| Product Description | ||||
|
API 550-HF is a high impact grade of polystyrene. It is characterized by good impact and processability. API 550-HF offers good retention of mechanical properties in applications with long flow length requirements.
|
||||
| General | ||||
|
Material Status
|
|
|||
|
Availability
|
|
|||
|
Features
|
|
|||
|
Forms
|
|
|||
|
Processing Method
|
|
|||
| Physical |
Nominal Value
|
Unit
|
Test Method
|
|
Specific Gravity
|
|
|
ASTM D792 |
|
Melt Mass-Flow Rate (MFR) (200°C/5.0 kg)
|
|
g/10 min
|
ASTM D1238 |
| Mechanical |
Nominal Value
|
Unit
|
Test Method
|
|
Tensile Modulus
|
|
psi
|
ASTM D638 |
|
Tensile Strength (Break)
|
|
psi
|
ASTM D638 |
|
Tensile Elongation (Break)
|
|
%
|
ASTM D638 |
|
Flexural Modulus
|
|
psi
|
ASTM D790 |
| Impact |
Nominal Value
|
Unit
|
Test Method
|
|
Notched Izod Impact (0.125 in, Injection Molded)
|
|
ft·lb/in
|
ASTM D256 |
| Hardness |
Nominal Value
|
Unit
|
Test Method
|
|
Rockwell Hardness (L-Scale)
|
|
|
ASTM D785 |
| Thermal |
Nominal Value
|
Unit
|
Test Method
|
|
Deflection Temperature Under Load (264 psi, Annealed)
|
|
°F
|
ASTM D648 |
|
Vicat Softening Temperature
|
|
°F
|
ASTM D1525 |
| Related Terminology | |||
|
Product names can be difficult to match. You may have searched any one of these terms to find this product: API PS 550-HF, API PS 550HF, API PS , APIPS550HF, APIPS, PS 550 HF, PS 550, 550, PS550-HF, PS550HF, PS550:HF, PS550/HF, PS550+HF, PS550_HF, PS550 HF, PS550, 550-HF, 550HF, 550:HF, 550/HF, 550+HF, 550_HF, 550 HF, PS, Polystyrene, High Impact, Polystyrene High Impact, PS (HIPS), PS HIPS, Polystyrene, American Poly, PolystyreneHighImpact, PSHIPS, HF550, 550PS
|
|||
| Features | |||
|
Features may also be described by the following terms: Good Processability, Easy Processing, High Impact Resistance.
|
|||
| Injection |
Nominal Value
|
Unit
|
|
|
Drying Temperature
|
|
°F
|
|
|
Drying Time
|
|
hr
|
|
|
Suggested Max Regrind
|
|
%
|
|
|
Rear Temperature
|
|
°F
|
|
|
Front Temperature
|
|
°F
|
|
|
Mold Temperature
|
|
°F
|
|
|
Injection Pressure
|
|
psi
|
|
|
Back Pressure
|
|
psi
|
| Notes |
| 1Typical properties: these are not to be construed as specifications. |
|
UL and the UL logo are trademarks of UL LLC © 2013. All Rights Reserved.
The information presented on this datasheet was acquired by UL IDES from the producer of the material. UL IDES makes substantial efforts to assure the accuracy of this data. However, UL IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier. |