Dow Dowsil JCR 6101 Encapsulant

Overview

• Application Type

  • Adhesive
  • 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
  • Other - Phenyl methyl siloxane, High purity
  • Silicone - Silicone elastomer

• Cure Method

  • Heat

• Color

  • Translucent - Translucent white
  • White - Translucent white

• Brand

  • Dowsil

Specifications

Cure Specs

Cure Temperature (°C)	70, 150
Cure Time (min)	60, 120
Viscosity (cPs)	6,200
Work / Pot Time (min)	Very long

Bond Strength

Tensile Strength (psi)	245

Material Resistance

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

Conductivity

Dissipation Factor	6E-04	Test Method
Dielectric Strength (V/mil)	Durable, 565
Dielectric Constant	2.40	Test Method
Thermal Conductivity (W/m°K)	0.20
Volume Resistivity (O)	1.9E+15 (ohm*cm)

Hardness

Shore A Hardness	34
Elongation (%)	170
Flexibility	Flexible
Modulus (psi)	Medium, 174	Test Method

Other Properties

Glass Transition Temp (Tg) (°C)	-121
Light Refractive Index (RI)	1.4070, 1.3980, 1.3970, 1.4100	Test Method
Specific Gravity	1.040	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 is indicated by the “Use Before” date found on the product label. For best results, Dow 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

Not Good For

Don't Use For	Some solder flux residues, Organotin compounds, Unsaturated hydrocarbon plasitcizers, Organometallic compounds, Silicone rubber containing organot, Polysulfides, Sulfur, Polysulfones, Other sulfur containing materials