Dow JCR 6101 UP

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Description for Dow JCR 6101 UP

Translucent, medium-modulus LED gel encapsulant; thixotropic; very long working time.

Application Type	Encapsulate
1 Part or 2 Part	1-Part
Material Form	Liquid, Silicone elastomer
Industry	Light Emitting Diodes (LEDs)
Manufacturer	Dow
Chemistry	Silicone elastomer, Solvent-free
Cure Method	Heat
Cure Temperature (°C)	70, 150
Cure Time (min)	60, 120
Viscosity (cPs)	Higher, 20,000, Thixotropic
Color	Translucent
High Temperature Resistance (°C)	200
Low Temperature Resistance (°C)	-45
Light Refractive Index (RI)	1.4060, 1.3980, 1.3960

Best Practices for Dow JCR 6101 UP

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Technical Data for Dow JCR 6101 UP

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Overview

Application Type
- Pottant / Encapsulant - Encapsulate
1 Part or 2 Part
- 1-Part
Material Form
- Elastomer - Silicone elastomer
- Liquid
Industry
- LED (Light-Emitting Diodes) - Light Emitting Diodes (LEDs)
Chemistry
- Solvent-Free
- Silicone - Silicone elastomer
Cure Method
- Heat
Color
- Translucent

Specifications

Cure Specs

Cure Temperature (°C)	70, 150
Cure Time (min)	60, 120
Viscosity (cPs)	Higher, 20,000, Thixotropic
Work / Pot Time (min)	Very Long

Bond Strength

Tensile Strength (psi)	1.7 (Mpa)

Material Resistance

High Temperature Resistance (°C)	200
Low Temperature Resistance (°C)	-45

Conductivity

Dielectric Strength (V/mil)	Durable

Hardness

Shore A Hardness	35
Elongation (%)	2
Flexibility	Flexible
Modulus (psi)	Medium, 1.2 (Young's (MPa))

Other Properties

Glass Transition Temp (Tg) (°C)	-121
Light Refractive Index (RI)	1.4060, 1.3980, 1.3960	Test Method
Coefficient of Thermal Expansion (CTE)	300 (ppm/°C)
Flash Point (°F)	212.0
% Solids (%)	100

Business Information

Shelf Life Details	Shelf life is indicated by the “Use Before” date found on the product label., For best results, Dow Corning one-part products require cold storage at or below -5°C (23°F). Special precautions must be taken to prevent moisture from contacting these materials. Containers should be kept tightly closed with head space minimized. Partially filled containers should be purged with dry air or other gases, such as nitrogen., Check the product label for specific storage conditions.
Shelf Life Type	From date of manufacture
Shelf Life (mon)	6

Best Practices for Dow JCR 6101 UP

*See Terms of Use Below
1. Surface Preparation
  
  Surfaces should be clean and dry. Recommended cleaning methods include Dow Corning® brand OS Fluids, naphtha, mineral spirits, methyl ethyl ketone (MEK) or other suitable solvent. Rougher surfaces tend to promote adhesion of silicones to other surfaces.
2. Application
  
  These products are also compatible with commercially available equipment and industry standard processes. These materials can be dispensed or molded depending on the product and application.
3. Clean-Up
  
  Dow Corning OS Fluids are recommended to clean cured or uncured silicone residue from application equipment.
4. 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 silicone indicates incompatibility and inhibition of cure.
Comparable Materials for Dow JCR 6101 UP

*See Terms of Use Below

Spec Engine^® Results
- Dowsil 3140 RTV Coating(Dow)
  • A one part component • Room temperature cure • coating with good flowability • Polydimethylsiloxane adhesive • Pin sealing • self-leveling • solder joint coverage • good flame resistance
- Dowsil JCR 6101 Encapsulant(Dow)
  Translucent, medium-modulus LED gel encapsulant; very long working time.
- AS1420-100(CHT)
  A heat cured, non-corrosive, neutral cure, 1-part, silicone adhesive sealant suitable for use with electronic components.
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