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low consistency elastomers advancedengineering electronics/optoelectronics

LS2-6140

OPTICALLY CLEAR PRIMERLESS SILICONE ENCAPSULANT

 

Description

  • Two Part, Transparent, 1:1 Mix ratio (A:B)
  • Low volatility and high purity
  • High tensile strength, low viscosity
  • REACh and RoHS compliant
  • Tested per UL-94 and passed V-0
  • Requires heat to cure

Applications

  • Designed for optically harsh environments such as High Power LED and UV LED packages
  • Adheres to ceramic, PPA and aluminum without a primer (See Appendix 1)
  • Has excellent thermal stability (See Appendix 1)
  • Protects electrical components and assemblies against shock, vibration, moisture, dust, chemicals, and other environmental hazards

Product Details

Property Average result
Tensile 1,130 psi
Viscosity 2,740 cP
Durometer 50 Type A
Appearance Transparent
Cte 330 ppm/°C
Cure 60 minutes / 150 °C
Cure System Platinum
Elongation 150 %
Ionic Content Cl <2.5 ppm
Ionic Content K <2.5 ppm
Ionic Content Na <5 ppm
Lap Shear 477 psi
Mix Ratio 1:1
Refractive Index 1.41
Specific Gravity 1.03
Volatile Content 1 %
Volume Resistivity 1,100,000,000,000,000 ohmcm
Comment Low Volatility, 1.41 Refractive Index at 589nm. Long pot life and requires heat to cure (80 C). Primerless adhesion to ceramic, plastics and metals. Tested per UL94 and passes V0.
Display in metric units
 

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

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