Teijin PYROMEX® CPX 1.6d 320K Poly-acrylonitrile Carbon Fiber

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Teijin PYROMEX® CPX 1.6d 320K Poly-acrylonitrile Carbon Fiber
Categories:	Carbon; Carbon Fiber/Carbon Fibre
Material Notes:	Pyromex® is a family of oxidized poly-[acrylonitrile] (PAN) fibers. These fibers have a Limiting Oxygen Index (L.O.I.) of between 50 - 60% oxygen, making Pyromex® much more flame resistant than many other organic fibers such as PBI® (41%), Nomex® (30%), or Kevlar® (28%). For carbon/carbon applications such as aircraft brakes and automotive clutches, the low sodium content of these fibers may aid in processing and performance. These are aerospace grade products manufactured in the USA (Pyromex®-A) or Japan (Pyromex®-J) to an approved PCD. Information provided by Teijin Carbon America, Inc.
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Physical Properties	Metric	English	Comments

Density	1.36 - 1.40 g/cc	0.0491 - 0.0506 lb/in³
Moisture Absorption	4.0 - 10 %	4.0 - 10 %
Filament Diameter	12 µm	12 µm

Mechanical Properties	Metric	English	Comments
Tensile Strength	>= 220 MPa	>= 31900 psi	Dry
Elongation at Break	17 %	17 %	Dry

Thermal Properties	Metric	English	Comments
Oxygen Index	50 - 60 %	50 - 60 %

Descriptive Properties
Density	50-56 g/m		Tow linear
Tow	0.25-0.65%		Tow Sizing

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ETEIJIN921 / 277931

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