| About |
|---|
| High impact polystyrene combining high toughness and high stiffness with good flowability for easy processing. Designed for injection moulding of technical parts, housings and covers. Especially recommended for gas assisted technology. RT 441M is certified BS1415/94 acc. IEC65-20-2 at 2.5 mm. Designation: Thermoplastics ISO 2897-PS-I,M,O88-O6-07-18 Applications Business machine covers, electrical appliances, electroventilator housings, consumer electronics, front frames, cabinet and back cover for TV sets.&& |
| Product Description | |
|---|---|
| Generic | PS (HIPS) |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Excellent Processability,High impact resistance,Good liquidity,Food contact compliance,Ultra high toughness,HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.04 | g/cm³ | ISO 1183 |
| Apparent density | 0.65 | g/cm³ | ISO 60 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 7.5 | g/10min | ISO 1133 |
| Shrinkage rate | 0.40 to 0.70 | % | Internal Method |
| Water absorption rate | |||
| 23℃，24hr | < 0.10 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，3.2mm | 110 | J/m | ISO 180-4A |
| -30℃ | 6.0 | kJ/m² | ISO 180-1A |
| 23℃ | 8.0 | kJ/m² | ISO 180-1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, annealed | 84.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | |||
| A50 | 97.0 | ℃ | ISO 306/A50 |
| B50 | 89.0 | ℃ | ISO 306 |
| Linear coefficient of thermal expansion | |||
| MD | 9.0E-5 | 1/℃ | ASTM D696 |
| Thermal conductivity coefficient | 0.17 | W/m/K | ISO 8302 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.5E+15 | ohms | IEC 60093 |
| Volume resistivity | > 7.0E+15 | ohms·cm | IEC 60093 |
| Dielectric strength | 65 | kV/mm | IEC 60243-1 |
| Dielectric constant | |||
| 50 Hz | 2.50 | IEC 60250 | |
| Dissipation factor | |||
| 50 Hz | 3.1E-4 | IEC 60250 | |
| Compared to the leakage tracing index | |||
| Solution A | 500 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.50 mm, all colors | HB | UL 94 | |
| Igniting temperature of the hot wire | |||
| 1.6 mm | 650 | ℃ | IEC 60695-2-13 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Designation | Thermoplastics ISO 2897-PS-I,M,088-06-07-18 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| Level L | 75 | ISO 2039-2 | |
| Tensile modulus | 2000 | MPa | ISO 527-1-2 |
| tensile strength | ISO 527-2/50 | ||
| yield | 22.0 | MPa | ISO 527-2/50 |
| fracture | 24.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| fracture | 60 | % | ISO 527-2/50 |
| bending strength | 45.0 | MPa | ISO 178 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Processing (melt) temperature | 210 to 260 | °C | |
| Mold temperature | 20 to 60 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.079 in/min |
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