Dow Dowsil SE 9186

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Description for Dow Dowsil SE 9186

One-part, black, translucent or white, flowable, fast tack-free, controlled volatility adhesive

Brand	Dowsil
Application Type	Adhesive , Seal
1 Part or 2 Part	1 Part
Material Form	Liquid
Substrate	Ceramics, Glass, Many reactive metals, Plastics
Industry	Circuit board, Smart Meters, E-Mobility Solutions, Electronic equipment and modules
Manufacturer	Dow
Chemistry	Polydimethylsiloxane, Silicone
Cure Method	Moisture, Heat, Room temperature Cure
Cure Temperature (°C)	Lower temperature, 20 to 25
Cure Time (min)	Faster, 2,880
Viscosity (cPs)	64,000, Flowable, Controlled, Self-leveling
Color	Black, White, Translucent
High Temperature Resistance (°C)	200
Low Temperature Resistance (°C)	-45, -55

Best Practices for Dow Dowsil SE 9186

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Technical Data for Dow Dowsil SE 9186

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Overview

Application Type
- Adhesive - Adhesive
- Sealant - Seal
1 Part or 2 Part
- 1 Part or 2 Part - 1 Part
Material Form
- Liquid
Substrate
- Ceramic - Ceramics
- Glass
- Metal - Many reactive metals
- Plastic - Plastics
- Other - Resins, Selected laminates
Industry
- E-Mobility Solutions
- Electronics - Circuit board, Electronic equipment and modules
- Smart Meters
- Other - Sealing against potential stress cracks
Chemistry
- Other - Polydimethylsiloxane
- Silicone
Application Method
- Dispenser - Simple needle dispensing systems, Automated systems are normally used for high volume processes, Manual dispensing for low volumes
Cure Method
- Room Temperature / Air Dry - Room temperature Cure
- Moisture
- Heat
Color
- Translucent
- Black
- White
Brand
- Dowsil

Specifications

Cure Specs

Cure Temperature (°C)	Lower temperature, 20 to 25
Cure Time (min)	Faster, 2,880
Viscosity (cPs)	64,000, Flowable, Controlled, Self-leveling
Tack Free Time (min)	Fast, 8	Test Method

Bond Strength

Shear Strength (psi)	185	Test Method
Tensile Strength (psi)	360

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	0.00130	Test Method
Dielectric Strength (V/mil)	Good, Durable, 575
Dielectric Constant	2.70	Test Method
Volume Resistivity (O)	2.0E +16 (ohm*cm)	Test Method

Hardness

Shore A Hardness	20
Elongation (%)	550
Flexibility	Flexible

Other Properties

Specific Gravity	1.030	Test Method

Business Information

Shelf Life Details	Shelf life is indicated by the “Use Before” date found on the product label., For best results, Dow RTV adhesives should be stored at or below the storage temperature listed on the product label. Special precautions must be taken to prevent moisture from contacting these materials. Containers should be kept tightly closed with head or air space minimized.
Shelf Life Type	from date of manufacture
Shelf Life (mon)	15

Not Good For

Don't Use With	Non-reactive metal substrates, Nonreactive plastic surfaces, Plastic substrates that are highly plasticized, Teflon, Polyethylene, Polypropylene, Rubber substrates that are highly plasticized

Best Practices for Dow Dowsil SE 9186

*See Terms of Use Below
1. Surface Preparation
  
  All surfaces should be thoroughly cleaned and/or degreased with DOWSIL™ brand OS Fluids, naphtha, mineral spirits, methyl ethyl ketone (MEK) or other suitable solvent. Solvents such as acetone or isopropyl alcohol (IPA) do not tend to remove oils well, and any oils remaining on the surface may interfere with adhesion. 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. Testing
  
  Due to the wide variety of substrate types and differences in substrate surface conditions, general statements on adhesion and bond strength are impossible. To ensure maximum bond strength on a particular substrate, cohesive failure of the product in a lap shear or similar test is needed to ensure compatibility of the adhesive with the substrate being considered. Also, this test can be used to determine minimum cure time or to detect the presence of surface contaminants such as mold release agents, oils, greases and oxide films.
Comparable Materials for Dow Dowsil SE 9186

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Spec Engine^® Results
- 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 EA-7100 Adhesive(Dow)
  Thermal Radical Cure, one-part, non-flowing adhesive with robust adhesion to a wide variety of substrates.
- Dowsil CN-8605 RTV Adhesive(Dow)
  A one-part, grey, semi-flowable room temperature curing silicone adhesive is use around all electrical devices and PCB system assemblies devices.
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