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Description for Dow Dowsil HC 2000 Conformal Coating
Fast tack-free, non-corrosive, room-temperature-vulcanizing (RTV) solventless silicone conformal coating; high viscosity; controlled volatility.Brand Dowsil Chemical Resistance Good Application Type Conformal Coating 1 Part or 2 Part 1-Part Material Form Liquid, Silicone elastomer Industry HDD, Sensors, Connectors, Smart Meters, E-Mobility Solutions, Smart Home Devices, Electronic components, Flexible circuit boards, Relays, Rigid circuit boards, Sensitive components , CD, DVD, High tolerance devices Manufacturer Dow Chemistry Silicone elastomer, Solvent-free Cure Method RTV, Atmospheric moisture, Mild Heat Cure Temperature (°C) 20 to 25 RT Cure Time (min) 90 Viscosity (cPs) 150, Flowable Color Translucent Ozone Resistance Ozone resistance High Temperature Resistance (°C) 200 Low Temperature Resistance (°C) -45, -55 Volume Resistivity (O) 1.0 E17 (ohms/cm) Elastomeric Elastomeric Key Specifications Underwriters Laboratory (UL) 746E recognition is based on thickness and substrate requirements -
Technical Data for Dow Dowsil HC 2000 Conformal Coating
Overview
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Chemical Resistance
- Chemical Resistance - Good
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Application Type
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1 Part or 2 Part
- 1-Part
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Material Form
- Elastomer - Silicone elastomer
- Liquid
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Industry
- Smart Meters
- Smart Home Devices
- E-Mobility Solutions
- Electronics - Electronic components, Flexible circuit boards, Relays, Rigid circuit boards, CD, DVD, HDD, Sensitive components , High tolerance devices
- Sensors
- Connectors
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Chemistry
- Solvent-Free
- Silicone - Silicone elastomer
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Application Method
- Dispenser - Robotic dispensing, Select coating
- Brush
- Spray
- Flow
- Dip - Dip coated with special precautions
- Other - Some automated pattern coating
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Cure Method
- Moisture / Condensation Cure - Atmospheric moisture
- Heat - Mild Heat
- RTV (Room Temperature Vulcanization) - RTV
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Color
- Translucent
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Key Specifications
- UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association) - Underwriters Laboratory (UL) 746E recognition is based on thickness and substrate requirements
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Brand
- Dowsil
Specifications
Cure Specs
Cure Temperature (°C) 20 to 25 RT Test Method Cure Time (min) 90 Test Method Viscosity (cPs) 150, Flowable Tack Free Time (min) Fast, 18 Test Method Bond Strength
General Bond Strength (psi) Good Material Resistance
Ozone Resistance Ozone resistance UV Resistance UV resistance Environmental Resistance Environmental resistance High Temperature Resistance (°C) 200 Test Method Low Temperature Resistance (°C) -45, -55 Test Method Moisture/Humidity Resistance Resist humidity Conductivity
Dissipation Factor 0.00500 Test Method Dielectric Strength (V/mil) 850 Test Method Dielectric Constant 2.70 Test Method Volume Resistivity (O) 1.0 E17 (ohms/cm) Test Method Hardness
Shore A Hardness 25 Elastomeric Elastomeric Other Properties
Specific Gravity 1.010 Test Method Business Information
Shelf Life Details Special precautions must be taken to prevent moisture from contacting Dow Corning RTV Conformal Coatings. Containers should be kept tightly closed and head or air space minimized. Partially filled containers should be purged with dry air or other gases, such as nitrogen. Shelf life is indicated by the “Use Before” date found on the product label. Shelf Life Temperature (°F) 77 Shelf Life Type From date of manufacture Shelf Life (mon) 12 -
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Best Practices for Dow Dowsil HC 2000 Conformal Coating
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Curing
Time to cure is dependent on several variables including the method of application, film thickness, temperature and humidity. Tack-free time in the data table gives an indication of typical times until surface is dry enough to handle. Cure time for full cure are indications of time needed to develop full physical properties such as durometer, tensile strength or adhesion. These times, including full cure time, can be significantly improved by introducing mild heat of 60°C or less.
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Comparable Materials for Dow Dowsil HC 2000 Conformal Coating
Spec Engine® Results
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Dowsil HC 1000 Gray Conformal Coating(Dow)One part, gray, fast tack free solventless conformal coating with controlled volatility, high viscosity and good flame resistance, Controlled volatility, High viscosity, Cures to soft, low stress elastomer
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Dowsil CC-3122 Conformal Coating(Dow)
One-part, translucent, low viscosity, room-temperature-vulcanization (RTV).
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Dowsil HC 2000 UV Coating(Dow)
• One-part • Translucent • Fast tack-free • Flowable • Conformal coating • RT cure •
- Compare All
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Cure Temperature Test Methods
| Cure Temperature | Cure Time Test Method |
|---|---|
| 20 to 25°C RT | 60.3 mm thickness, 20°C, 55% RH. |
Cure Time Test Methods
| Cure Time | Test Method |
|---|---|
| 90 min | 60.3 mm thickness, 20°C, 55% RH. |
Tack Free Time Test Methods
| Tack Free Time | Tack Free Temperature |
|---|---|
| Fast | 20 to 25°C RT |
| 18 min | 25°C |
High Temperature Resistance Test Methods
| High Temperature Resistance | Test Method |
|---|---|
| 200°C | Operational over a temperature |
Low Temperature Resistance Test Methods
| Low Temperature Resistance | Test Method |
|---|---|
| -45°C | Operational over a temperature |
| -55°C | Thermal cycling |
Dielectric Constant Test Methods
| Dielectric Constant | Test Method |
|---|---|
| 2.70 | 1MHz (JIS K 6249) |
Dielectric Strength Test Methods
| Dielectric Strength | Test Method |
|---|---|
| 850 V/mil | JIS K 6249 |
Dissipation Factor Test Methods
| Dissipation Factor | Test Method |
|---|---|
| 0.00500 | 1MHZ (JIS K 6249) |
Volume Resistivity Test Methods
| Volume Resistivity | Test Method |
|---|---|
| 1.0 E17 (ohms/cm) | JIS K 6249 |
Specific Gravity Test Methods
| Specific Gravity | Test Method |
|---|---|
| 1.010 | Cured |
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