| About |
|---|
| Limited Use. LEXAN resin ML7694 is a flame retardant polycarbonate grade with 10% glass fiber reinforcement.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Flame Characteristics,V-0,5VA |
| Availabilitys | Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.25 | g/cm³ | ASTM D792 |
| Specific volume | 0.800 | cm³/g | ASTM D792 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 7.5 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.20 to 0.40 | % | Internal Method |
| Water absorption rate | |||
| Equilibrium, 23 ℃ | 0.31 | % | ASTM D570 |
| Weathering resistance | f1 | UL 746C | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| fracture | 53.0 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 15 | % | ASTM D638 |
| Bending modulus | |||
| 50 mm span | 3440 | MPa | ASTM D790 |
| bending strength | |||
| Yield, 50 mm span | 100 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 100 | J/m | ASTM D256 |
| -30℃ | 9.0 | kJ/m² | ISO 180-1A |
| 23℃ | 10 | kJ/m² | ISO 180-1A |
| Notched impact strength of cantilever beam | |||
| 23℃ | 2100 | J/m | ASTM D4812 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed, 6.4 mm | 146 | ℃ | |
| 1.8 MPa, unannealed, 6.4 mm | 142 | ℃ | |
| Vicat Softening Temp | 154 | ℃ | ASTM D1525 7 |
| Linear coefficient of thermal expansion | |||
| MD：-40~95℃ | 3.2E-5 | 1/℃ | ASTM E831 |
| Thermal conductivity coefficient | 0.20 | W/m/K | ASTM C177 |
| Relative temperature index | 125 | ℃ | UL 746 |
| Electrical performance | 120 | ℃ | UL 746 |
| Impact mechanical performance | 110 | ℃ | UL 746 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | > 1.0E+17 | ohms·cm | ASTM D257 |
| Dielectric strength | |||
| 3.2 mm in air | 18 | kV/mm | ASTM D149 |
| Arc resistance | PLC 7 | ASTM D495 | |
| Compared to the leakage tracing index | PLC 4 | UL 746 | |
| High Arc Burning Index (HAI) | PLC 1 | UL 746 | |
| High voltage arc marking rate | |||
| HVTR | PLC 3 | UL 746 | |
| Hot wire ignition | |||
| HWI | PLC 1 | UL 746 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 1.52 mm | V-0 | ||
| 2.99 mm | 5VA |
| 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 | % | |
| Notes |
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