Dow X3-6211 Encapsulant

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Description for Dow X3-6211 Encapsulant

Extremely soft, thermal/mechanical shock and vibration damping, excellent dielectric properties, UV cure, reversion resistant, compatible with automated dispensing equipment, and physical and electrical stability over a wide temperature range.

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Application Type	Encapsulant
1 Part or 2 Part	1-Part
Material Form	Gel
Industry	Circuits, Smart Meters, E-Mobility Solutions, Smart Home Devices, Electronics, Optoelectronics
Manufacturer	Dow
Chemistry	Silicone, Solvent-free
Cure Method	UV
Cure Temperature (°C)	20 to 25
Viscosity (cPs)	925
Color	Clear
High Temperature Resistance (°C)	200
Low Temperature Resistance (°C)	-45, -55
Light Refractive Index (RI)	High, 1.4100

Best Practices for Dow X3-6211 Encapsulant

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Technical Data for Dow X3-6211 Encapsulant

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Overview

Application Type
- Pottant / Encapsulant - Encapsulant
1 Part or 2 Part
- 1-Part
Material Form
- Gel
Industry
- Smart Meters
- Smart Home Devices
- E-Mobility Solutions
- Electronics - Circuits, Optoelectronics
- Industrial - Delicate components
Chemistry
- Solvent-Free
- Silicone
Application Method
- Dispenser - Automated dispensing equipment
Cure Method
- UV / Visible Light - UV
Color
- Clear / Transparent - Clear

Specifications

Cure Specs

Cure Temperature (°C)	20 to 25	Test Method
Viscosity (cPs)	925

Material Resistance

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

Conductivity

Dielectric Strength (V/mil)	Excellent, 425

Hardness

Shore A Hardness	105 (grams)
Flexibility	Soft, Resilient

Other Properties

Light Refractive Index (RI)	High, 1.4100
Specific Gravity	0.990	Test Method
Coefficient of Thermal Expansion (CTE)	430 (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)	12

Best Practices for Dow X3-6211 Encapsulant

*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. 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.
2. Deairing/Degassing
  
  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 X3-6211 Encapsulant

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Spec Engine^® Results
- Dowsil 3-6371 UV Gel(Dow)
  • One-part • Very soft • Translucent • UV cure • Low temperature gel • Flexible • Moisture secondary cure.
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