Polymer Systems
Technology Limited
Advanced Engineering
Optoelectronics:
Electronics:
LS-6946
Adhesives/Sealants
Optical Thermoset
DESCRIPTION
- Two-part, optically clear, silicone system that pours
- Cures at room temperature or rapidly with heat
- Offers good physical properties and a broad operating temperature range
- 1:1 Mix Ratio (Part A:B)
APPLICATION
- For bonding, casting or injection molding of high performance optical components
- For applications requiring index matching at 1.46
| Typical Properties | Result | Metric Conv. |
| Uncured: | ||
| Appearance | Translucent | - |
| Viscosity, Part A | 40,000 cP | 40,000 mPas |
| Viscosity, Part B | 35,000 cP | 35,000 mPas |
| Work Time | 2 hours minimum | - |
| Cured : 30 min at 150°C (302°F) | ||
| Specific Gravity | 1.14 | - |
| Durometer, Type A | 30 | - |
| Tensile Strength | 675 psi | 4.7 MPa |
| Elongation | 275 % | - |
| Tear Strength | 40 ppi | 7.1 kN/m |
| Lap Shear (primed w/ LS1-3200) | 510 psi | 3.5 MPa |
| Coefficient of Linear Thermal Expansion, | ||
| above Tg (-80 to 250°C) | 360 ppm/°C | - |
| TGA Takeoff (1% weight loss) | 715°F | 365°C |
| Extractable Ionics | Below MIL-STD-883E | - |
| Young's Modulus | 425 psi | 2.9 MPa |
| Dielectric Strength | 510 volts/mil | 20.1 kV/mm |
| Refractive Index, 589 nm | 1.46 | - |
| Refractive Index vs. Temperature, 589 nm | -3.3 x 10-4/°C | - |
| Refractive Index vs. Wavelength | See Profile PDF | - |
| Optical Absorption vs. Wavelength | See Profile PDF | - |
| Operating Temperature Range | -85 to 465°F | -65 to 240°C |
Packaging
50 Gram Kit
50 ml SxS Kit
2 Pint Kit (910 g)
Warranty
12 Months
Product Profile
Safety Data Sheet
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