Polylac® PA-746 High Flow Medium Impact ABS Resin
POLYLAC PA-746 is CHIMEI’s high-flow ABS resin. It has a melt flow index of 29 ml/10min and impact strength of 28 KJ/m2. This resin is ideal for thin-wall parts, offering easy molding of complex shapes. It maintains strength at low temperatures and resists heat well. With 39 MPa tensile strength and 60 MPa flexural strength, PA-746 is perfect for gadget cases and appliance components. Manufacturers value its processability and durability.
- Application: Suitable for thin wall and high impact strength molding parts
- Character: High flowability, high impact strength
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Polylac® PA-746 Datasheet
| High Flow ABS POLYLAC® PA-746 | ||||
| Product Description: High flow, Medium impact | ||||
| Properties | ISO Test Method | Test Condition | Unit | PA-746 |
| Melt Flow Index | 1133 | 220℃×10KG | ml/10 min | 29 |
| Mass Density | 1183 | 23 ℃ | g/cm3 | 1.03 |
| Tensile Strength | 527 | 50 mm/min, yield | MPa | 39 |
| 50 mm/min, break | MPa | 29 | ||
| Tensile Elongation | 527 | 50 mm/min | % | 35 |
| Flexural Strength | 178 | 2 mm/min | MPa | 60 |
| Flexural Modulus | 178 | 2 mm/min | GPa | 1.8 |
| Izod Impact Strength | 180/1A | 23℃, Notched | KJ/m2 | 28 |
| -30℃, Notched | KJ/m2 | 12 | ||
| Charpy Impact Strength | 179 | 23℃, Notched | KJ/m2 | 30 |
| -30℃, Notched | KJ/m2 | 14 | ||
| Vicat Softening Temp. | 306 | 50℃/hr;1KG | ℃ | 103 |
| 50℃/hr;5KG | ℃ | 94 | ||
| Heat Distortion Temp. | 75/A | 1.8MPa, unannealed | ℃ | 82 |
| 1.8MPa, annealed | ℃ | 96 | ||
| Coefficient of Linear Thermal Expansion | 11359 | – | – | 9.2 x 10-5 |
| Flammability | – | UL-94 | – | 1.5mm HB |
| Mold Shrinkage | 294-4 | – | % | 0.4~0.7 |
| Symbol | 1043 | – | – | >ABS< |
| March 11, 2024 | ||||
Polylac® PA-746 UL Product iQ
| POLYLAC® PA-746 UL Product iQ | ||
| File Number: E56070 | Yellow Card™ | Acrylonitrile Butadiene Styrene (ABS) “POLYLAC”, furnished as pellets |
| FLAMMABILITY PROPERTIES | VALUE | TEST METHOD |
| Flammability | ANSI/UL 94 | |
| 1.5 mm, Color: ALL | HB | |
| 3.0 mm, Color: ALL | HB | |
| ISO/IEC FLAMMABILITY PROPERTIES | VALUE | TEST METHOD |
| Flammability | IEC 60695-11-10 | |
| 1.5 mm, Color: ALL | HB75 | |
| 3.0 mm, Color: ALL | HB40 | |
| ELECTRICAL PROPERTIES | VALUE | TEST METHOD |
| Hot-wire Ignition (HWI) | UL 746A | |
| 1.5 mm | PLC 4 | |
| 3.0 mm | PLC 3 | |
| High Amp Arc Ignition (HAI) | UL 746A | |
| 1.5 mm | PLC 0 | |
| 3.0 mm | PLC 0 | |
| Comparative Tracking Index (CTI) | PLC 0 | UL 746A |
| High Voltage Arc Tracking Rate (HVTR) | PLC 2 | |
| Volume Resistivity | 1.0E+16 ohms·cm | ASTM D257/IEC |
| 60093 | ||
| High Voltage, Low Current Arc Resistance | PLC 6 | |
| THERMAL PROPERTIES | VALUE | TEST METHOD |
| Relative Thermal Index – Electrical Strength | UL 746B | |
| 1.5 mm | 85 °C | |
| 3.0 mm | 85 °C | |
| Relative Thermal Index – Mechanical Impact | UL 746B | |
| 1.5 mm | 80 °C | |
| 3.0 mm | 80 °C | |
| Relative Thermal Index – Mechanical Strength | UL 746B | |
| 1.5 mm | 85 °C | |
| 3.0 mm | 85 °C | |
| Report Date: 1983-06-23 | ||
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