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B1 Flame Retardant Cable Oxygen Insulation Sheath Material

B1 flame retardant cable oxygen barrier sheath material is made of high purity resin as base material, mixed with halogen-free flame retardant, antioxidant, etc. and extruded and granulated.


Product features: It has excellent performance such as halogen-free, heat-resistant, and weather-resistant, has no precipitation pollution, meets the relevant requirements of Rohs, and is easy to extrude and process.


Product application: It is suitable for the production of cable sheath layers with GB/T 31247 standard.


Testing itemsValueTypical ValueUnitMetho d
Density≤1.671.65g/cm^3GB/T1033
Low temperature embrittlement temperature (-25℃) Failure number≤ 15/300/30pcsGB/T5470
Environmental stress cracking resistance≥96108F0/HGB/T2951
Thermal stress cracking resistanceUncrackedUncracked-GB/T32129
Tensile strength before aging≥ 45MPaGB/T2951
Elongation at break before aging≥ 5065%GB/T2951
Oxygen index≥4042%GB/T2406
Smoke density (with flame)≤10080/GB/T8323
Smoke density (without flame)≤350200/GB/T8323
Hydrogen halide gas content≤50m/gGB/T17650
Combustion gas pH value≥4.35.9/GB/T17650
Combustion gas conductivity≤ 106μs/mmGB/T17650


Notes:

1. When the storage environment is humid or the surface quality requirements are high, the pellets can be placed in a hot air hopper at 80°C for 1 to 2 hours for drying.

2. The screw should be cleaned before extrusion to ensure the cleanliness of the product. It is recommended to use an 80-mesh or 100-mesh filter to avoid impurities from being mixed in during the extrusion process, while ensuring the melt pressure to obtain a good appearance and material density.

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