A: Company
profile L.T Graphite has a comprehensive product
and technology portfolio that focuses on four fields of
graphite - ultrafine particle graphite mould,
graphite electrode, graphite crucible, as well as other
products mainly made of graphite.
Graphite materials exhibit unique properties such as
good electrical and thermal conductivity, heat and corrosion
resistance, low friction, and reduced weight while at the same
time maintaining high strength. Due to the shortage of energy and
raw materials, our high performance products made from
graphite are in increasingly high demand in industries. They
also play a progressively important role in everyday life, thereby
substituting traditional materials.B: Our Products:
L.T Graphite crucible is divided into four categories: high
purity fine particle graphite crucible, medium particle
graphite crucible, silicon carbide graphite crucible and
other coated graphite crucible( graphite crucible for vacuum
coating of gasification aluminum ) Graphite
crucible has good thermal conductivity and high temperature
resistance, the use of high temperature, the thermal expansion
coefficient is small, the rapid heat, quenching has a certain
anti-strain properties. Right acid, alkaline solution, strong
corrosion resistance, with excellent chemical stability.
Due to its excellent performance, graphite crucible is
widely used in metallurgy, casting, machinery, chemical and other
industrial sectors for the smelting of alloy tool steel and the
smelting of non-ferrous metals and their alloys, and has good
technical and economic effects.C: Advantages:1. High strength .As
the temperature rises, the graphite strength increases2. High
temperature resistance 3. Good heat shock resistance4.
Anti-oxidation5. Strong corrosion resistance to acid and alkali
liquid6. Good conductivity and thermal efficiency.7. Excellent
chemical stability8. High heat conductivity9. Mechanical shock
resistance10. Small thermal expansion coefficientD: Four categories
graphite crucible and Tech Data:a. High purity fine particle
graphite crucible Density
g/cm³1.75-1.9Resistivity μΩ·m≤12Compressive strength
Mpa≥70Porosity %≤26Elasticity Modulus Gpa6-18Thermal
expansion coefficient 10-6/ºC1.47-4.25Ash content
%≤0.05Temperature resistance ºC≤4350ºC b. Medium
particle graphite crucible ItemUnit2.0mmHNLT2.0mmHNLTBluk
Densityg/cm3≯12≯9Electric ResitivityμΩm≮1.58≮1.70Compressive
StrengthMpa≮19≮30Bending StrengthMpa≮7.8≮13Ash
Content%≯0.3≯0.3C.T.E10-6/ºC≯2.0≯2.2 C. silicon carbide
graphite crucible:Bulk Density g/cm³1.9-2.1Porosity
%10-14Carbon Content %30-45Silicon Carbide content
%≥48Temperature resistance ºC1665 d. graphite
crucible for vaccum metallizing Graphite
crucible for vacuum coating of gasification aluminum for
example. Is mainly suitable for under the
condition of vacuum, the metal aluminum gasification and
evaporation on the surface of CPP, PET, BOPP film, And forming
aluminum composite film. Graphite crucibles are a large number of
consumption parts during the producing process, the quality of
graphite crucibles will directly affect the product quality and
production cost of aluminum plating film. L.T
graphite has developed a new kind graphite composite materials,
used for vacuum coating of gasification aluminum, with outstanding
features: greatly improve its oxidation resistance, high bulk
density and flexural compressive strength, increased abrasion
resistance and hardness, reduce porosity and permeability. The
wetting and erosion ability of molten aluminum liquid and gaseous
aluminum molecules is weakened to a large extent, and thus the
service life of the crucible is prolonged.
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