| About |
|---|
| LEXAN HFD4271 is a 10% glass filled, high flow, impact modified, injection moldable grade designed for high flow and superior surface appearance. HFD4271 has enhanced mold release, impact ductility and broad color space.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Good surface appearance,High impact resistance,High liquidity,Ductility,Good stripping performance,HB |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.26 | g/cm³ | ASTM D792 |
| Density | 1.25 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 15 | g/10min | ASTM D1238 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 14.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| TD：3.2 mm | 0.40 to 0.50 | % | Internal Method |
| MD：3.2 mm | 0.20 to 0.30 | % | Internal Method |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.13 | % | ISO 62 |
| Equilibrium, 23 ℃, 50% RH | 0.040 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3700 | MPa | ASTM D638 |
| tensile strength | |||
| fracture | 48.0 | MPa | ISO 527-2/5 |
| fracture | 39.0 | MPa | ASTM D638 |
| yield | 53.0 | MPa | ASTM D638 |
| yield | 59.0 | MPa | ISO 527-2/5 |
| Tensile strain | |||
| fracture | 9.0 | % | ISO 527-2/5 |
| yield | 3.0 | % | ASTM D638 |
| yield | 3.0 | % | ISO 527-2/5 |
| Bending modulus | |||
| 50 mm span | 3300 | MPa | ASTM D790 |
| bending strength | |||
| Yield, 50 mm span | 95.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 9.0 | kJ/m² | ISO 179/1eA |
| 23℃ | 18 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 100 | kJ/m² | ISO 179/1eU |
| 23℃ | 110 | kJ/m² | ISO 179/1eU |
| Impact strength of cantilever beam notch | ISO 180/1A | ||
| 23℃ | 230 | J/m | ASTM D256 |
| 23℃ | 1700 | J/m | ASTM D4812 |
| -30℃ | 9.0 | kJ/m² | ISO 180-1A |
| 23℃ | 20 | kJ/m² | ISO 180-1A |
| Notched impact strength of cantilever beam | ISO 180/1U | ||
| -30℃ | 68 | kJ/m² | ISO 180/1U |
| 23℃ | 93 | kJ/m² | ISO 180/1U |
| Dart impact equipped with measuring instruments | |||
| 23℃，Total Energy | 36.0 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 3.2 mm | 125 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed, 3.2 mm | 131 | ℃ | ASTM D648 |
| Vicat Softening Temp | |||
| B120 | 135 | ℃ | ISO 306/B120 |
| Ball pressure test | |||
| 125℃ | Pass | IEC 60695-10-2 | |
| Linear coefficient of thermal expansion | |||
| TD：23~80℃ | 8.0E-5 | 1/℃ | ISO 11359-2 |
| TD：-40~40℃ | 7.0E-5 | 1/℃ | ASTM E831 |
| MD：23~80℃ | 3.0E-5 | 1/℃ | ISO 11359-2 |
| MD：-40~40℃ | 4.0E-5 | 1/℃ | ASTM E831 |
| Relative temperature index | |||
| Electrical performance | 80.0 | ℃ | UL 746 |
| Strength mechanical performance | 80.0 | ℃ | UL 746 |
| Impact mechanical performance | 80.0 | ℃ | UL 746 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 0.40 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 121 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Drying time, maximum | 48 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Recommended injection volume | 40 to 60 | % | |
| Barrel rear temperature | 266 to 288 | °C | |
| Barrel middle temperature | 277 to 299 | °C | |
| Barrel front temperature | 288 to 310 | °C | |
| Nozzle temperature | 282 to 304 | °C | |
| Processing (melt) temperature | 288 to 310 | °C | |
| Mold temperature | 71 to 93 | °C | |
| Back pressure | 0.345 to 0.689 | MPa | |
| Screw speed | 40 to 70 | rpm | |
| Vent depth | 0.025 to 0.076 | mm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.20 in/min |
| 3. Type I, 0.20 in/min |
| 4. 0.051 in/min |
| 5. 80*10*3 sp=62mm |
| 6. 80*10*3 mm |
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