Dow Duroptix JCR 6109

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Description for Dow Duroptix JCR 6109

One-part clear, low viscosity, optical gel, silicone LED (light emitting diode) encapsulants are designed to meet the challenging needs of the LED market, high purity, moisture resistance, thermal stability and optical transmittance.

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Application Type	Encapsulant
1 Part or 2 Part	1-Part
Material Form	Gel
Industry	Light Emitting Diodes (LEDs), Optical encapsulant, Bonding wires
Manufacturer	Dow
Chemistry	High purity, Methyl phenyl siloxane, Non solvent
Cure Method	Heat curing
Cure Temperature (°C)	70, 150
Cure Time (min)	60, 960
Viscosity (cPs)	3,700, Low
Color	Translucent
High Temperature Resistance (°C)	200
Low Temperature Resistance (°C)	-45
Volume Resistivity (O)	1.7E+15 (ohm*cm)
Light Refractive Index (RI)	1.4200

Best Practices for Dow Duroptix JCR 6109

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Technical Data for Dow Duroptix JCR 6109

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Overview

Application Type
- Pottant / Encapsulant - Encapsulant
1 Part or 2 Part
- 1-Part
Material Form
- Gel
Industry
- Optical - Optical encapsulant
- LED (Light-Emitting Diodes) - Light Emitting Diodes (LEDs)
- Wirebond - Bonding wires
Chemistry
- Solvent-Free - Non solvent
- Other - High purity
- Silicone - Methyl phenyl siloxane
Cure Method
- Heat - Heat curing
Color
- Translucent

Specifications

Cure Specs

Cure Temperature (°C)	70, 150	Test Method
Cure Time (min)	60, 960	Test Method
Viscosity (cPs)	3,700, Low	Test Method
Work / Pot Time (min)	Long

Material Resistance

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

Conductivity

Dissipation Factor	5.5E-04	Test Method
Dielectric Strength (V/mil)	0.01	Test Method
Dielectric Constant	2.70	Test Method
Thermal Conductivity (W/m°K)	Excellent thermal stability
Volume Resistivity (O)	1.7E+15 (ohm*cm)	Test Method

Hardness

Flexibility	Flexible
Modulus (psi)	0.05 (Mpa)	Test Method

Other Properties

Light Refractive Index (RI)	1.4200	Test Method
Specific Gravity	1.040	Test Method

Business Information

Shelf Life Details	Shelf life is indicated by the “Use Before” date found on the product label. For best results, DuPont 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 Temperature (°F)	23
Shelf Life Type	From date of manufacture
Shelf Life (mon)	6

Best Practices for Dow Duroptix JCR 6109

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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. Clean-Up
  
  These products can be dispensed or molded depending on the product and application. OS Fluids are recommended to clean cured or uncured silicone residue from application equipment.
Comparable Materials for Dow Duroptix JCR 6109

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Spec Engine^® Results
- Dowsil JCR 6101 Encapsulant(Dow)
  Translucent, medium-modulus LED gel encapsulant; very long working time.
- AS1420(CHT)
  A one-part, heat cured, non-corrosive, neutral cure, silicone adhesive sealant and potting material, It is addition cure product which is solvent free, excellent thermal conductivity.
- AS1420-180(CHT)
  A heat cured, non-corrosive, neutral cure, 1-part, silicone adhesive sealant. It is one in a range of Addition cure products which are solvent free.
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