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TFWJ2800 B1 grade irradiation cross-linked insulating material for wiring, specifically designed for
This product is mainly applied to fabric wires that meet the high flame retardant requirements of the GB31247 standard. It has good extrusion fluidity and a relatively low carbonization height. It can meet the B1-level flame retardant requirements of conventional building wires and twisted-pair wires.
Product details
Product model and name:
TFWJ2800 B1 grade irradiated cross-linked insulating material for fabric wires
Performance indicators (typical values) : Execution standards: JB/T10491, GB31247
Serial number | Test project | Unit | Indicator | Typical value | |
1 | Tensile strength | MPa | ≥10 | 13 | |
2 | Elongation at break | % | ≥150 | 170 | |
3 | Air thermal aging | Test conditions | 150℃×168h | ||
Maximum rate of change of tensile strength | % | ±25 | 6 | ||
The maximum rate of change of elongation at break | % | ±25 | -4 | ||
4 | Hardness | ShoreA | 96±2 | 97 | |
5 | Volume resistivity at 20℃ | Ω.m | ≥1×1012 | 2×1012 | |
6 | （-25℃）Impact embrittlement performance | Failures | ≤15/30 | 0/30 | |
7 | Oxygen index | % | ≥38 | 40 | |
8 | Smoke density | Flame mode | ≤100 | 72 | |
Flameless mode | ≤350 | 288 | |||
9 | Combustion releases acidic gases | The contents of HCI and HBr | % | ≤0.5 | 0 |
HF content | % | ≤0.1 | 0 | ||
pH value | / | ≥4.3 | 5 | ||
Electrical conductivity | μS/mm | ≤10 | 1 | ||
10 | Density | g/cm3 | 1.64 | 1.64±0.02 | |
Application process reference
It is recommended that the temperature of the extruder body be 135 to 170℃. Head temperature: 170℃ to 175℃. It is recommended to use a low smoke zero halogen screw with a compression ratio of 1.2 to 1.6. The maximum melt temperature is suggested to be controlled within 185℃.
The product is packed in moisture-proof aluminum foil polyethylene composite film bags, 25kg per bag, and transported by single palletizing. The weight of each single pallet can be 1000kg or 1200kg.
It should be stored in a clean, dry and well-ventilated environment. The suitable storage temperature is 0℃ to 35℃.
The product is vacuum-packed. It is strictly prohibited to stack it up and down during transportation and storage.
The validity period is 6 months under suitable storage conditions.
Tel: 0572-6680388/6680389
E-mail: admin@zjthyd.com
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No.58 Qiangye Road, Changxing County, Huzhou City, Zhejiang Province, China
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