Polymer Systems
Technology Limited

Advanced Engineering

Optoelectronics:

LS-6941

Potting and Encapsulating Elastomers

Optical Thermoset

DESCRIPTION
  • Two-part, optically clear, solvent free, low viscosity silicone
  • Cures at room temperature or rapidly with heat
  • 10:1 Mix Ratio (Part A:B)
APPLICATION
  • For bonding, casting or injection molding of high performance optical components
  • For applications requiring index matching at 1.41
  • For applications requiring an operating temperature range of -65 to 240°C (–85 to 465°F)
PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTransparent-
Viscosity5,800 cP Part A / 90 cP Part B5,800 mPas Part A / 90 mPas Part B
Viscosity (Parts A and B mixed)5,300 cP5,300 mPas
Work Time5 hours-
Tack-Free Time15 hours-
UV/Visible Spectrophotometry at 400 nm 1 cm path length98% Transmittance-
Cured : Cured 15 min at 150°C (302°F)
Specific Gravity1.03-
Durometer, Type A50-
Tensile Strength1,300 psi9.0 MPa
Elongation95%-
Tear Strength20 ppi3.5 kN/m
Refractive Index, 589 nm1.41-
Dielectric Strength500 volts/mil19.7 kV/mm
Volume Resistivity1 x 1015-
Thermooptic Coefficient-3.5 x10-4/°C-
Refractive Index vs. WavelengthSee Profile PDF-
Optical Absorption vs. WavelengthSee Profile PDF-

Packaging

37 mL SxS Kit
50 Gram Kit
1 Pint Kit (505 g)
1 Gallon Kit (4.04 kg)
5 Gallon Kit (20.2 kg)

Warranty

12 Months

Product Profile - Full Details Product Profile
Material Safety Data Sheet EU EN Material Safety Data Sheet

Biomaterials

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Tubing

Food Medical Industrial Grade Silicone Tubing
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Equipment

Silicone Mixing Dispensing Degassing Equipment
Mixing Dispensing & Degassing Equipment for Silicone