaller mix volumes cure more slowly.

To access Technical & Safety Documents, please submit your details.

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