| About |
|---|
| SH53C is a polypropylene that displays improved heat resistance and dimensional stability when compared to other high gloss PP brands. Often, other high gloss brands have the gloss but a much lower resistance to thermal strain, unsuitable for use in electric heating equipment. This grade is popularly used in high-temperature electric heating equipment.&& |
| Product Description | |
|---|---|
| Supplier | HANWHA |
| Generic | PP not specified |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Excellent Processability,Good surface appearance,High impact resistance,Good Dimensional Stability,High Heat Resistance,Durability,Solvent resistance,High scratch resistance,Heat Stabilized,HB |
| Availabilitys | North America,Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.15 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 230℃，2.16kg | 11 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD：2.0 mm | 1.0 to 1.3 | % | ASTM D955 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 41 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 142 | ℃ | ASTM D648 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 103 | ASTM D785 | |
| tensile strength | |||
| yield | 35.3 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 15 | % | ASTM D638 |
| Bending modulus | 3330 | MPa | ASTM D790 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Barrel rear temperature | 170 to 190 | °C | |
| Barrel middle temperature | 180 to 200 | °C | |
| Barrel front temperature | 180 to 210 | °C | |
| Nozzle temperature | 180 to 210 | °C | |
| Mold temperature | 50 to 70 | °C | |
| Injection pressure | 39.2 to 68.6 | MPa | |
| Back pressure | 0.490 to 1.96 | MPa | |
| Notes |
|---|
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