| About |
|---|
| LEXAN ML7682 resin is a flame retardant polycarbonate blend featuring high flow, good processability, good impact, good heat resistance, and UV stability. It is of non-chlorine and non-bromine flame retardant systems with UL-94 listing of V0 and 5V. LEXAN ML7682 resin offers limited opaque colors for aesthetics needs.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Excellent Processability,Good surface appearance,High impact resistance,High liquidity,Halogen free,Flame Characteristics,Heat Resistance, Good |
| Availabilitys | Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| — | 1.22 | g/cm³ | ASTM D792 |
| — | 1.21 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 22 | g/10min | ASTM D1238 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 21.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.60 to 0.80 | % | |
| TD：3.2 mm | 0.60 to 0.80 | % | |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.36 | % | |
| Equilibrium, 23 ℃, 50% RH | 0.17 | % | |
| Outdoor applicability | f1 | UL 746C | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| — | 2500 | MPa | ASTM D638 |
| — | 2460 | MPa | ISO 527-1-2 |
| tensile strength | |||
| yield | 60.0 | MPa | ASTM D638 |
| yield | 60.0 | MPa | ISO 527-2/50 |
| fracture | 59.0 | MPa | ASTM D638 |
| fracture | 57.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| yield | 5.6 | % | ASTM D638 |
| yield | 5.3 | % | ISO 527-2/50 |
| fracture | 93 | % | ASTM D638 |
| fracture | 91 | % | ISO 527-2/50 |
| Bending modulus | |||
| 50 mm span | 2400 | MPa | ASTM D790 |
| — | 2430 | MPa | ISO 178 |
| bending strength | |||
| — | 90.0 | MPa | ISO 178 |
| Yield, 50 mm span | 89.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| -30℃ | 16 | kJ/m² | |
| 23℃ | 62 | kJ/m² | |
| Charpy Unnotch Impact strength | |||
| -30℃ | 130 | kJ/m² | |
| 23℃ | 130 | kJ/m² | |
| Impact strength of cantilever beam notch | |||
| -30℃ | 130 | J/m | ASTM D256 |
| 23℃ | 760 | J/m | ASTM D256 |
| -30℃ | 15 | kJ/m² | ISO 180-1A |
| 23℃ | 63 | kJ/m² | ISO 180-1A |
| Notched impact strength of cantilever beam | |||
| -30℃ | 2100 | J/m | ASTM D4812 |
| 23℃ | 2200 | J/m | ASTM D4812 |
| -30℃ | 180 | kJ/m² | ISO 180/1U |
| 23℃ | 180 | kJ/m² | ISO 180/1U |
| Dart impact equipped with measuring instruments | |||
| 23℃，Total Energy | 62.0 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed, 3.2 mm | 131 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed, 100 mm span | 132 | ℃ | ISO 75-2/Be |
| 1.8 MPa, unannealed, 3.2 mm | 119 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed, 100 mm span | 120 | ℃ | ISO 75-2/Ae |
| Vicat Softening Temp | |||
| — | 138 | ℃ | ASTM D1525 11 |
| B120 | 141 | ℃ | ISO 306/B120 |
| Ball pressure test | |||
| 123~127℃ | 通过 | IEC 60695-10-2 | |
| Linear coefficient of thermal expansion | |||
| MD：-40~40℃ | 6.4E-5 | 1/℃ | ASTM E831 |
| MD：23~80℃ | 6.7E-5 | 1/℃ | ISO 11359-2 |
| TD：-40~40℃ | 6.8E-5 | 1/℃ | ASTM E831 |
| TD：23~80℃ | 7.4E-5 | 1/℃ | ISO 11359-2 |
| Relative temperature index | 120 | ℃ | UL 746 |
| Electrical performance | 125 | ℃ | UL 746 |
| Impact mechanical performance | 110 | ℃ | UL 746 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+15 to 1.0E+16 | ohms | ASTM D257 |
| Volume resistivity | 1.0E+15 to 1.0E+16 | ohms·cm | ASTM D257 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.80 mm | |||
| 2.50 mm | 5VA | ||
| Glowing wire flammability index | |||
| 3.0 mm | 960 | ℃ | IEC 60695-2-12 |
| Igniting temperature of the hot wire | |||
| 1 mm | 850 | ℃ | IEC 60695-2-13 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Recommended injection volume | 40 to 60 | % | |
| Barrel rear temperature | 265 to 290 | °C | |
| Barrel middle temperature | 275 to 300 | °C | |
| Barrel front temperature | 290 to 310 | °C | |
| Nozzle temperature | 280 to 305 | °C | |
| Processing (melt) temperature | 290 to 310 | °C | |
| Mold temperature | 70 to 95 | °C | |
| Back pressure | 0.300 to 0.700 | 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. 2.0 in/min |
| 3. Type I, 2.0 in/min |
| 4. 0.051 in/min |
| 5. 0.079 in/min |
| 6. at Yield |
| 7. 80*10*3 sp=62mm |
| 8. 80*10*3 mm |
| 9. 120*10*4 mm |
| 10. Rate A (50°C/h), Loading 2 (50 N) |
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |