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Silver Powder Industrial Grade 99.9%

Silver powder is a ultra fine precious metal particles, which has best electrical conductivity and thermal conductivity among all metal elements. Its reflectivity is extremely high, which can reach above 99%. Silver nano powder is insoluble in water, but resolve in dilute nitric acid and hot concentrated sulfuric acid. Its chemical property is stable and doesn’t react with moisture and oxygen in air. Inhaling or touching silver ultra fine powder or smog cause blue grey spot slowly, which would never fade away. Please be cautious when handling. Ultra fine silver powder’s processing is reduction from silver nitrate solution.

Silver Powder

CAS No.:7440-22-4 EINECS No.:231-131-3 Molecular Formula:Ag Molecular Weight:107.87
Melting Point:960℃ Boiling Point:2164℃ Density:10.49 Electrical Conductivity:63*106
Heat Conductivity:429 Specific Resistance:1.586*10-8 Electronegativity:1.93 Specific Heat:232


In electronic industry, silver ultra fine  powder applies to prepare sintered conductive paste with high temperature  and conductive coating. It is main conductive content for thick film ink. The silver paste using silver ultra fine powder has many advantages, for instance, good wettability, good printing, excellent sintering film. It applies to make thick film mixture IC, resistor, multi-layer capacitor and sensitive element.

Nano silver powder can apply to conductive magnetic material, high-performance catalyst and antibacterial agent. However sheet silver powder mainly applies to conducting coating layer and conductive pole of low temperature silver paste.

Silver powder also can apply to process alloys, high pure silver salts and high pure analytical reagents. It is for coating silver and doping.

Sulfur Pellet Industrial Grade 99.9%

Sulfur pellet is light yellow crystalline element, which have special smell. The size is customizable. It is insoluble in water. It is faintly soluble in ethyl alcohol and diethyl ether, but tend to dissolve in carbon sulfide, benzene and methylbenzene.

Sulfur Pellet

Purity: 99.99% Diameter: 18~25mm Thickness: 3~5mm

Purity: 99.999%, 99.9999%

CAS No.: 7704-34-9 EINECS No.: 231-722-6 Molecular Formula: S Molecular Weight: 32.7
Melting Point: 112.8℃ Boiling Point: 444.6℃ Density: 1.92~2.07 UN 1350 4.1/PG 3


Sulfur can apply to prepare sulfuric acid, liquid sulfur dioxide, sodium sulfide, carbon disulfide, thionyl chloride and chromium oxide green. In dye industry, it is for manufacturing sulfur dyestuff. It also gets applications in pesticide and firecracker.

Sulfur pellet has uses in metallurgy, mineral separation, hard alloy, medicine, rubber, chemical fiber and food industry.

Thulium Nitrate Industrial Grade 99%

Thulium nitrate hexahydrate is green crystalline powder, which is a kind of rare earth nitrate salts.  It is soluble in water, ethyl alcohol, acetone and diethyl ether. Thulium nitrate hexahydrate doesn’t dissolve and react at normal situations. The advised storage is sealing under 2~10℃. Thulium oxide, thulium hydroxide or thulium carbonate  is the raw material.

Thulium Nitrate Hexahydrate

CAS No.: 36548-87-5 EINECS No.: 239-069-9 Molecular Formula: TmN3O9.6H2O  Molecular Weight: 463.04
 UN 1477 5.1/PG 2


Tin Granules Industrial Grade 99.99%

Tin granules is silvery grains or granulars. It is stable in the air. Granulars are soluble in concentrated hydrochloric acid, sulfuric acid, aqua regia, concentrated nitric acid, hot caustic solution, but no soluble in water. Tin metal ingots are the raw material.

Tin Granules

Purity: 99.999%, 99.99999%

CAS No.:7440-31-5 EINECS No.: 231-141-8 Molecular Formula:Sn Molecular Weight: 118.710
Melting Point:231.88℃ Boiling Point:2507℃ Density:7.28  


Tin metal granulars are mainly as special material in IC packaging, for examples, DIP, SOJ, SOP, TSOP, QFP, BGA, CSP and other packaing  process.

Aluminum Sulfide Industrial Grade 99%

Aluminum sulfide is light yellow granules, which has smell of sulfur, which is a kind of metal sulfides. It completely hydrolyze in hot water and turns out aluminum hydroxide and hydrogen sulfide. Aluminium sulphide can hydrolyze in moist air, so it has smell of hydrogen sulfide. When heating, aluminum trisulfide corrode china.  Al2S3 can be reduced by iron and hydrocarbon that get aluminum. When come to sulfur dioxide, it turns out sulfur and aluminum sulfate.  Aluminum powder and sulfur are the raw material.

Aluminum Sulfide

CAS No.: 1302-81-4 EINECS No.: 215-109-0 Molecular Formula:Al2S3 Molecular Weight: 150.16
Melting Point: 1100℃ Boiling Point: 1500℃ Density: 2.02 UN 3134 4.3/PG 3


Calcium Boride Industrial Grade 99.5%

Calcium hexaboride is black powder or particle, which is metal boride. It is insoluble in water. CaB6 would fire if heating to red in air, which oxidize into borate salt 1~2 hours. If heating in sulfur steam, CaB6 ignite and show bright red. Calcium metal piece and amorphous boron powder are the raw material.

Calcium Hexaboride

CAS No.:12007-99-7 EINECS No.:234-525-3 Molecular Formula:CaB6 Molecular Weight:104.95
Density:2.3 Melting Point:2235℃    


Calcium boride uses as boron additive for  Baiyun carboniferous and magnesia dolomite refractory material, which take effects of antioxidant, anti-erosion and improving hot intensity.

CaB6 applies as deoxidizing degrassing agent to  increasing electric conductivity and strength of red copper. It is also a new material in shielding neutron in nuclear industry.

Calcium boride powder is new semiconductor material for spin electronic components at Curie point 900K.  It is also raw material for production of boron trichloride (BCl3) and amorphous boron.

CaB6 particle is raw material for production of high purity metal borides (as TiB2ZrB2, HfB2 and so on) and high pure boron alloys (Ni-B, Co-B, Cu-B and so on).

CaB6 powder uses to make mixture of catalyzer Ca-B nitride (Ca3N2N4) and hexagonal boron nitride.

Calcium boride granule uses as desulfurizing deoxidizing boron-adding agent of boron alloy or boron steel casting .

Calcium hexaboride applies as desoxidant of metal melting.

Gadolinium metal foils Purified 99.9%

gadolinium foil rare earth sheet

Gd REM 99.9% 99%

vacuum coating material, evaporation coating material, sputtering target

Gallium Metal Industrial Grade 99.99%

Gallium metal is silvery white minor metal, which is liquid when temperature above 29℃, but solid when temperature under it. It is also soft even when solid.Ga is avaliable in liquid, solid, granule. Liquid gallium tends to undercool that mean it would’t solidify even temperature under 0℃. It slightly dissolve in mercury and form gallium amalgam. Liquid gallium can infiltrate glass, so it cannot use glass container to store.

Gallium Metal

Purity:99.99%, 99.999%, 99.99999%

CAS No.: 7440-55-3 EINECS No.: 231-163-8 Molecular Formula: Ga Molecular Weight: 69.723
Melting Point: 29.76℃ Boiling Point: 2403℃ Density: 5.095 UN2803 8/PG 3


Gallium metal mainly apply to produce semiconductor compounds as gallium arsenidegallium nitridegallium phosphide and so on. It is also dopant for semiconductor germanium, silicon.

99.99999% Ga is main raw material for gallium arsenidegallium phosphide and gallium antimonide. Those are for LED and infrared device manufacturing. 8N Ga is mainly for preparing superlattice as gallium source of MBE, quantum well and other advanced semiconductor deveices.

High purity gallium can be as additive for permanent magnet material and other alloys. It is also raw material for high purity alloys.

Liquid gallium is raw material for gallium alloys as gallium-vanadium, gallium-lithium, gallium-zirconium and so on. Those alloys are as superconductor.  It is also essential raw material for low-melting alloys as bismuth alloys, zinc alloys, lead alloys and so on.

Indium Metal Industrial Grade 99.995%

Indium metal covers a series of products as ingot, wire, foil, plate, sheet, granule, shot, bar and so on. It is soft and ductile. Indium is mainly raw material for low-melting alloy, bearing alloy, semiconductor and photoelectric.

Indium Metal

Purity:99.995%, 99.999%, 99.9999%, 99.99999%

CAS No.: 7440-74-6 EINECS No.: 231-180-0 Molecular Formula:In Molecular Weight:114.818
Melting Point:156.61℃ Boiling Point: 2060℃ Density:7.30  


Indium metal is mainly for production of ITO target that is for production of LCD and flat screen.

The wire is a kind of sealing material. its sizes are customizable according to requirements.  it is also a kind of welding material. To compress cost, it alloy with tin.

The foil is a kind of metal target that is for sputtering.

The powder is raw material for electroconduction slurry and dental filling.

Nickel Phosphide Industrial Grade 99%

Nickel phosphide is gray crystalline solid. There are other names as nickel phosphide, dinickel phosphide and trinickelous phosphorus(-3) anion. It dissolves in aqua regia, but not dissolves in cold water, dilute acid and dilute alkali. Nickel phosphate is the raw material.

Nickel Phosphide

CAS No.: 12035-64-2 EINECS No.: 234-828-0 Molecular Formula: Ni2P Molecular Weight: 148.36
Melting Point: 1112℃ Density: 6.31    


Nickel phosphide mainly apply to chemical nickel-plating.

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