비철금속 산업
For The Non-Ferrous Metals Industry
Troughs and crucibles for melting copper and copper alloys for casting machines
Properties
- High density
- Minimal wettability
- High mechanical strength
- High thermal shock resistance
- Low permeability
- Good oxidation resistance
Forms supplied and applications
- Large-format rectangular precision-machined crucibles with charging chambers
- Cylindrical crucibles with runners for melting copper and copper alloys
Crucibles and dies for melting and casting precious metals
Properties
- Fine-grain graphite
- High density and high purity
- Low pore volume
- High oxidation resistance
Forms supplied and applications
- Graphite crucibles in various shapes and sizes, ready-machined for melting processes
- Ready-machined dies for casting bars or ingots
Casting dies for the continuous casting of non-ferrous and precious metals
Properties
- High density and mechanical strength
- High thermal conductivity
- Minimal wettability by molten metal
- Good lubricating properties
Forms supplied and applications
- Ready-made dies, precision-machined with minimal surface roughness in accordance with customer specification, for the continuous casting of copper / copper alloys, gray / spheroidal graphite cast iron and precious metals
반도체 기술
Semiconductor Technology
Graphite Electrodes for The Deposition of Highest-Grade Polycrystalline Silicon rods
Properties
- Good Electrical conductivity
- Suitable thermal conductivity
- Very High Purity
- Precision Shape
Forms supplied and applications
- Specialty graphite elements as semifinished products
- Ready-machined graphite electrodes for silicon deposition
Components for Pulling Silicon Crystals
Properties
- Homogeneous fine grain structure
- High mechanical strength
- High thermal shock resistance
- suitable matched electrical resistance
- High chemical resistance
- High Purity
Forms supplied and applications
- Cylindrical specialty graphite blocks in large sizes
- Ready-machined crucibles(susceptors)
- Meander-shaped heating heating elements
- Current connecting parts, etc. for growing silicon or germanium crystals
미량원소 성분 및 탄분 ppm
미량원소 |
탄분 |
B |
Na |
Mg |
Al |
Si |
K |
Ca |
Ti |
V< |
Cr |
Mn |
Fe |
Ni |
Cu |
통상품 |
25 |
0.6 |
<0.05 |
<0.02 |
0.17 |
0.7 |
0.1 |
1.7 |
9.9 |
1.4 |
<0.07 |
<0.08 |
0.68 |
<0.10 |
<0.08 |
고순도화품 |
14 |
0.6 |
<0.05 |
<0.02 |
2.0 |
3.1 |
<0.1 |
0.12 |
0.44 |
<0.07 |
<0.07 |
<0.08 |
0.71 |
<0.10 |
<0.08 |
석영 유리 산업
For The Quartz Glass Industry
Electrodes made of specialty graphite for the manufacture of high-purity quartz products
Properties
- High purity, High density
- Low electrical resistance
- High thermal stability
- High thermal shock resistance
- Minimal wettability
- High mechanical strength
Forms supplied and applications
- Specialty graphite rods as electrodes for the production of large-format crucibles from high-purity quartz as well as electric heating elements and protective shields for the manufacture of reaction vessels for laboratory technology
Specialty graphite components for the production of quartz glass tubes
and the manufacture of optical fibers
Properties
- Ultra-high purity
- High mechanical strength
- Defined porosity
- Dimensional stability
- Constant properties
- High oxidation resistance
- Homogeneous structure
Forms supplied and applications
- High precision-machined process components
- Heating elements and protection tubes made of high-purity fine-grain graphite
Electric heating elements made of specialty graphite for the production of high-purity quartz glass tube
Properties
- High purity
- Optimum thermal shock resistance
- High mechanical strength
- Dimensional stability
- Optimum oxidation resistance
Forms supplied and applications
- Specialty graphite heating rods in long lengths and maximum straightness for the production of large cylindrical quartz glass blocks
- Hollow-cylindrical meander-shaped heating elements for drawing quartz glass tubes and rods for the production of halogen vehicle headlights and mercury discharge lamps
알루미늄 사업
FOR THE ALUMINUM INDUSTRY
Gas injection tubes and distribution systems made of graphite for refining aluminum melts
Properties
- Minimal wettability by non-ferrous metal melts
- High thermal shock and oxidation resistance
- Chemical inertness
- Non-melting characteristics
- Dimensional stability
- Good mechanical strength
- Very low permeability
Forms supplied and applications
- Gas injection tubes made of high-densitygraphite in all standard diameters and lengths
- Purpose-made graphite systems for the uniform distribution of refining gas in molten metal
- The specialty graphite grades are impregnated to provide extra oxidation protection
Run-out chutes for the production of aluminum profiles
Properties
- Thermal and dimensional stability
- Good erosion resistance
- Optimum gliding qualities
- Good oxidation resistance
Forms supplied and applications
- Plates, guide and support rails, profiles and rollers made of graphite, ready-machined as planar support and guide surfaces for extruded aluminum profiles
Casting-die rings for the production of aluminum cylinders
Properties
- Chemical stability
- High thermal conductivity
- Dimensional stability
- High-permeability specialty graphites with defined porosity
Forms supplied and applications
- Specialty graphite rings in diameters of up to 500mm, precision-machined to very close tolerances
- Ready-made rings with gastight and high temperature-resistant coatings
Casting-die rings for the production of aluminum cylinders
Properties
- Chemical resistance
- Good electrical conductivity
- High thermal conductivity
- Dimensional stability
- High corrosion resistance
Forms supplied and applications
- Circular- and rectangular-section electrodes used in etching aluminum strips and foils for surface upgrading operations,
ready-machined up to large formats to meet specific process requirements
공구 제작
FOR THE TOOL MANUFACTURE
Specialty graphite for electrical discharge machining
Properties
- High-quality fine-grain graphites designed for rapid machining by erosion without heavy electrode wear
- Excellent machinability to achieve highly complicated electrode designs
Forms supplied and applications
- Standard semifinished products in rectangular and cylindrical form as well as blanks in accordance with
customer specification, for machining into electrical discharge electrodes,
e.g. for the production of forging or injection-molding dies
Specialty graphite for the production of hard-metal and diamond tools
Properties
- Homogeneous structure
- Dimensional stability at high temperatures
- Good thermal conductivity
- High purity with minimal iron content
- Small grain size
Forms supplied and applications
- Rods supplied as semifinished products with extremely small to very large diameters
for further machining into components such as boring head dies
유리 산업
FOR THE GLASS INDUSTRY
Specialty graphite components for float glass systems
Properties
- High density and homogeneity
- High chemical purity
- High corrosion and oxidation resistance
- Minimal wettability
- High mechanical strength
- Thermal stability
Forms supplied and applications
- Ready-machined float bath lining profiles, components and multi-part systems of extreme length,
precision-machined to very close tolerances for use in defined processes for the continuous production of plate glass in float glass systems
Carbon molds for the production of high-quality hollow glassware
Properties
- Special high-porosity fine-grain graphite,suitable for providing adjusted water absorption rates
- High stability
- Good machinability
Forms supplied and applications
- Cylindrical semifinished products for the manufacture of molds
for the wet blowing of high-quality glassware
공업로 건설
INDUSTRIAL FURNACE CONSTRUCTION
Susceptors and chambers for high-temperature plants
Properties
- High thermal stability in vacuum and protective gases up to 3000 °C
- Dimensional stability even at high temperatures
- High mechanical strength even with increasing temperature
- Good thermal and electrical conductivity
- High mechanical strength
- Low thermal expansion coefficient
Forms supplied and applications
- Large-format hollow graphite cylinders or rectangular chambers, supplied in one piece or as several segments to be assembled to suit the system concerned; for operation in an inductive electrical field, temperature equalization and the creation of sealed working chambers in induction- or resistance-heated high-temperature furnaces
Electric heating elements and heating systems for high-temperature furnaces
Properties
- High electrical loading capacity
- Fine-grain structure with high density and high resistivity
- High mechanical strength even with increasing temperature, hence suitability for self-supporting use in any position
Forms supplied and applications
- Thin-walled tubes in various diameters, in straight lengths up to 3,000 mm also suitable for the construction of complete heating systems, e.g. in cage form; in combination with carbon fiber-reinforced graphite for the methodical variation of temperature profiles inside heating cages
- Can also be produced in U, W and coiled shapes to match the furnace concerned
주조 산업
INDUSTRIAL FURNACE CONSTRUCTION
Susceptors and chambers for high-temperature plants
Properties
- High thermal stability in vacuum and protective gases up to 3000 °C
- Dimensional stability even at high temperatures
- High mechanical strength even with increasing temperature
- Good thermal and electrical conductivity
- High mechanical strength
- Low thermal expansion coefficient
Forms supplied and applications
- Large-format hollow graphite cylinders or rectangular chambers, supplied in one piece or as several segments to be assembled to suit the system concerned; for operation in an inductive electrical field, temperature equalization and the creation of sealed working chambers in induction- or resistance-heated high-temperature furnaces
Electric heating elements and heating systems for high-temperature furnaces
Properties
- High electrical loading capacity
- Fine-grain structure with high density and high resistivity
- High mechanical strength even with increasing temperature, hence suitability for self-supporting use in any position
Forms supplied and applications
- Thin-walled tubes in various diameters, in straight lengths up to 3,000 mm also suitable for the construction of complete heating systems, e.g. in cage form; in combination with carbon fiber-reinforced graphite for the methodical variation of temperature profiles inside heating cages
- Can also be produced in U, W and coiled shapes to match the furnace concerned
Electric heating elements and heating systems for high-temperature furnaces
Properties
- High electrical loading capacity
- Fine-grain structure with high density and high resistivity
- High mechanical strength even with increasing temperature, hence suitability for self-supporting use in any position
Forms supplied and applications
- Thin-walled tubes in various diameters, in straight lengths up to 3,000 mm also suitable for the construction of complete heating systems, e.g. in cage form; in combination with carbon fiber-reinforced graphite for the methodical variation of temperature profiles inside heating cages
- Can also be produced in U, W and coiled shapes to match the furnace concerned
화학 산업
CHEMICAL INDUSTRY
Graphite linings for chemical reactors
Properties
- Corrosion resistance even at high temperatures
- High chemical purity
- High mechanical strength and dimensional stability
- Smooth surface structure
Forms supplied and applications
- Precision-machined components up to extremely large formats to match the plant concerned, supplied as operating equipment or plant components in the form of single- or multi-part systems for chemical processes
Blocks made of specialty graphite for the manufacture of heat exchangers
Properties
- Homogeneous structure
- Reproducible properties such as expansioncoefficient and pore volume
- Good mechanical strength
- High thermal conductivity
Forms supplied and applications
- Cylindrical and rectangular blocks made of specialty graphite up to large formats, supplied as semifinished products for further processing in chemical process equipment construction
세라믹 산업
CERAMICS INDUSTRY
High-temperature furnace equipment for the production of high-performance ceramics
Properties
- Very homogeneous property profile
- High purity
- Minimal wettability
- Good mechanical strength
- High thermal and electrical conductivity
- Low thermal expansion
Forms supplied and applications
- Large-format rectangular susceptors, assembled from several longitudinal segments, for operation in an inductive electrical field as a heating system for the production of structural components and operating equipment from silicon carbide
- Charging equipment and structural components
Male die for the production of shaped components from boron nitride
Properties
- High mechanical strength
- High purity
- Dimensional stability
- High corrosion resistance
- Good gliding qualities
- Smooth surface structure
- Low thermal expansion
- Constant properties
Forms supplied and applications
- Cylindrical rods, tubes, thermal shields, radiant heat distribution rings, dies, plates and segments, ready-machined to drawings, for the production of components from high-performance ceramics
전기화학 산업
ELECTROCHEMICAL INDUSTRY
Anodes made of specialty graphite for magnesium production
Properties
- High corrosion resistance
- Good mechanical strength
- Very high electrical conductivity
- High purity
Forms supplied and applications
- Large-format anodes as well as bipolar and hollow-cylinder electrodes, precision-machined and supplied in one piece or assembled from several pieces by a special joining technique, for use in molten salt electrolysis for the production of lithium, sodium and magnesium
Blocks made of specialty graphite for the manufacture of heat exchangers
Properties
- Homogeneous structure
- Reproducible properties such as expansioncoefficient and pore volume
- Good mechanical strength
- High thermal conductivity
Forms supplied and applications
- Cylindrical and rectangular blocks made of specialty graphite up to large formats, supplied as semifinished products for further processing in chemical process equipment construction
Blocks made of specialty graphite for the manufacture of heat exchangers
Properties
- Homogeneous structure
- Reproducible properties such as expansioncoefficient and pore volume
- Good mechanical strength
- High thermal conductivity
Forms supplied and applications
- Cylindrical and rectangular blocks made of specialty graphite up to large formats, supplied as semifinished products for further processing in chemical process equipment construction
초경금속 산업
HARD-METALS INDUSTRY
Charging plates and heating systems for hard- metals sintering furnaces
Properties
- High thermal stability
- High thermal conductivity
- High purity and good mechanical strength
- Dimensional stability and low heat capacity
Forms supplied and applications
- Plates, discs, equipment and systems for charging high-temperature sintering furnaces with hard- metal components
- Furnace equipment such as heating systems and structural elements, designed and ready-machined for specific high-temperature plants
