| About |
|---|
| High Viscosity, UV-stabilized PC for ophthalmic lenses.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,High Viscosity |
| Availabilitys | Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.20 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 7.00 | cm³/10min | ISO 1133 |
| Water absorption rate | ISO 62 | ||
| Saturation, 23 ℃ | 0.35 | % | |
| Equilibrium, 23 ℃, 50% RH | 0.15 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| — | 2370 | MPa | ASTM D638 |
| — | 2350 | MPa | ISO 527-1-2 |
| tensile strength | ISO 527-2/50 | ||
| yield | 63.0 | MPa | |
| fracture | 70.0 | MPa | |
| Tensile strain | ISO 527-2/50 | ||
| yield | 6.0 | % | |
| fracture | 120 | % | |
| Bending modulus | |||
| 50 mm span | 2370 | MPa | ASTM D790 |
| — | 2300 | MPa | ISO 178 |
| bending strength | 90.0 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 14 | kJ/m² | |
| 23℃ | 73 | kJ/m² | |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 无断裂 | ||
| 23℃ | 无断裂 | ||
| Impact strength of cantilever beam notch | ISO 180/1A | ||
| -30℃ | 12 | kJ/m² | |
| 23℃ | 70 | kJ/m² | |
| Notched impact strength of cantilever beam | ISO 180/1U | ||
| -30℃ | 无断裂 | ||
| 23℃ | 无断裂 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 100 mm span | 127 | ℃ | ISO 75-2/Ae |
| Vicat Softening Temp | |||
| B50 | 143 | ℃ | ISO 306 |
| B120 | 145 | ℃ | ISO 306/B120 |
| Linear coefficient of thermal expansion | |||
| MD：23~80℃ | 7.0E-5 | 1/℃ | ISO 11359-2 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Transmittance | |||
| 2540 µm | 87.0 | % | ASTM D1003 |
| Haze | |||
| 2540 µm | 0.40 | % | ASTM D1003 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Hopper temperature | 60.0 to 80.0 | °C | |
| Barrel rear temperature | 260 to 280 | °C | |
| Barrel middle temperature | 270 to 290 | °C | |
| Barrel front temperature | 280 to 310 | °C | |
| Nozzle temperature | 270 to 290 | °C | |
| Processing (melt) temperature | 280 to 310 | °C | |
| Mold temperature | 80.0 to 110 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.20 in/min |
| 3. 0.051 in/min |
| 4. 0.079 in/min |
| 5. Yield |
| 6. 80*10*3 sp=62mm |
| 7. 80*10*3 |
| 8. 120*10*4 mm |
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