• Description for Dow EG-6301

    Transparent, high-modulus (hard) LED encapsulant; harder elastomer; very long working time.

    Note: This material has been discontinued. Please view the Comparable Materials tab or call us at (262) 293-7970 for additional help.

    *See Terms of Use Below

    Application Type Encapsulant
    1 Part or 2 Part 2 Part
    Material Form Liquid, Silicone elastomer
    Industry Light Emitting Diodes (LEDs)
    Manufacturer Dow
    Chemistry Silicone elastomer, Solvent-free
    Cure Method Heat, Part A/Part B
    Cure Temperature (°C) 150
    Cure Time (min) 60
    Color Transparent
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45
    Light Refractive Index (RI) 1.4110, 1.4030, 1.4020
  • Technical Data for Dow EG-6301

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
      • Part A Name - Part A
      • Part B Name - Part B
    • Material Form
      • Elastomer - Silicone elastomer
      • Liquid
    • Industry
      • LED (Light-Emitting Diodes) - Light Emitting Diodes (LEDs)
    • Chemistry
    • Cure Method
      • Heat
      • 2-Part Cure - Part A/Part B
    • Color
      • Clear / Transparent - Transparent
    Specifications
    Cure Specs
    Cure Temperature (°C) 150
    Cure Time (min) 60
    Work / Pot Time (min) Very long
    Mix Ratio 1:1 (by volume)
    Bond Strength
    Tensile Strength (psi) 9 (Mpa)
    Material Resistance
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45
    Conductivity
    Dielectric Strength (V/mil) Durable
    Hardness
    Shore A Hardness 71
    Elongation (%) 1
    Flexibility Flexible
    Modulus (psi) High, 6.7 (Young's (MPa))
    Other Properties
    Glass Transition Temp (Tg) (°C) -124
    Light Refractive Index (RI) 1.4110, 1.4030, 1.4020 Test Method
    Coefficient of Thermal Expansion (CTE) 270 (ppm/°C)
    Flash Point (°F) 212.0
    % Solids (%) 100
    Business Information
    Shelf Life Details Shelf life is indicated by the “Use Before” date found on the product label., Dow Corning two-part products should be stored at or below 25°C (77°F). Containers should be kept tightly closed at all times to extend shelf life., Check the product label for specific storage conditions.
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 6
  • Best Practices for Dow EG-6301

    *See Terms of Use Below

    1. Surface Preparation

      Surfaces should be clean and dry. Recommended cleaning methods include Dow Corning® brand OS Fluids, naphtha, mineral spirits, methyl ethyl ketone (MEK) or other suitable solvent. Rougher surfaces tend to promote adhesion of silicones to other surfaces.

    2. Application

      These products are also compatible with commercially available equipment and industry standard processes. These materials can be dispensed or molded depending on the product and application.

    3. Clean-Up

      Dow Corning OS Fluids are recommended to clean cured or uncured silicone residue from application equipment.

    4. Testing

      If a substrate or material is questionable with respect to potentially causing inhibition of cure, it is recommended that a small scale compatibility test be run to ascertain suitability in a given application. The presence of liquid or uncured product at the interface between the questionable substrate and the cured silicone indicates incompatibility and inhibition of cure.

  • Comparable Materials for Dow EG-6301

    *See Terms of Use Below

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Light Refractive Index (RI) Test Methods
Light Refractive Index (RI) Test Method
1.4110 Cures at 633 nm
1.4030 Cured at 1321 nm
1.4020 Cured at 1554 nm