Hafnium wire is generally similar to zirconium. Gray crystals. Good corrosion resistance and high strength. Hafnium is used in filaments, electrodes, and some semiconductor fabrication processes for integrated circuits at 45 nm and smaller feature lengths. Formular: Hf.
Hafnium is a chemical element. A lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in zirconium minerals. CAS: 7440-58-6. Explosive in powder form, either dry or wet with less than 25% water. Tolerance, 0.5 mg/m3. Toxic by inhalation. Compounds are also toxic. Atomic weight: 178.49 g/mol.
Custom manufacturer of aluminum, brass, copper, stainless, hi-temp & exotic alloys, titanium, precious metals & plastics. All shapes & sizes, tubing, foil, wire mesh & grating available.
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Wednesday, November 30, 2011
What is Hafnium wire
Hafnium wire is generally similar to zirconium. Gray crystals. Good corrosion resistance and high strength. Hafnium is used in filaments, electrodes, and some semiconductor fabrication processes for integrated circuits at 45 nm and smaller feature lengths. Formular: Hf.
Hafnium is a chemical element. A lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in zirconium minerals. CAS: 7440-58-6. Explosive in powder form, either dry or wet with less than 25% water. Tolerance, 0.5 mg/m3. Toxic by inhalation. Compounds are also toxic. Atomic weight: 178.49 g/mol.
Custom manufacturer of aluminum, brass, copper, stainless, hi-temp & exotic alloys, titanium, precious metals & plastics. All shapes & sizes, tubing, foil, wire mesh & grating available.
More about: Hafnium wire Sale
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Hafnium is a chemical element. A lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in zirconium minerals. CAS: 7440-58-6. Explosive in powder form, either dry or wet with less than 25% water. Tolerance, 0.5 mg/m3. Toxic by inhalation. Compounds are also toxic. Atomic weight: 178.49 g/mol.
Custom manufacturer of aluminum, brass, copper, stainless, hi-temp & exotic alloys, titanium, precious metals & plastics. All shapes & sizes, tubing, foil, wire mesh & grating available.
More about: Hafnium wire Sale
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Tuesday, November 29, 2011
Yttrium(III) fluoride Suppliers
Yttrium(III) fluoride is an inorganic chemical compound with the chemical formula YF3. It
is not known naturally in 'pure' form. Its CAS. is 13709-49-4. MW is 145.90. It occurs as
a white powder.
Yttrium(III) fluoride can be used for the production of metallic yttrium, thin films,
glasses and ceramics. Yttrium Fluoride is a water insoluble Yttrium source for use in
oxygen-sensitive applications, such as metal production. In extremely low concentrations
(ppm), fluoride compounds are used in health applications.
Fluoride compounds also have significant uses in synthetic organic chemistry. They are
commonly also used to alloy metal and for optical deposition. Certain fluoride compounds
can be produced at nanoscale and in ultra high purity forms. Yttrium has the highest
thermo-dynamic affinity for oxygen, useful in ceramics for crucibles for molten reactive
metals, in florescent phosphors, computer displays and automotive fuel sensors. Yttria
stabilized zirconia is used in high temperature applications and as an electrolyte in
fuel cells. Yttrium Fluoride is generally immediately available in most volumes.
More about: Yttrium(III) fluoride Suppliers
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is not known naturally in 'pure' form. Its CAS. is 13709-49-4. MW is 145.90. It occurs as
a white powder.
Yttrium(III) fluoride can be used for the production of metallic yttrium, thin films,
glasses and ceramics. Yttrium Fluoride is a water insoluble Yttrium source for use in
oxygen-sensitive applications, such as metal production. In extremely low concentrations
(ppm), fluoride compounds are used in health applications.
Fluoride compounds also have significant uses in synthetic organic chemistry. They are
commonly also used to alloy metal and for optical deposition. Certain fluoride compounds
can be produced at nanoscale and in ultra high purity forms. Yttrium has the highest
thermo-dynamic affinity for oxygen, useful in ceramics for crucibles for molten reactive
metals, in florescent phosphors, computer displays and automotive fuel sensors. Yttria
stabilized zirconia is used in high temperature applications and as an electrolyte in
fuel cells. Yttrium Fluoride is generally immediately available in most volumes.
More about: Yttrium(III) fluoride Suppliers
Read more>> www.cpd-cpd.com
Monday, November 28, 2011
Yttrium(III) fluoride for Sale
Yttrium(III) fluoride is an inorganic chemical compound with the chemical formula YF3. It is not known naturally in 'pure' form. Its CAS. is 13709-49-4. MW is 145.90. It occurs as a white powder.
Yttrium(III) fluoride can be used for the production of metallic yttrium, thin films, glasses and ceramics. Yttrium Fluoride is a water insoluble Yttrium source for use in oxygen-sensitive applications, such as metal production. In extremely low concentrations (ppm), fluoride compounds are used in health applications.
Fluoride compounds also have significant uses in synthetic organic chemistry. They are commonly also used to alloy metal and for optical deposition. Certain fluoride compounds can be produced at nanoscale and in ultra high purity forms. Yttrium has the highest thermo-dynamic affinity for oxygen, useful in ceramics for crucibles for molten reactive metals, in florescent phosphors, computer displays and automotive fuel sensors. Yttria stabilized zirconia is used in high temperature applications and as an electrolyte in fuel cells. Yttrium Fluoride is generally immediately available in most volumes.
More about: Yttrium(III) fluoride Suppliers
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Yttrium(III) fluoride can be used for the production of metallic yttrium, thin films, glasses and ceramics. Yttrium Fluoride is a water insoluble Yttrium source for use in oxygen-sensitive applications, such as metal production. In extremely low concentrations (ppm), fluoride compounds are used in health applications.
Fluoride compounds also have significant uses in synthetic organic chemistry. They are commonly also used to alloy metal and for optical deposition. Certain fluoride compounds can be produced at nanoscale and in ultra high purity forms. Yttrium has the highest thermo-dynamic affinity for oxygen, useful in ceramics for crucibles for molten reactive metals, in florescent phosphors, computer displays and automotive fuel sensors. Yttria stabilized zirconia is used in high temperature applications and as an electrolyte in fuel cells. Yttrium Fluoride is generally immediately available in most volumes.
More about: Yttrium(III) fluoride Suppliers
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Thursday, November 24, 2011
Zirconium dioxide for Sale
Zirconium dioxide (ZrO2), sometimes known as zirconia (not to be confused with zircon), is a white crystalline oxide of zirconium. Zirconia as a pure oxide does not occur in nature but it is found in baddeleyite and zircon (ZrSiO4) which form the main sources for the material. Of the two of these, zircon is by far the most widespread but it is less pure and requires a significant amount of processing to yield zirconia.
The processing of zirconia involves the separation and removal of undesirable materials and impurities - in the case of zircon - silica, and for baddeleyite, iron and titanium oxides. Pure zirconia exists in the monoclinic form at room temperature. Cubic and tetragonal phases are also stable at higher temperatures. Another low thermal conductivity use is a ceramic fiber insulation for crystal growth furnaces, fuel cell stack insulation and infrared heating systems. Thermodynamically the higher the operation temperature of an engine, the greater the possible efficiency (see Carnot heat engine).
Zirconium dioxide can occur as a white powder which possesses both acidic and basic properties.
On account of its infusibility and brilliant luminosity when incandescent, it was used as an ingredient of sticks for limelight. The cubic phase of zirconia also has a very low thermal conductivity, which has led to its use as a thermal barrier coating or TBC in jet and diesel engines to allow operation at higher temperatures. The transformation of monoclinic to cubic zirconia occurs at 800-1000°C and is accompanied by a large change in lattice size. A consequence of this phase change is a large volume expansion on cooling which make the fabrication of pure zirconia ceramics impossible.
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The processing of zirconia involves the separation and removal of undesirable materials and impurities - in the case of zircon - silica, and for baddeleyite, iron and titanium oxides. Pure zirconia exists in the monoclinic form at room temperature. Cubic and tetragonal phases are also stable at higher temperatures. Another low thermal conductivity use is a ceramic fiber insulation for crystal growth furnaces, fuel cell stack insulation and infrared heating systems. Thermodynamically the higher the operation temperature of an engine, the greater the possible efficiency (see Carnot heat engine).
Zirconium dioxide can occur as a white powder which possesses both acidic and basic properties.
On account of its infusibility and brilliant luminosity when incandescent, it was used as an ingredient of sticks for limelight. The cubic phase of zirconia also has a very low thermal conductivity, which has led to its use as a thermal barrier coating or TBC in jet and diesel engines to allow operation at higher temperatures. The transformation of monoclinic to cubic zirconia occurs at 800-1000°C and is accompanied by a large change in lattice size. A consequence of this phase change is a large volume expansion on cooling which make the fabrication of pure zirconia ceramics impossible.
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Wednesday, November 23, 2011
What is Tungsten trioxide
Tungsten trioxide, so known as tungsten trioxide or tungstic anhydride, WO3, is a chemical compound containing oxygen and the transition metal tungsten. It is frequently used in industry to manufacture tungstates for x-ray screen phosphors, for fireproofing fabrics and in gas sensors. ue to its rich yellow color, WO3 is also used as a pigment in ceramics and paints. It is frequently used in industry to manufacture tungstates for x-ray screen phosphors and also for fireproofing fabrics. Due to its rich yellow color, WO3 is also used as a pigment in ceramics and paints. It is obtained as an intermediate in the recovery of tungsten from its minerals. Tungsten trioxide is used for many purposes in everyday life.
Other names: Tungstic anhydride;Tungsten(VI) oxide;Tungstic oxide
CAS: 314-35-8
Molecular formula: WO3
Molecular Weight: 231.84 g/mol
Tungsten trioxide is a chemical compound containing oxygen and the transition metal tungsten. It is obtained as an intermediate in the recovery of tungsten from its minerals.Tungsten trioxide is used for many purposes in everyday life.
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Other names: Tungstic anhydride;Tungsten(VI) oxide;Tungstic oxide
CAS: 314-35-8
Molecular formula: WO3
Molecular Weight: 231.84 g/mol
Tungsten trioxide is a chemical compound containing oxygen and the transition metal tungsten. It is obtained as an intermediate in the recovery of tungsten from its minerals.Tungsten trioxide is used for many purposes in everyday life.
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Tuesday, November 22, 2011
What is High-purity tin
Product Name: High-purity tin
CAS No.:7440-31-5
Molecular Formula: Sn
Melting point: 231.89 ℃
Boiling point: 2507 ℃
Properties:
It can form a protective layer of tin dioxide in the air. high purity tin powder, high quality Sn 99.95%,-300mesh, factry price, good service. Grey silvery powder with spherical form or drop form. Tin resists distilled sea and soft tap water, but is attacked by strong acids, alkalis, and acid salts. Oxygen in solution accelerates the attack. When heated in air, tin forms Sn2, which is feebly acid, forming stannate salts with basic oxides. The most important salt is the chloride, which is used as a reducing agent and as a mordant in calico printing.
Application:
High-purity tin is mainly used for compound semiconductor doping elements, high purity alloy, such as superconducting solder.
Security: it has a stimulating effect on the eyes, skin and mucous membranes.
APPLICATION:
Widely used in manufacturing porous bronze bearings self-lubricated, structural parts of powder metallurgy, friction discs, sheathing boards of brakes, clutches, metal-graphite electric brushes, diamond grinding wheels, bronze filters, and also used as the additives of rubbers and plastics, and in the production of chemicals.
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CAS No.:7440-31-5
Molecular Formula: Sn
Melting point: 231.89 ℃
Boiling point: 2507 ℃
Properties:
It can form a protective layer of tin dioxide in the air. high purity tin powder, high quality Sn 99.95%,-300mesh, factry price, good service. Grey silvery powder with spherical form or drop form. Tin resists distilled sea and soft tap water, but is attacked by strong acids, alkalis, and acid salts. Oxygen in solution accelerates the attack. When heated in air, tin forms Sn2, which is feebly acid, forming stannate salts with basic oxides. The most important salt is the chloride, which is used as a reducing agent and as a mordant in calico printing.
Application:
High-purity tin is mainly used for compound semiconductor doping elements, high purity alloy, such as superconducting solder.
Security: it has a stimulating effect on the eyes, skin and mucous membranes.
APPLICATION:
Widely used in manufacturing porous bronze bearings self-lubricated, structural parts of powder metallurgy, friction discs, sheathing boards of brakes, clutches, metal-graphite electric brushes, diamond grinding wheels, bronze filters, and also used as the additives of rubbers and plastics, and in the production of chemicals.
More about: buy High-purity tin
Read more>> www.mining-mining.com
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