| About |
|---|
| Casico FR4820 is a thermoplastic, low smoke zero halogen (LSZH) flame retardant, UV stabilised, natural insulation compound combining with excellent extrusion properties. It is based on the novel technology, Casico, containing inorganic filler and a novel char-forming additive which confer flame retardancy with very limited smoke generation. Applications Casico FR4820 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. Casico FR4820 is stabilised for use in contact with copper. Specifications Casico FR4820 meets the applicable requirements below using sound commercial extrusion practice and testing procedures: ASTM D 1248 Type I, Class A, Category 4 ISO 1872-PE KGHN-23D006 The following cable material standards are met by Casico FR4820: EN 50290-2-26 EN 50363-7 TI6 & TI7 VDE 0207 Teil 23 (HM2) Special features Casico FR4820 consists of specially selected components to offer: Low smoke and reduced toxic or corrosive gas emissions Excellent processing properties Superb system ageing compatibility Low water permeability UV stabilised and suitable for colouring Processability on most PVC/PE extrusion equipment No need for pre-drying normally&& |
| Product Description | |
|---|---|
| Supplier | Borealis AG |
| Generic | PE |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Excellent Processability,Low smoke,Halogen free,Corrosion Resistant,Flame Characteristics,Low toxicity,Moisture resistance,Good coloring |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.15 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 0.90 | g/10min | ISO 1133 |
| Water absorption rate | |||
| 70℃ | 0.100 | mg/cm² | IEC 60811-1-3 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore D, 15 seconds | 40 | ISO 868 | |
| tensile strength | |||
| yield | 13.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| fracture | 550 | % | ISO 527-2 |
| Bending modulus | 215 | MPa | ISO 178 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | < -60.0 | ℃ | ISO 974 |
| Low temperature bending | |||
| -40℃ | Pass | IEC 60811-1-4 | |
| Low temperature shock | |||
| -40℃ | Pass | IEC 60811-1-4 | |
| Temperature index | |||
| Compound | 200 | ℃ | ISO 4589-3 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| The rate of change in tensile strength | IEC 60811-1-2 | ||
| — | > -80 | % | IEC 60811-1-2 |
| 100℃，240 hr | > -80 | % | IEC 60811-1-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+16 | ohms·cm | IEC 60093 |
| Dielectric strength | 20 | kV/mm | IEC 60243-1 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Extreme oxygen index | 27 | % | |
| NBS smoke density | |||
| — | 6.0 | min | |
| — | 49.0 | ||
| — | 20.0 | min | |
| — | 104 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Breakdown Duration | Pass | IEC 60227-2/2.3 | |
| breakdown voltage | 36000 | V | ISO 6722 |
| Cone calorimetry test | ISO 5660 | ||
| Average heat release rate | 244 | kW/m² | ISO 5660 |
| CO | 0.230 | kg/m³ | ISO 5660 |
| CO2 | 17.0 | kg/m³ | ISO 5660 |
| Combustion heat | 29.0 | ISO 5660 | |
| Ignition time | 2.1 | min | ISO 5660 |
| Maximum heat release rate | 400 | kW/m² | ISO 5660 |
| Smoke Obscuration | 520 | ISO 5660 | |
| Corrosion（of Combustion Fumes） | 1.50 | µS/cm | IEC 60754-2 |
| Hot pressing test | |||
| 90℃ | < 50 | % | IEC 60811-3-1 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Barrel 1 zone temperature | 160 | °C | |
| Barrel 2 zone temperature | 170 | °C | |
| Barrel 3 zone temperature | 180 | °C | |
| Barrel 4 zone temperature | 190 | °C | |
| Nozzle temperature | 190 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Compound, ISO 1872-2 |
| 3. Compound |
| 4. 14 days, Cable (0.7 mm insulation over 1.5 mm² solid Cu) |
| 5. Cable (0.7 mm insulation over 1.5 mm² solid Cu) |
| 6. After UV ageing |
| 7. Time to Dmax, (76x76x0.7 mm plaque), Flaming mode |
| 8. Opitical smoke density Dmax, (76x76x0.7 mm plaque), Flaming mode |
| 9. Time to Dmax, (76x76x0.7 mm plaque), Non-flaming mode |
| 10. Opitical smoke density Dmax, (76x76x0.7 mm plaque), Non-flaming mode |
| 11. heat flux 35 kW/m2, 3 mm plaque |
| 12. heat flux 35 kW/m2, 3 mm plaque, MJ/dm3 |
| 13. heat flux 35 kW/m2, 3 mm plaque, m2/dm3 |
| 14. Compound, 5.6 |
| 15. at high temperature, 4 hrs, Cable (0.7 mm insulation over 1.5 mm² solid Cu) |
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