Loading Port:Shanghai
Payment Terms:TT OR LC
Min Order Qty:1 m.t.
Supply Capability:350 m.t./month
polyolefin insulation:
1. Applications and cable specifications:
Type | Product | Application and Cable Specification |
HF311-1 | K3 class irradiation cross-linkable POE insulating compound for nuclear power cables | 1E grade K3 class irradiation cross-linkable non flame retardant inside insulation of nuclear power cables |
HF313-1 | K3 class irradiation cross-linkable low smoke halogen free high flame retardant POE insulating compound for nuclear power cables | 1E grade K3 class irradiation cross-linkable non flame retardant outside insulation of nuclear power cables |
HF313-7 | K3 class irradiation cross-linkable low smoke halogen free high flame retardant POE filling compound for nuclear power cables | 1E grade K3 class irradiation cross-linkable high flame retardant filling compound of nuclear power cables |
HF313-2 | K3 class irradiation cross-linkable low smoke halogen free high flame retardant POE jacket compound for nuclear power cables | 1E grade K3 class irradiation cross-linkable high flame retardant jacket of nuclear power cables |
HR313-2 | K3 class thermoplastic low smoke halogen free high flame retardant POE jacket compound for nuclear power cables | 1E grade K3 class thermoplastic high flame retardant jacket of nuclear power cables |
2. Description:
low smoke halogen free flame retardant POE compound for nuclear power grade 1E class K3 cable, based on POE resin, is produced and pelletized by special technology, adding special modifier, halogen-free flame retardant, anti-oxidant, crosslinking sensitizer and other special additives.
3. Processing:
The following temperature(°C) profile of extruder is recommended:
| Type | Processing Equipment | Compression ratio | L/D | Processing temp. | ||||
| Zone 1 | Zone 2 | Zone 3 | Zone 4 | Head | ||||
| HF311-1 | Common plastic extruder | 1.1:1~1.5:1 | 20:1~25:1 | 90 | 140 | 160 | 165 | 165 |
| HF313-1 | Common plastic extruder | 1.1:1~1.5:1 | 20:1~25:1 | 90 | 120 | 140 | 140 | 145 |
| HF313-7 | ||||||||
| HF313-2 | ||||||||
| HR313-2 | Common rubber extruder | 1.1:1~1.5:1 | 20:1~25:1 | 90 | 110 | 125 | 140 | 145 |
Note:Compound should be dried at 60-70°C before use, which has been stored more than two months.
4. Storage and transport:
Packing: 25kg/bag, PE membrane inside bag and craft outside bag.
Avoiding in direct sunlight and weathering.
Storage place should be clean, cool, dry and ventilated.
5. Properties:
| Item | Unit | HF311-1 | HF313-1 | HF313-7 | HF313-2 | HR313-2 |
| Standard | Standard | Standard | Standard | Standard | ||
| Tensile Strength | ≥MPa | 12.5 | 10 | 6 | 10 | 10 |
| Elongation at Break | ≥ % | 200 | 150 | 70 | 150 | 150 |
| Thermal Aging | °C×d | 135×7 | 135×10 | — | 135×10 | 110×10 |
| Variation on TS/ EB | ≤ % | ±25/±25 | ±30/±30 | — | ±30/±30 | ±25/±25 |
| Thermal Prolongation 20N/cm2 | °C×min | 200×15 | 200×15 | — | 200×15 | — |
| Elongation Under Load | ≤ % | 175 | 175 | — | 175 | — |
| Permanent Deformation | ≤ % | 15 | 15 | — | 15 | — |
| Volume Resistivity at 20 °C | ≥Ω.m | 1.0×1015 | 1.0×1012 | — | 1.0×1012 | 1.0×1012 |
| Dielectric Strength | ≥KV/mm | 25 | 20 | — | 20 | 20 |
| Oxygen Index | ≥ % | — | 30 | 40 | 30 | 30 |
| Impact Brittleness Temperature | °C | -30 | -30 | -15 | -30 | -30 |
| Smoke Density Flaming | ≤ | — | 100 | 100 | 100 | 100 |
| Non Flaming | ≤ | — | 350 | 350 | 350 | 350 |
| Acidity of gases evolved (PH) | ≥ | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 |
| Conductivity of gases evolved | ≤μs/cm | 10 | 10 | 10 | 10 | 10 |
| Toxicity Index | ≤ | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| Water Absorption Test | °C×h | 70×168 | 70×168 | — | 70×168 | 70×168 |
| Variation on TS/ EB | ≤ % | ±30/±30 | ±30/±30 | — | ±30/±30 | ±30/±30 |
6. Company
