| About |
|---|
| 18 Melt, Prime Polycarbonate, UV Stabilized, Mold Release, UL-94 HB Rated, Water Clear&& |
| Product Description | |
|---|---|
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Good stripping performance,HB |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.20 | g/cm³ | ASTM D792 |
| Specific volume | 0.835 | cm³/g | ASTM D792 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 18 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.50 to 0.70 | % | ASTM D955 |
| Water absorption rate | ASTM D570 | ||
| 24hr | 0.15 | % | ASTM D570 |
| Equilibrium, 23 ℃ | 0.35 | % | ASTM D570 |
| Equilibrium, 100 ℃ | 0.58 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 690 | J/m | ASTM D256 |
| 23℃ | 3200 | J/m | ASTM D256 |
| Drop hammer impact | |||
| 23℃ | 169 | J | ASTM D3029 |
| Tensile impact strength | 546 | kJ/m² | ASTM D1822 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 6.4 mm | 132 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed, 6.4 mm | 138 | ℃ | ASTM D648 |
| Vicat Softening Temp | 154 | ℃ | ASTM D1525 5 |
| Linear coefficient of thermal expansion | |||
| MD：-40~95℃ | 6.8E-5 | 1/℃ | ASTM E831 |
| specific heat | 1260 | J/kg/℃ | ASTM C351 |
| Thermal conductivity coefficient | 0.19 | W/m/K | ASTM C177 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.586 | ASTM D542 | |
| Transmittance | |||
| 2540 µm | 88.0 | % | ASTM D1003 |
| Haze | |||
| 2540 µm | 1.0 | % | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| fracture | 65.5 | MPa | ASTM D638 |
| yield | 62.1 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 110 | % | ASTM D638 |
| yield | 7.0 | % | ASTM D638 |
| Bending modulus | |||
| 50 mm span | 2340 | MPa | ASTM D790 |
| bending strength | |||
| Yield, 50 mm span | 93.1 | MPa | ASTM D790 |
| Taber abraser | |||
| 1000 cycles, 1000 g, CS-17 wheels | 10.0 | mg | ASTM D1044 |
| Rockwell hardness | ASTM D785 | ||
| M-level | 70 | ASTM D785 | |
| R-level | 118 | ASTM D785 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Type I, 2.0 in/min |
| 3. 0.051 in/min |
| 4. Type S |
| 5. Rate B (120°C/h), Loading 2 (50 N) |
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