Dymax Light-Cap 9622 is designed for rapid, room temperature coating of LED arrays. Light-Cap 9622 is optimized for applications where production speed is critical and the continuous operating temperature is below 100°C.
FEATURES:
- UV/Visible light cure for fastest processing
- High viscosity for dome shape
- Very low VOCs
- One part, no mixing required
- Heat resistant to 100°C
- Resistant to long-term UV exposure
- High-light transmittance
- Durometer between silicone and epoxy
APPLICATIONS:
- Instant casting of LEDs
- LED die attach
- Colorless cavity molding
- Rapid forming of protective optical lens for high-intensity LEDs
Uncured properties | ||
Property | Value | Test method |
Solvent content | No nonreactive solvents | N/A |
Chemical class | Acrylated urethane | N/A |
Appearance | Clear transparent gel | N/A |
Soluble in | Organic solvents | N/A |
Density, g/ml | 1.10 | ASTM D1875 |
Viscosity, cP (20rpm) | 12,000 (nominal) | ASTM D1084 |
Cured mechanical properties | ||
Property | Value | Test method |
Durometer hardness | D65 | ASTM D2240 |
Tensile at break, MPa [psi] | 7.6 [1100] | ASTM D638 |
Elongation at break, % | 8 | ASTM D638 |
Modulus of Elasticity, MPa [psi] | 110 [16,000] | ASTM D638 |
Glass Transition Tg, | 88 | DSTM 256 |
Other cured properties | ||
Property | Value | Test Method |
Refractive index (20° C) | 1.49 | ASTM D542 |
Boiling water absorption, % (2 hr) | 3.3 | ASTM D570 |
Water absorption, % (25°C, 24 hr) | 1.4 | ASTM D570 |
Linear shrinkage, % | 1.6 | ASTM D2566 |