| About |
|---|
| PP4821 is a thermoplastic, non-halogen containing, insulation compound based on a polypropylene copolymer. The composition of PP4821 is based on the elements Carbon and Hydrogen. Compounds based on these elements will therefore be the only significant constituents of the fumes due to the combustion of this product. Other elements may be present in concentrations less than 0.1% Applications PP4821 is designed for: 70°C rated insulation for building wires (installation cables), flexible cords, power cables It can be used in areas sensitive to smoke or corrosive and toxic combustion products. PP4821 is stabilised for use in contact with copper.&& |
| Product Description | |
|---|---|
| Supplier | Borealis AG |
| Generic | 聚烯烃，共挤薄膜用聚烯烃 |
| Material Status | Commercial: Active |
| Features | Halogen free,Corrosion Resistant |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.915 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 230℃，2.16kg | 2.8 | g/10min | ISO 1133 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| 15 seconds | 48 | ISO 868 | |
| tensile strength | 18.0 | MPa | IEC 60811-1-1 |
| Tensile strain | |||
| fracture | 600 | % | IEC 60811-1-1 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Low temperature bending | |||
| -20℃ | Pass | IEC 60811-1-4 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Change in Tensile Stress（120℃，336 hr） | > -80 | % | IEC 60754-1 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+16 | ohms·cm | IEC 60093 |
| Dielectric strength | > 20 | kV/mm | IEC 60243-1 |
| Dielectric constant | |||
| 50 Hz | 2.20 | IEC 60250 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Bottle Mean Failure Height | Pass | IEC 60227-2/2.3 | |
| breakdown voltage | 27000 | V | ISO 6722 |
| Cone calorimetry test | ISO 5660 | ||
| Average heat release rate | 400 | kW/m² | ISO 5660 |
| CO | 24.0 | kg/m³ | ISO 5660 |
| CO2 | 2400 | kg/m³ | ISO 5660 |
| Combustion heat | 37.5 | ISO 5660 | |
| Ignition time | 1.3 | min | ISO 5660 |
| Maximum heat release rate | 1330 | kW/m² | ISO 5660 |
| Smoke Obscuration | 476 | ISO 5660 | |
| Hot pressing test | |||
| 120℃ | 15 | % | IEC 60811-3-1 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 100 | °C | |
| Drying time | 2.0 | hr | |
| Barrel 1 zone temperature | 190 | °C | |
| Barrel 2 zone temperature | 200 | °C | |
| Barrel 3 zone temperature | 220 | °C | |
| Barrel 4 zone temperature | 220 | °C | |
| Nozzle temperature | 220 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. Heat flus 35 kW/m², 3 mm plaque |
| 4. Heat flus 35 kW/m², 3 mm plaque, Mj/dm3 |
| 5. Heat flus 35 kW/m², 3 mm plaque, m2/dm3 |
| 6. at High Temperatureat 4 hours. Cable (0.5 mm insulation over 1.5 mm² solid Cu) |
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