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POLIGOM G/25
| 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: | Rtx75x_POLIGOM-G-25.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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POLIGOM G/25 is a flexible crosslinkable EPR/EPDM polymer. POLIGOM G/25 is a chemically crosslilnkable rubber for low voltage cable insulation and sheathing. 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, for special application is better to use MAC/203 HS. REACTION BETWEEN GRAFTING AND CATALYST These two compounds, separately stored, must be mixed before starting extrusion in the ratio: GRAFTING/CATALYST 95/5 |
| General Information | |
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| Agency Ratings |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 0.890 | g/cm³ | ASTM D792 |
| Melt Mass-Flow Rate (MFR) (190°C/5.0 kg) | 3.0 | g/10 min | ASTM D1238 |
| Hardness | Nominal Value | Unit | Test Method |
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| Durometer Hardness (Shore A) | 77 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Stress (Yield) | > 12.5 | MPa | IEC 60811 |
| Tensile Strain (Break) | > 250 | % | IEC 60811 |
| Aging | Nominal Value | Unit | Test Method |
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| 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 |
| Thermal | Nominal Value | Unit | Test Method |
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| Thermoset 1 | IEC 60811 | ||
| 200°C | 60 | % | IEC 60811 |
| Residual : 200°C | 5.0 | % | IEC 60811 |
| Extrusion | Nominal Value | Unit | |
|---|---|---|---|
| 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 1/1,5 mm thickness) Steam treatment at 0,15 bar for 5/6 hours. Ambient crosslink is possible on sufficient time that depend from air temperature and relative moisture. |
| Note Message | |
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| 1 . | 20 N/cm² |
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