| Product Description | ||||
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API 545 is a high impact, high heat resistant grade of impact modified polystyrene. This material features fast set-up as well as easy colorability.
Application: API 545 is suggested for heavy parts with large cross section requiring high impact resistance. Housings, tote bins, and shoe heels are some examples. |
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| General | ||||
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Material Status
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Availability
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Features
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Uses
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Forms
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Processing Method
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| Physical |
Nominal Value
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Unit
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Test Method
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Specific Gravity
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ASTM D792 |
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Melt Mass-Flow Rate (MFR) (200°C/5.0 kg)
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g/10 min
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ASTM D1238 |
| Mechanical |
Nominal Value
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Unit
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Test Method
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Tensile Modulus
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psi
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ASTM D638 |
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Tensile Strength (Break)
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psi
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ASTM D638 |
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Tensile Elongation (Break)
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%
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ASTM D638 |
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Flexural Modulus
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psi
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ASTM D790 |
| Impact |
Nominal Value
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Unit
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Test Method
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Notched Izod Impact (0.125 in, Injection Molded)
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ft·lb/in
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ASTM D256 |
| Hardness |
Nominal Value
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Unit
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Test Method
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Rockwell Hardness (L-Scale)
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ASTM D785 |
| Thermal |
Nominal Value
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Unit
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Test Method
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Deflection Temperature Under Load (264 psi, Annealed)
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°F
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ASTM D648 |
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Vicat Softening Temperature
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°F
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ASTM D1525 |
| Related Terminology | |||
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Product names can be difficult to match. You may have searched any one of these terms to find this product: API PS 545, API PS , APIPS545, APIPS, PS 545, PS545, PS, 545, Polystyrene, High Impact, Polystyrene High Impact, PS (HIPS), PS HIPS, Polystyrene, American Poly, PolystyreneHighImpact, PSHIPS, 545PS
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| Features | |||
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Features may also be described by the following terms: Good Colorability, High Heat Resistance, High Impact Resistance.
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| Uses | |||
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Uses may also be described by the following terms: Tool Box, Tote Box, Tool/Tote Box, Housings, Housing.
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| Injection |
Nominal Value
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Unit
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Drying Temperature
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°F
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Drying Time
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hr
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Suggested Max Regrind
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%
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Rear Temperature
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°F
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Front Temperature
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°F
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Mold Temperature
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°F
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Injection Pressure
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psi
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Back Pressure
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psi
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| Notes |
| 1Typical properties: these are not to be construed as specifications. |

