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Polylink Power Cable PP 409/401 (S)
| Category: | XLPE , Crosslinked Polyethylene |
| Manufacturer: | Polylink Polymers (India) Ltd. |
| Trademark: | Polylink Power Cable |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | 9kckOV_Polylink-Power-Cable-PP-409-401-S-.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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A silane grafted Crosslinkable polyethylene compound, curable by exposure to moisture, for insulation of power cables and possessing excellent extrudability at high output rate. PP 409 has been specially developed for cables up to 72 KV. The special formulation and compounding techniques used ensures that the contamination level is kept within the required limits for this voltage grade. PP 409 has general melt index range of 0.7 - 1.0 which provides firm stability during extrusion, especially for the thick insulations required for high voltage. DESCRIPTION : This compound utilizes the system for crosslinking of polyethylenes developed by DOW coming and known as sioplas. It is a two-component system comprising a silylated ethylene polymer known as the graft copolymer PP 409, and a masterbatch PP401 containing a crosslinking catalyst. The two materials normally used in the ratio of 95 parts graft to 5 parts catalyst masterbatch. |
| General Information | |
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| Physical | Nominal Value | Unit | Test Method |
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| Density | 0.925 | g/cm³ | ASTM D1505 |
| Melt Mass-Flow Rate (MFR) (190°C/2.16 kg) | 0.75 | g/10 min | ASTM D1238 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Stress (Break) | 14.5 | MPa | IEC 60811 |
| Tensile Strain (Break) | 400 | % | IEC 60811 |
| Aging | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Change in Tensile Strength in Air (135°C, 168 hr) | 15 | % | IEC 60811 |
| Change in Tensile Strain at Break in Air (135°C, 168 hr) | 10 | % | IEC 60811 |
| Thermal | Nominal Value | Unit | Test Method |
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| Thermoset 1 | IEC 60811 | ||
| Elongation Under Load : 200°C | 100 | % | IEC 60811 |
| Permanent Elongation after Cooling : 200°C | 5.0 | % | IEC 60811 |
| Electrical | Nominal Value | Unit | Test Method |
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| Power factor (23°C) 2 | 4.00E-4 | IEC 250 | |
| Volume Resistivity (20°C) | 1.4E+17 | ohms·cm | IEC 60502 |
| Dielectric Strength | 25 | kV/mm | IEC 60243-1 |
| Dielectric Constant | 2.20 | IEC 60250 |
| Extrusion | Nominal Value | Unit | |
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| Cylinder Zone 1 Temp. | 150 | °C | |
| Cylinder Zone 2 Temp. | 160 | °C | |
| Cylinder Zone 3 Temp. | 170 | °C | |
| Cylinder Zone 4 Temp. | 180 | °C | |
| Adapter Temperature | 190 | °C | |
| Die Temperature | 190 | °C |
| Extrusion instructions |
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| Screw water temperature : 60 to70°CScreens : 30,100,30(mesh apertures per linear inch)L/D Ratio: 20Compression: 2.5:1 |
| Note Message | |
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| 1 . | 15 min, 0.2 N/mm² |
| 2 . | 50 Hz |
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