Dow 3-4150 Dielectric Gel Kit

Dow 3-4150 Dielectric Gel Kit Datasheet
  • Description for Dow 3-4150 Dielectric Gel Kit

    2-part, transparent green, 1:1 mix ratio, fast RT cure gel

    *See Terms of Use Below

    Application Type Seal
    1 Part or 2 Part 2 Part
    Material Form Gel
    Industry Circuits, Smart Meters, E-Mobility Solutions, Smart Home Devices, Electronics, Optoelectronics
    Manufacturer Dow
    Chemistry Silicone, Solvent-free
    Cure Method 2 Parts
    Cure Temperature (°C) 20 to 25, 25
    Cure Time (min) Fast
    Viscosity (cPs) 475
    Color Transparent green, Transparent green
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Light Refractive Index (RI) High
  • Technical Data for Dow 3-4150 Dielectric Gel Kit

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
    • Material Form
      • Gel
    • Industry
      • E-Mobility Solutions
      • Electronics - Circuits, Optoelectronics
      • Smart Meters
      • Smart Home Devices
      • Industrial - Delicate components
    • Application Method
      • Dispenser - Automated dispensing equipment
    • Cure Method
      • 2-Part Cure - 2 Parts
    • Color
      • Clear / Transparent - Transparent green
      • Green - Transparent green
    Specifications
    Cure Specs
    Cure Temperature (°C) 20 to 25, 25
    Cure Time (min) Fast
    Viscosity (cPs) 475
    Mix Ratio 1:1 (by volume)
    Material Resistance
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Moisture/Humidity Resistance Moisture/humidity resistance
    Conductivity
    Dissipation Factor 0.00200, 0.00010 Test Method
    Dielectric Strength (V/mil) Excellent, 375
    Dielectric Constant 2.85, 2.85 Test Method
    Volume Resistivity (O) 7E+15 (ohms/cm)
    Hardness
    Flexibility Flexible, Resilient
    Other Properties
    Light Refractive Index (RI) High
    Specific Gravity 0.970 Test Method
    Coefficient of Thermal Expansion (CTE) 400 (Linear (micron/m °C or ppm ))
    Flash Point (°F) 212.0
    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 Type from date of manufacture
    Shelf Life (mon) 12
  • Best Practices for Dow 3-4150 Dielectric Gel Kit

    *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. Typically, the two components are of matched viscosities and are readily mixed with static or dynamic mixers, with automated meter-mix normally used for high volume processes. For low volume applications, manual weighing and simple hand mixing may be appropriate. Inaccurate proportioning or inadequate mixing may cause localized or widespread problems affecting the gel properties or cure characteristics. 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 mix and dispense the gel. This is especially important with higher viscosity and faster-curing gels. Degassing at >28 inches (10-20 mm) Hg vacuum may be necessary to ensure a void-free, protective layer.

    2. 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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Set Time Test Methods
Set Time Set Temperature
Work / Pot Time Test Methods
Work / Pot Time Temperature
Dielectric Constant Test Methods
Dielectric Constant Test Method
2.85 Dielectric constant, 100 Hz
2.85 Dielectric constant, 100 KHz
Dissipation Factor Test Methods
Dissipation Factor Test Method
0.00200 Dissipation factor, 100 Hz
0.00010 Dissipation factor, 100 KHz
Specific Gravity Test Methods
Specific Gravity Test Method
0.970 Cured