Dow X3-6211 Encapsulant Datasheet Dow X3-6211 Encapsulant

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  • Description for Dow X3-6211 Encapsulant

    Extremely soft, thermal/mechanical shock and vibration damping, excellent dielectric properties, UV cure, reversion resistant, compatible with automated dispensing equipment, and physical and electrical stability over a wide temperature range.

    *See Terms of Use Below

    Application Type Encapsulant
    1 Part or 2 Part 1-Part
    Material Form Gel
    Industry Circuits, Smart Meters, E-Mobility Solutions, Smart Home Devices, Electronics, Optoelectronics
    Manufacturer Dow
    Chemistry Silicone, Solvent-free
    Cure Method UV
    Cure Temperature (°C) 20 to 25
    Viscosity (cPs) 925
    Color Clear
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Light Refractive Index (RI) High, 1.4100
  • Technical Data for Dow X3-6211 Encapsulant

    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Gel
    • Industry
      • Smart Meters
      • Smart Home Devices
      • E-Mobility Solutions
      • Electronics - Circuits, Optoelectronics
      • Industrial - Delicate components
    • Application Method
      • Dispenser - Automated dispensing equipment
    • Cure Method
      • UV / Visible Light - UV
    • Color
      • Clear / Transparent - Clear
    Cure Specs
    Cure Temperature (°C) 20 to 25 Test Method
    Viscosity (cPs) 925
    Material Resistance
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Moisture/Humidity Resistance Moisture/humidity resistance
    Dielectric Strength (V/mil) Excellent, 425
    Shore A Hardness 105 (grams)
    Flexibility Soft, Resilient
    Other Properties
    Light Refractive Index (RI) High, 1.4100
    Specific Gravity 0.990 Test Method
    Coefficient of Thermal Expansion (CTE) 430 (Linear (micron/m °C or ppm ))
    Business Information
    Shelf Life Details Storage conditions and shelf life (“Use By” date) are indicated on the product label.
    Shelf Life Temperature (°F) 77
    Shelf Life (mon) 12
  • Best Practices for Dow X3-6211 Encapsulant

    *See Terms of Use Below

    1. Mixing

      Some gels are supplied in bladder packs that avoid direct air contact with the liquid gel components, allowing use of air pressure over the pack in a pressure pot for dispensing. Do not apply air pressure directly to the liquid gel surface (without the bladder pack) as the gel can become supersaturated with air and bubbling can occur when the material is dispensed and cured. Use of bladder packs prevents bubbling, maintains cleanliness and avoids gel contamination. Gels can be dispensed manually or by using one of the available types of meter mix equipment. If possible, the potential for entrapment and incorporation of gas (typically air) should be considered during design of the part and selection of a process to dispense the gel. This is especially important with higher-viscosity and faster-curing gels.

    2. Deairing/Degassing

      Degassing at >28 inches (10-20 mm) Hg vacuum may be necessary to ensure a void-free, protective layer.

    3. 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 gel indicates incompatibility and inhibition of cure.

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
20 to 25°C >3000 mJ/cm2 for 12-mm thick layer
Specific Gravity Test Methods
Specific Gravity Test Method
0.990 Cured or uncured A & B.