Clara S
Clara S: Clear
Clara S is a clear plastic with excellent resistance against humidity and moisture. Its key property is transparency, which sees it used in a range of applications including car headlights.The main reason why customers chose Clara S is for its transparency, but it has other advantageous properties too. It is easy to recoat and cleaning quick and easy.
Advantages
Transparent, excellent optical clarity, Resistant to humidity and moisture, Easy to process and finish, Simulates acrylic effect.
Applications
Master patterns, Concepts and prototypes, Fluid flow analysis, Optical testing, Car headlights.
Clara S material property table
Liquid properties
| Appearance | Clear | |
| Viscosity | 312~420 cps | @ 25°C (77°F) |
| Density | 1.13 g/cm³ | @ 25°C (77°F) |
Optical properties
| Ec | 7.7 mJ/cm2 | [critical exposure] |
| Dp | 0.18 | [slope of cure-depth vs. In(E) curve] |
| Dp | 0.18 | [slope of cure-depth vs. In(E) curve] |
Mechanical Properties (90 Minutes UV Postcure)
| ASTM Method | Property Description | Value |
|---|---|---|
| ASTM D 638 | Tensile Modulus | 2590-2760 MPa |
| ASTM D 638 | Tensile Strength at Break | 44-62 MPa |
| ASTM D 638 | Elongation at Break | 7-11% |
| ASTM D 638 @66PSIASTM | Heat Deflection Temperature | 40~51°C |
| ASTM D 790 | Flexural Strength | 75-84 Mpa |
| ASTM D 790 | Flexural Modulus | 2670-2870 Mpa |
| ASTM D 256 | Izod Impact (Notched) | 27-38 J/m |
| ASTM D 2240 | Hardness Shore D | 83 |
* These values may vary and depend on individual machine processing and post-curing practices.