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POLIGOM R/75
| Category: | EPDM , Ethylene Propylene Diene Terpolymer |
| Manufacturer: | Crosspolimeri S.p.A. |
| Trademark: | POLIGOM |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | p7Aaft_POLIGOM-R-75.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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POLIGOM is the trade-mark of our crosslinkable EPDM compound (phthalate plasticizers free). POLIGOM R/75 is a chemically crosslinkable rubber for low voltage cable insulation and sheathing suitable for G7. It is a conveniently grafted compound able to react in presence of moisture and of a catalyst. We normally suggest our catalyst type MAC/202 or MAC/203. FOR SOLAR CABLES INSULATION WE SUGGEST TO USE CATALYST MAC/520 at 7-7,5 %. REACTION BETWEEN GRAFTING AND CATALYST: These two compounds, separately stored, must be mixed before starting extrusion in the ratio: GRAFTING/CATALYST 94/6 |
| General Information | |
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| Features |
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| Uses |
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| Agency Ratings |
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| Forms |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Density | 0.920 | g/cm³ | ISO 1183 |
| Melt Mass-Flow Rate (MFR) (190°C/5.0 kg) | 1.0 - 4.0 | g/10 min | ASTM D1238 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore A) | 92 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Stress (Yield) | 14.0 | MPa | IEC 60811 |
| Tensile Strain (Break) | 750 | % | IEC 60811 |
| Elongation at break- 40 hr (127°C) | PASS | IEC 60811 | |
| Tensile strength- 40 hr (127°C) | PASS | IEC 60811 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Thermoset 1 | IEC 60811 | ||
| 250°C | 55 | % | IEC 60811 |
| Residual : 250°C | 0.0 | % | IEC 60811 |
| Aging | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Change in Tensile Strength in Air (150°C, 168 hr) | -8.0 | % | IEC 60811 |
| Change in Tensile Strain at Break in Air (150°C, 168 hr) | -17 | % | IEC 60811 |
| Electrical | Nominal Value | Unit | Test Method |
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| Volume Resistivity | > 1.0E+16 | ohms·cm | IEC 60093 |
| Extrusion | Nominal Value | Unit | |
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| Cylinder Zone 1 Temp. | 160 | °C | |
| Cylinder Zone 2 Temp. | 175 | °C | |
| Cylinder Zone 3 Temp. | 190 | °C | |
| Cylinder Zone 4 Temp. | 205 | °C | |
| Cylinder Zone 5 Temp. | 210 | °C | |
| Die Temperature | 215 | °C |
| Extrusion instructions |
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| Crosslinking of the finished product is obtained by: Immersion of the bobbin in hot water at 85/90°C for two hours (up to 3 mm thickness) Steam treatment at 0,15 bar for 5/6 hours. Practically we suggest air crosslinking at natural temperatures and moisture: three or five days are enough. |
| Note Message | |
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| 1 . | 20 N/cm² |
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