PBO yarn, the full name is "poly-para-phenylene benzobis-oxazole yarn", is an existing aromatic heterocyclic polymer.
It is a compound with very excellent properties in materials and is also a comprehensive compound in the field of high-performance yarns at home and abroad.
One of the high-performance yarns with excellent performance. Its modulus is twice that of para-aramid yarn and its strength exceeds steel.
Yarn and carbon yarn have excellent impact resistance, friction resistance and dimensional stability, as well as good flame retardancy.
It is regarded as a new generation of yarn for advanced structural composite materials in aviation, aerospace and other fields after aramid yarn.
--SPECIFICATION Of PBO FILAMENT YARN
PBO Filament | Unit | Grade | |
HIGH STRENGTH | HIGH MODULUS | ||
Color | / | Yellowish | Brownish-yellow |
Density | g/cm3 | 1.54 | 1.56 |
Linear density | dtex | 280dtex/555dtex/1100dtex/1670dtex | 280dtex/555dtex/1100dtex/1670dtex |
Moisture regain | % | ≤4 | ≤2 |
Oil content | % | 0-2 | 0-2 |
Tensile strength | cN/dtex | ≥33 | ≥33 |
GPa | ≥5.1 | ≥5.1 | |
Tensile modulus | cN/dtex | ≥1150 | ≥1560 |
GPa | ≥180 | ≥240 | |
Elongation at break | % | 3.5 | 2.5 |
Decomposition temperature | ℃ | 650 | 650 |
LOI | % | 68 | 68 |
PBO filament could be widely applied in aerospace, ballistic armor products, compound material, special ropes and cables, bike tyres, conveying belts, heat-resistant felt, high-temperature filter material, fire fighting clothing, sports and leisure products, etc.
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