Alternative and trade names
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Zylon® is the trade name of PBO (polybenzoxazole) fibers AS (as spun) is an organic super fiber that features one of the highest levels of strength and modulus of elasticity (resistance to deformation) with flame & heat resistance.

This material data has been provided by Matmatch.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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20.0 °C

1.54 g/cm³

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Limiting oxygen index

20.0 °C

68 %

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Water content

20.0 °C

2 %

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Compressive strength

20.0 °C

469 MPa

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Elastic modulus

20.0 °C

180 GPa

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20.0 °C

3.5 %

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Tensile strength

20.0 °C

5800 MPa

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Melting point

650 °C

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Technological properties

Application areas

Protective cloth: Firefighter garmants, Safety gloves, Heat resistant garments. Sports: Bicycle Spokes, Bicycle tires, Yacht ropes, Tennis Racket, Badminton racket, Snowboard, Rider suits, Racing Car, Bow Strings. Industrial materials: Heat resistant felt, Cable cover for welding machine, Reinforcement for cements. Other: Speaker cone