Dow Dowsil EG-3000 Thixotropic Gel

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Description for Dow Dowsil EG-3000 Thixotropic Gel

• Two part • Translucent • 1:1 mix ratio • thixotropic gel • Heat cure gel

Brand	Dowsil
Application Type	Seal
1 Part or 2 Part	2-Part
Material Form	Gel
Industry	Circuits, PCB system assemblies, Smart Meters, E-Mobility Solutions, Smart Home Devices, Electronics, Optoelectronics, Interconnections
Manufacturer	Dow
Chemistry	Silicone, Solvent-free
Cure Method	2-Part Cure, Heat cure
Cure Temperature (°C)	20 to 25, 150
Cure Time (min)	60
Viscosity (cPs)	2,300
Color	Translucent
High Temperature Resistance (°C)	200
Low Temperature Resistance (°C)	-45, -55
Volume Resistivity (O)	2.70E+14 (ohm*cm)
Light Refractive Index (RI)	High

Best Practices for Dow Dowsil EG-3000 Thixotropic Gel

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Technical Data for Dow Dowsil EG-3000 Thixotropic Gel

*See Terms of Use Below

Overview

Application Type
- Sealant - Seal
1 Part or 2 Part
- 2-Part
Material Form
- Gel
Industry
- Smart Meters
- Smart Home Devices
- E-Mobility Solutions
- Electronics - Circuits, Optoelectronics, Interconnections
- Printed Circuit Board (PCB) - PCB system assemblies
- Industrial - Delicate components
Chemistry
- Solvent-Free
- Silicone
Application Method
- Dispenser - Automated dispensing equipment, Easy dispensing
Cure Method
- Heat - Heat cure
- 2-Part Cure
Color
- Translucent
Brand
- Dowsil

Specifications

Cure Specs

Cure Temperature (°C)	20 to 25, 150	Test Method
Cure Time (min)	60	Test Method
Viscosity (cPs)	2,300	Test Method
Set Time (min)	8	Test Method
Work / Pot Time (min)	360	Test Method
Thixotropic	Thixotropic
Mix Ratio	1:1 (by volume), 1:1 (by weight)

Material Resistance

High Temperature Resistance (°C)	200
Low Temperature Resistance (°C)	-45, -55
Moisture/Humidity Resistance	Moisture/humidity resistance

Conductivity

Dielectric Strength (V/mil)	550	Test Method
Dielectric Constant	2.70	Test Method
Volume Resistivity (O)	2.70E+14 (ohm*cm)	Test Method

Hardness

Flexibility	Extremely soft , Resilient

Other Properties

Light Refractive Index (RI)	High

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)	12

Not Good For

Don't Use For	Some solder flux residues, Other sulfur containing materials, Chemicals, Organometallic compounds, Sulfur, Polysulfones, Unsaturated hydrocarbon plasitcizers,, Organotin, Silicone rubber containing organotin catalyst, Polysulfides
Don't Use With	plasticizers, Certain materials, Curing agents

Best Practices for Dow Dowsil EG-3000 Thixotropic Gel

*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.
2. Deairing/Degassing
  
  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 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.
3. 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.
Comparable Materials for Dow Dowsil EG-3000 Thixotropic Gel

*See Terms of Use Below

Spec Engine^® Results
- Sylgard 527 Silicone Dielectric Gel(Dow)
  Two-part, 1 to 1 mix ratio dielectric gel, Room temperature or heat accelerated cure, Available in clear or red, Low viscosity allows good flow under components, UL flammability rating
- Fluorogel Q3-6679 Dielectric Gel(Dow)
  A two-part, clear, solvent resistant gel, room temperature or heat cure, long working time, resistant to fuels.
- Dowsil 3-4170 Dielectric Gel(Dow)
  • Clear • Fast heat cure • Long working time and low viscosity aid process flexibility • Impregnation may be successful without vacuum
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