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SIGRABOND
Carbon/Carbon Products

This premium-quality product is a performance leader.

SIGRABOND stands for premium-quality carbon fiber-reinforced carbon products, consisting of a carbon or graphite matrix and high-strength carbon fiber reinforcements.

SIGRABOND Carbon/Carbon represents a wide range of composite materials for various applications in high-temperature processes.


Properties:
Heat resistance in vacuum or under protective gas up to temperatures of 2700°C
(4900°F)
Extremely high thermal shock resistance
Low thermal expansion, very low creep
High strength and rigidity, low weight
Excellent resistance to alternating loads
Electrical conductivity
Excellent resistance to corrosion and radiation


Material type
1001 G
1501 G
1601 G
1701 G 		2001 G 1) 2)
2302 G
3001 G
 4012 G 3)
Property*
Heat treatment °C 2000 2000 2000 2000 2000 2000 2000
Bulk density g/cm 1.38-
1.48		 1.45-
1.55		 1.36-
1.52		 1.28-
1.44		 1.20-1.40 1.00 1.4- 1.5
Porosity, open % 18-25 10-12 11-15 n. d. n. d. n. d. n. d.
Flexural strength, MPa 110-
130		 240-
300		 150-
220		 140-
180		 30-70 30 35-40
Flexural modulus of elasticity, II GPa 28-33 70-85 60-80 60-70 15-25 10 20-25
Tensile strength, II MPa 55-65 320-
400		 300-
350		 280-
350		 n. d. compress.
strength
20-25 		compress.
strength
100-140
Resistivity at
20°C, II		 µm 29-34 22-26 22-26 22-26 n. d. 25-30 -
Coefficient of
permeability		 cm/s 7x10- 5x10- 0.3 - n. d. n. d. -
Interlaminar
shear strength		 MPa 11-15 11-15 8-12 7-10 5-7 - -
* ®SIGRABOND with standard laminate build-up or standard wind-up pattern
1) Layer build-up 2001 G: 0°/±45°/90°; build-up 2302 G, wound: roving and inner prepreg layer
2) Direction-dependent values: 0°; 90° values not shown
3) Trial product in the course of development

Measured perpendicularly to the plane of the laminate
II Measured parallel to the plane of the laminate
n. d.=no data available


Applications:
Structural elements
Plates, tubes, and profiles, securing fixtures like screws, nuts, bolts, pins and more: SIGRABOND standard products are available at short notice.

Further, building on a vast experience in 2-D and 3-D computer-aided design, we support you in engineering specific high-temperature equipment.

Furnace Heating Elements
The high thermal stability of our Carbon/Carbon allows SIGRABOND heating elements to be used in vacuum and inert gas furnaces up to temperatures of 2700°C (4900°F).
more
Heat Treat Charge Carriers
Offering a clear set of advantages, SIGRABOND charge carriers and trays represent a profitable investment to users with hardening, sintering and brazing applications. Our package solutions are tailored to your specific requirements and extend from structural design to commissioning of systems.
more
Glass Manufacturing
Channeling systems, molds and various kinds of further contact elements - with SIGRABOND Carbon/Carbon components, major improvements in performance, quality and efficiency of glass manufacturing processes become realistic.

Chemical Process Technology
Corrugated Carbon/Carbon packings made of
SIGRABOND grades with large open surfaces are highly effective in separating corrosive substances in distillation-rectification plants.
Lightweight designs with SIGRABOND render other column internels strong and durable.

Electronic Applications
Due to this materials high mechanical strength, thin-walled components are possible, e.g. CZ susceptors and insulation tubes, which offer advantages in terms of reduced space requirements and low thermal mass, as well as long service lives. Complex shape assemblies can be produced. Hybrid crystal pulling assemblies (combined constructions of SIGRABOND and graphite products) and carrier systems for solar cell production are a specialty of SGL Carbon.

Furnace Heating Elements
Heat Treat Charge Carriers
SIGRABONDCarbon Fiber-Reinforced Carbon,
Properties – Uses – Forms supplied [ 645 KB / 32 pages ]


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This document has been prepared according to the best current knowledge and is intended to provide general information about our products and their use. In view of the wide variety of possible applications, the above data should be regarded as general information and are no guarantee of certain features of our products in a given case. If you favour us with your order, please ask for information regarding the features needed for the proposed application. Our Technical Service will furnish a feature profile for such application without undue delay.


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