Dow Dowsil 3-4680 Silicone Gel Datasheet Dow Dowsil 3-4680 Silicone Gel

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  • Description for Dow Dowsil 3-4680 Silicone Gel

    • Two-part • Transparent blue • 1:1 mix ratio • Fast room temperature cure • Low viscosity • Silicone Gel •

    *See Terms of Use Below

    Brand Dowsil
    Application Type Seal
    1 Part or 2 Part 2 Part
    Material Form Gel
    Industry Isolate circuits, Various PCB system assemblies, Smart Meters, E-Mobility Solutions, Smart Home Devices, Electronics, Optoelectronics
    Manufacturer Dow
    Chemistry Silicone, Solvent-free
    Cure Method 2-Part Cure
    Cure Temperature (°C) 20 to 25 Room temperature, 125
    Cure Time (min) Fast, 1.00
    Viscosity (cPs) Low, 275
    Color Transparent blue, Transparent blue
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Light Refractive Index (RI) High

  • Technical Data for Dow Dowsil 3-4680 Silicone Gel

    *See Terms of Use Below

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
    • Material Form
      • Gel
    • Industry
      • Smart Meters
      • Smart Home Devices
      • E-Mobility Solutions
      • Electronics - Isolate circuits, Optoelectronics, Various PCB system assemblies
      • Industrial - Delicate components
    • Chemistry
    • Application Method
      • Dispenser - Automated dispensing equipment
    • Cure Method
      • 2-Part Cure
    • Color
      • Blue - Transparent blue
      • Clear / Transparent - Transparent blue
    • Brand
      • Dowsil
    • Also Known As
      • Old Name - 3-4680 Silicone Gel Kit
    Specifications
    Cure Specs
    Cure Temperature (°C) 20 to 25 Room temperature, 125 Test Method
    Cure Time (min) Fast, 1.00 Test Method
    Viscosity (cPs) Low, 275 Test Method
    Set Time (min) 8 Test Method
    Work / Pot Time (min) <10 Test Method
    Mix Ratio 1:1
    Material Resistance
    High Temperature Resistance (°C) 200
    Low Temperature Resistance (°C) -45, -55
    Moisture/Humidity Resistance Moisture/humidity resistance
    Conductivity
    Dissipation Factor 0.00040, <0.00006 Test Method
    Dielectric Strength (V/mil) 400
    Dielectric Constant 2.75, 2.75 Test Method
    Volume Resistivity (O) 3.6E+15 (ohms/cm)
    Hardness
    Flexibility Flexible, Resilient
    Other Properties
    Light Refractive Index (RI) High
    Specific Gravity 0.970, 0.970 Test Method
    Coefficient of Thermal Expansion (CTE) 435 (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) 18
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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
20 to 25°C Room temperature
125°C Heat Cure
Cure Time Test Methods
Cure Time Test Method
Fast
1.00 min Heat Cure
Set Time Test Methods
Set Time Set Temperature Test Method
8 min 25°C Gel Time
Viscosity Test Methods
Viscosity Test Method
Low
275 cPs Mixed
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
<10 min Time to double initial viscosity initial mixed viscosity for two-part products at room temperature. This property is sometimes referred to as pot life. 25°C
Dielectric Constant Test Methods
Dielectric Constant Test Method
2.75 Dielectric Constant at 100 Hz
2.75 Dielectric Constant at 100 kHz
Dissipation Factor Test Methods
Dissipation Factor Test Method
0.00040 Dissipation Factor at 100 hz
<0.00006 Dissipation Factor at 100 kHz
Specific Gravity Test Methods
Specific Gravity Test Method
0.970 Uncured Part A or Base
0.970 Uncured Part B or Catalyst