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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 •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
Overview
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Application Type
- Sealant - Seal
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1 Part or 2 Part
- 1 Part or 2 Part - 2 Part
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Material Form
- Gel
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Industry
- Smart Meters
- Smart Home Devices
- E-Mobility Solutions
- Electronics - Isolate circuits, Optoelectronics, Various PCB system assemblies
- Industrial - Delicate components
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Chemistry
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Application Method
- Dispenser - Automated dispensing equipment
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Cure Method
- 2-Part Cure
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Color
- Blue - Transparent blue
- Clear / Transparent - Transparent blue
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Brand
- Dowsil
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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 |