Dow Dowsil 3-4680 Silicone Gel

Dow Dowsil 3-4680 Silicone Gel Datasheet
  • Description for Dow Dowsil 3-4680 Silicone Gel

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

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    Brand Dowsil
    Application Type Seal
    1 Part or 2 Part 2 Part
    Material Form Gel
    Industry Isolate circuits, Various PCB system assemblies, E-Mobility Solutions, 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

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  • Best Practices

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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
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
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