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About Aluminum Al Powder:
Aluminum powder, commonly known as “silver powder”, is a silver metallic pigment. It is made by adding a small amount of lubricant to pure aluminum foil, crushing it into scaly powder, and polishing it. The aluminum powder is light in weight, high in floating power, strong in hiding power, and good in reflecting light and heat. After treatment, it can also become non-floating aluminum powder.
Aluminum powder can be used to produce many types of explosives and fireworks. It is also used in the manufacture of certain types of electronic products. Many coatings and sealants contain aluminum powder. Certain products designed to carry current, such as solar cells, are usually made of aluminum powder. Rocket fuel is usually made of aluminum, and many solid rocket fuels are based on chemical reactions involving this metal.
Aluminum powder is present in various products from sunscreen to lightweight concrete to solar panels. It is produced by melting aluminum ingots in a gas furnace and spraying molten metal under high pressure into fine granular powders. . Depending on the atomizing gas used to “blow” molten aluminum from the nozzle head, two types of powder can be produced from this process.
The applications of aluminum pigments range from graphic arts and inks to automotive coatings and protective coatings for bridges and buildings. The pigments are made of aluminum powder, almost all of which are made through a wet milling process. Put mineral spirits, an acid lubricant and aluminum powder in the mill. When the mill rotates, the balls in the rotating chamber cascade the aluminum paste in such a way that it flattens out upon impact and breaks the resulting flakes. Feel free to send an inquiry to get the latest price if you would like to buy Aluminum Al Powder in bulk.

Technical Parameters of Aluminum Al powder CAS 7429-90-5:

Item

Purity

APS

SSA

Color

Morphology

Bulk Density

TR-Ag

99%

100nm

20 m2/g

Dark Grey

Spherical

2.7 g/cm3


Note: according to user requirements of nano particles can provide different size products.
 

Product performance of Aluminum Al powder:
The purity is high, the grain-size distribution is good, easy to disperse

 How is Aluminum Al Powder produced? 
1. Melt extrusion method
The method is to heat and extrude the remaining components (resin, etc.) of the metallic pigment and powder coating through a screw extruder. Although metallic pigments and powder coatings can be completely mixed, the selection of metallic pigments in high-viscosity melts is insufficient. In addition, the metallic effect of the metal powder produced by this method is gray during construction. Therefore, this method is only used to produce hammer powder.
2. Dry blending method
The method is to add the metal pigment dry powder into the pulverized powder coating and mix it with a mechanical mixer. The advantage of the dry blending method is that the mixing of metallic pigments and powder coatings is not very intense, thereby preventing the deformation of the flake metallic pigments, and the metallic effect will not be affected. In addition, the loose pigment/resin mixture is also very conducive to the option of metallic pigments and improves the glitter effect. The disadvantage of this method is that when automatic spraying equipment is used to process the recycled powder, there is a big difference in the shape, density, and carbides of the metallic pigment and resin powder particles, resulting in separation.
3. Supplementary fixing method (bonding process)
In this method, the metal pigment and powder coating are dry-mixed at the same time and heated at the same time, so that the temperature just exceeds the softening point of the resin. At this time, the metal pigment can be fixed on the surface of the adhesive resin powder to prevent the powder from being constructed. The separation of metallic pigment and resin powder during recycling after neutralization construction. It is the popular bonding law.
4. Jet milling method
This method is produced using the principle of supersonic airflow pulverization. Because the aluminum powder is easy to oxidize, it is generally produced by using the JZDB series nitrogen shielded airflow pulverization classifier to produce an ultrafine aluminum powder.


Application direction of Aluminum Al powder:
Aluminum is a metal element in the crust of bauxite. Aluminum is extracted from bauxite and then separated using a chemical method called the Bayer process. Aluminum is a soft and easy-to-shape silver medal and is non-toxic and non-magnetic. Aluminum is available in both solid and powder form and has a wide range of uses on both commercial and personal levels.
Explosive
Aluminum powder is extremely flammable, so one of the most common uses is in pyrotechnic displays. The aluminum powder burns very brightly and produces different flashing effects in the firework show by using different grades of powder. It is also used in a similar way to the explosive composition used in commercial mining. In the past, when photography was still in its infancy, the aluminum powder was also used to make camera flashes.
Paint
Aluminum powder is often used to make metallic silver pigments and is sometimes sold as aluminum bronze in art shops. Aluminum bronze is flake aluminum powder, usually coated with talc or other compounds that reduce its reactivity. Pigments made from aluminum powder are commonly used as coatings in the electronics, packaging and automotive industries. Aluminum powder can also be used to produce thick pastes, which are then coated on the back of photovoltaic solar cells to make them conductive.
Fingerprint powder
Aluminum powder is often used at crime scenes to form potential fingerprints on smooth, non-porous surfaces. According to the British Home Office, aluminum flake powder is the most effective fingerprint powder used on glass. Except for silver, when used on most colored surfaces, aluminum flake powder can provide good contrast. In order to form a print, a small amount of aluminum powder is applied to the surface with a “Zephyr” brush made of fine glass filament, and the aluminum particles adhere to the print and make it visible.
Rocket fuel
Aluminum powder is an important component of solid propellant used in missile and rocket fuel. The easy availability of aluminum powder, coupled with its high reactivity and flammability, means that when used as a solid fuel, it can be used in large quantities, providing a large amount of thrust at a relatively low cost. A well-known example of aluminum powder used in this way is the reusable solid rocket motor of the NASA space shuttle.


Storage conditions of Aluminum Al powder:
This product should be stored in dry, cool and sealing of the environment, can not be exposure to air, in addition, should avoid the heavy pressure, according to ordinary goods transportation.

Packing & Shipping of Aluminum Al powder:
We have many different kinds of packing which depend on the aluminum Al powder quantity.
Aluminum Al powder packing: vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Aluminum Al powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.
Aluminum Al Powder CAS 7429-90-5插图

Aluminum Al Powder Properties

Other NamesAluminum particles, Aluminum microparticles, Aluminum micropowder, Aluminum micro powder, Aluminum micron powder, Aluminum submicron powder, Aluminum sub-micron powder, 11010, 653608, 202584, 11009, 266515, 1.01056, 10576, 11067
CAS No.7429-90-5
Compound FormulaAl
Molecular Weight26.98
AppearanceSilvery powder
Melting Point660.37 °C
Solubility in waterN/A
Density2700 kg/m3
Purity99.00%
Particle Size100nm
Boling point2467 °C
Specific Heat0.215 Cal/g/ K @ 25 °C
Thermal Conductivity2.37 W/cm/ K @ 298.2 K
Thermal Expansion(25 °C) 23.1 µm·m-1·K-1
Young’s Modulus70 GPa
Exact MassN/A
Monoisotopic MassN/A
  
  

Stainless Steel Powders SS316L Health & Safety Information

Safety WarningDanger
Hazard StatementsH228
Flashing pointN/A
Hazard CodesF
Risk CodesN/A
Safety StatementsN/A
RTECS NumberBD0330000
Transport InformationUN1309 – class 4.1 – PG 2 – Aluminum powder, coated
WGK Germanynwg
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