Optix Properties
| Physical | Test method | Units | OPTIX |
|---|---|---|---|
| Specific Gravity | ASTM D-792 | 1.19 | |
| Optical Refractive Index | ASTM D-542 | nD | 1.49 |
| Light Transmission -Total | ASTM D-1003 | % | 92 |
| Light Transmission - Haze | ASTM D-1003 | % | 2 |
| Sound Transmission | ASTM E90 | db | 27 |
| Water Absorption | ASTM D-570 | % By wt | 0.4 |
| Shrinkage | ASTM D-702 | % | <5 |
| Chemical | Test method | Units | OPTIX |
|---|---|---|---|
| Resistance to Stress - Critical Crazing Stress to: Isopropyl Alcohol | ARTC Modification of MIL-P6997 | 900 | |
| Resistance to Stress - Critical Crazing Stress to: Lacquer Thinner | ARTC Modification of MIL-P6997 | 500 | |
| Resistance to Stress - Critical Crazing Stress to: Toluene | ARTC Modification of MIL-P6997 | 1,300 | |
| Resistance to Stress - Critical Crazing Stress to: Solvesso 100 | ARTC Modification of MIL-P6997 | 1,600 |
| Mechanical | Test method | Units | OPTIX |
|---|---|---|---|
| Tensile Strength | ASTM D-638 | psi | 11,030 |
| Tensile Elongation – Max. | ASTM D-638 | % | 5.8 |
| Tensile Modulus of Elasticity | ASTM D-638 | psi | 490,000 |
| Flexural Strength | ASTM D-790 | psi | 17,000 |
| Flexural Modulus of Elasticity | ASTM D-790 | psi | 490,000 |
| Izod Impact Strength – Molded Notch | ASTM D-256 | ft-lb/in Notch | 0.4 |
| Izod Impact Strength – Milled Notch | ASTM D-256 | ft-lb/in Notch | 0.28 |
| Tensile Impact Strength | ASTM D-1822 | ft-lb/in^2 | 20 |
| Abrasion Resistance - Change in Haze - 0 cycles | ASTM D-1044 | Haze, % | 0 |
| Abrasion Resistance - Change in Haze - 10 cycles | ASTM D-1044 | Haze, % | 11.2 |
| Abrasion Resistance - Change in Haze - 50 cycles | ASTM D-1044 | Haze, % | 24 |
| Abrasion Resistance - Change in Haze - 200 cycles | ASTM D-1044 | Haze, % | 24.9 |
| Rockwell Hardness | ASTM D-785 | M-95 |
| Thermal | Test method | Units | OPTIX |
|---|---|---|---|
| Maximum Recommended Continuous Service Temperature | °F | 170-190 | |
| Softening Temperature | °F | 210-220 | |
| Melting Temperature | °F | 300-315 | |
| Melt Flow Rate | ASTM D-1238 | g/10 min. | 1.5 |
| Deflection Temperature 264 psi | ASTM D-648 | °F | 203 |
| Deflection Temperature 66 psi | ASTM D-648 | °F | 207 |
| Coefficient of Thermal Expansion - 30 to 30°C | ASTM D-696 | in/(in-°F ) x 10-5 | 3.0 |
| Thermal Conductivity | ASTM C-177 | BTU-ft/(hr-ft^2-°F) | 0.075 |
| Flammability (Burning Rate | ASTM D-635 | In/minute | 1.019 |
| Smoke Density Rating | ASTM D-2843 | % | 3.4 |
| Self-Ignition Temperature | ASTM D-1929 | °F | 833 |
| Flame Spread Index | ASTM E84 | 115 | |
| Smoke Developed Index | ASTM E84 | 550 |