Dow EA-3000

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Description for Dow EA-3000

Fast tack-free; low viscosity; noncorrosive; excellent adhesion to most materials; self-priming; excellent dielectric properties; excellent thermal stability and cold resistance; low volatility.

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Application Type	Bond
1 Part or 2 Part	1 Part
Material Form	Liquid, Silicone elastomer
Manufacturer	Dow
Chemistry	Silicone elastomer, Solvent-free
Cure Method	Moisture, RTV
Cure Temperature (°C)	20 to 25
Cure Time (min)	4,320
Viscosity (cPs)	Very Low, 1,150
Color	White
High Temperature Resistance (°C)	200
Low Temperature Resistance (°C)	-45, -55

Best Practices for Dow EA-3000

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Technical Data for Dow EA-3000

*See Terms of Use Below

Overview

Application Type
- Adhesive - Bond
1 Part or 2 Part
- 1 Part or 2 Part - 1 Part
Material Form
- Elastomer - Silicone elastomer
- Liquid
Chemistry
- Solvent-Free
- Silicone - Silicone elastomer
Cure Method
- Moisture / Condensation Cure - Moisture
- RTV (Room Temperature Vulcanization) - RTV
Color
- White

Specifications

Cure Specs

Cure Temperature (°C)	20 to 25
Cure Time (min)	4,320
Viscosity (cPs)	Very Low, 1,150
Tack Free Time (min)	Fast, 8	Test Method

Bond Strength

Tensile Strength (psi)	65

Material Resistance

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

Conductivity

Dissipation Factor	9.00E-04	Test Method
Dielectric Strength (V/mil)	Good, Durable, 475
Dielectric Constant	2.80	Test Method
Volume Resistivity (O)	1E+15 (ohms/cm)

Hardness

Shore A Hardness	18	Test Method
Elongation (%)	150
Flexibility	Flexible

Other Properties

Specific Gravity	1.000

Business Information

Shelf Life Details	Shelf life is indicated by the “Use Before” date found on the product label. For best results, Dow Corning RTV adhesives should be stored at or below 25°C (77°F). Special precautions must be taken to prevent moisture from contacting these materials. Containers should be kept tightly closed with head or air space minimized. Partially filled containers should be purged with dry air or other gases, such as nitrogen.
Shelf Life Type	from date of manufacture
Shelf Life (mon)	15

Not Good For

Don't Use With	Plastic, rubber

Best Practices for Dow EA-3000

*See Terms of Use Below
1. Surface Preparation
  
  All surfaces should be thoroughly cleaned and/or degreased with naphtha, mineral spirits, methyl ethyl ketone (MEK), or other suitable solvent. Light surface abrasion is recommended whenever possible, because it promotes good cleaning and increases the surface area for bonding. A final surface wipe with acetone or IPA is also useful. Some cleaning techniques may provide better results than others
  
  users should determine the best techniques for their particular applications
2. Mixing
  
  Upon standing, some filler may settle to the bottom of the liquid containers after several weeks. To ensure a uniform product mix, the material in each container should be thoroughly mixed prior to use. Two-part materials should be mixed in the proper ratio (1:1 or 10:1) either by weight or volume. The presence of light colored streaks or marbling indicates inadequate mixing.
3. Deairing/Degassing
  
  Automated airless dispense equipment can be used to reduce or avoid the need to de-air. If de-airing is required to reduce voids in the cured elastomer, consider a vacuum de-air schedule of >28 inches Hg for 10 minutes or until excessive bubbling subsides.
Comparable Materials for Dow EA-3000

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Spec Engine^® Results
- Dowsil 3140 RTV Coating(Dow)
  One-part, translucent adhesive or coating with good flowability, good flame resistance, UL, IPC and Mil spec tested.
- Dowsil 3-1944 RTV Coating(Dow)
  Coating or adhesive with added UV indicator, good flowability, fast tack free time, good flame resistance, MIL A-46058 tested, Require atmospheric moisture to cure needing no expensive ovens, and various viscosity version faciliate different application methods.
- Dowsil SE 9187 L Adhesive(Dow)
  One-part, black, clear (translucent) or white, fast tack-free, controlled volatility adhesive with very low viscosity.
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