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)
| Typical Properties | Result | Metric Conv. |
| Uncured: | ||
| Appearance | Transparent | - |
| Viscosity | 5,800 cP Part A / 90 cP Part B | 5,800 mPas Part A / 90 mPas Part B |
| Viscosity (Parts A and B mixed) | 5,300 cP | 5,300 mPas |
| Work Time | 5 hours | - |
| Tack-Free Time | 15 hours | - |
| UV/Visible Spectrophotometry at 400 nm 1 cm path length | 98% Transmittance | - |
| Cured : Cured 15 min at 150°C (302°F) | ||
| Specific Gravity | 1.03 | - |
| Durometer, Type A | 50 | - |
| Tensile Strength | 1,300 psi | 9.0 MPa |
| Elongation | 95% | - |
| Tear Strength | 20 ppi | 3.5 kN/m |
| Refractive Index, 589 nm | 1.41 | - |
| Dielectric Strength | 500 volts/mil | 19.7 kV/mm |
| Volume Resistivity | 1 x 1015 | - |
| Thermooptic Coefficient | -3.5 x10-4/°C | - |
| Refractive Index vs. Wavelength | See Profile PDF | - |
| Optical Absorption vs. Wavelength | See 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
Material Safety Data Sheet EU EN
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