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90℃ low smoke zero halogen flame retardant polyolefin sheath material TWH1600 bundled C-c
This product is mainly applied to the outer sheath of C-class flame-retardant power cables in bundles. It has good extrusion fluidity and a low carbonization height during combustion tests, which can meet the requirements of C-class bundle combustion and B-class bundle combustion for low-difficulty structures.
Product details
Product model and name:
TWH1600 90-degree low smoke zero halogen flame retardant polyolefin sheath material
Performance indicators (typical values) : Execution standard: GB/T32129
Serial number | Test project | Unit | Indicator | Typical value | |
1 | Tensile strength | MPa | ≥10 | 11 | |
2 | Elongation at break | % | ≥150 | 165 | |
3 | Air thermal aging | Test conditions | 100℃×168h | ||
Maximum rate of change of tensile strength | % | ±30 | 7 | ||
The maximum rate of change of elongation at break | % | ±30 | -12 | ||
5 | Volume resistivity at 20℃ | Ω.m | ≥1×1010 | 4×1011 | |
6 | Hardness | ShoreA | 96±2 | 97 | |
7 | Oxygen index | % | ≥29 | 30 | |
8 | 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 | ||
9 | Density | g/cm3 | 1.48±0.02 | 1.48 | |
Application process reference
It is recommended that the temperature of the extruder body be 125 to 165℃. Head temperature: 165℃ to 170℃. It is recommended to use low smoke zero halogen screws with a compression ratio of 1.2 to 1.6. The maximum melt temperature is suggested to be controlled within 180℃.
Packaging and storage
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
add：No. 1 Heping Avenue, Heping Town Industrial Park, Changxing County, Huzhou City, Zhejiang Province
No.58 Qiangye Road, Changxing County, Huzhou City, Zhejiang Province, China
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