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Tenax® UMS2526 Carbon Fiber

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Grade: Tenax® UMS2526 Composition: C Form: Fiber Material: Carbon CAS Number: 7440-44-0 Commodity: Metals Filament Diameter: 0.0048mm Number Of Filaments: 12000 Tex Number: 400
Tenax UMS2526 Carbon Fiber is a high-modulus, ultra-high-strength polyacrylonitrile (PAN)-based fiber optimized for demanding structural applications in aerospace and defense. This grade offers exceptional strand tenacity exceeding 430 kg/mm² and a modulus of elasticity over 28 ton/mm², making it suitable for composites where maximum stiffness and minimal thermal expansion are critical. With a fiber diameter between 1 to 6 µm and density around 1.76 g/cm³, UMS2526 strikes a balance between mechanical performance and low weight. It is commonly used in satellite panels, rocket nose cones, and advanced stress-bearing elements in airframes and rotorcraft. These fibers are frequently embedded in epoxy and ceramic matrices to produce ultra-lightweight components that surpass steel in tensile strength while outperforming titanium in stiffness-to-weight ratio. Their use in stress rods, vehicle chassis, and ultralight aerospace tubes illustrates their versatility. Tenax UMS2526 represents the frontier of fiber-reinforced composites, enabling next-generation aerospace systems with improved fuel efficiency, reliability, and structural longevity.
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Material Properties

Atomic Properties
Element Value
Atomic number 6
Crystal structure Hexagonal/Diamond
Electronic structure He 2s² 2p²
Valences shown 2, 3, 4
Atomic weight( amu ) 12.011
Thermal neutron absorption cross-section( Barns ) 0.0034
Photo-electric work function( eV ) 4.8
Natural isotope distribution( Mass No./% ) 12/ 98.89
Natural isotope distribution( Mass No./% ) 13/ 1.11
Atomic radius - Goldschmidt( nm ) 0.077
Ionisation potential( No./eV ) 6/ 490
Ionisation potential( No./eV ) 4/ 64.5
Ionisation potential( No./eV ) 1/ 11.26
Ionisation potential( No./eV ) 3/ 47.9
Ionisation potential( No./eV ) 2/ 24.38
Ionisation potential( No./eV ) 5/ 392
Mechanical Properties
Element Value
Hardness - Mohs 0.5-1
Hardness - Mohs 10
Material condition Diamond
Material condition Graphite
Bulk modulus( GPa ) 33
Bulk modulus( GPa ) 542
Tensile modulus( GPa ) 4.8
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 1375@0°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.7
Physical Properties
Element Value
Boiling point( C ) 5000
Density( gcm⁻³ ) 2.25@20°C
Thermal Properties
Element Value
Melting point( C ) 3650
Specific heat( J K⁻¹ kg⁻¹ ) 712@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 80-240@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 0.6-4.3@0-100°C
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Available Configurations

Properties common to all products in this list

Grade: Tenax® UMS2526 Composition: C Form: Fibre Material: Carbon CAS Number: 7440-44-0 Commodity: Metals Filament Diameter: 0.0048mm Number Of Filaments: 12000 Tex Number: 400

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Tolerances

Fibre
Filament Diameter ±25%
Number Of Yarns ±10%
Number Of Filaments ±10%
Tex Number ±10%
Length +5% / -1%