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API PS 425
| Category: | PS (MIPS) , Medium Impact Polystyrene |
| Manufacturer: | American Polymers, Inc. |
| Trademark: | API PS |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | Sb80R3_API-PS-425.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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API 425 is a medium impact grade of polystyrene for injection molding. API 425 has good gloss, easy flow, and fast cycling properties, Application: API 425 is widely used in cosmetic packaging, food packaging, cassettes, caps, and closures. |
| General Information | |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.04 | g/cm³ | ASTM D792 |
| Melt Mass-Flow Rate (MFR) (200°C/5.0 kg) | 8.0 | g/10 min | ASTM D1238 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Rockwell Hardness (L-Scale) | 48 | ASTM D785 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 1930 | MPa | ASTM D638 |
| Tensile Strength (Break) | 33.1 | MPa | ASTM D638 |
| Tensile Elongation (Break) | 24 | % | ASTM D638 |
| Flexural Modulus | 2100 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact (3.18 mm, Injection Molded) | 53 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
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| Deflection Temperature Under Load (1.8 MPa, Annealed) | 87.2 | °C | ASTM D648 |
| Vicat Softening Temperature | 94.4 | °C | ASTM D1525 |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 71.1 to 82.2 | °C | |
| Drying Time | 2.0 | hr | |
| Suggested Max Regrind | 30 | % | |
| Rear Temperature | 177 to 232 | °C | |
| Front Temperature | 191 to 274 | °C | |
| Mold Temperature | -6.67 to 71.1 | °C | |
| Injection Pressure | 34.5 to 276 | MPa | |
| Back Pressure | 0.0689 to 3.45 | MPa |
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|---|---|---|---|
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