Blue Tungsten Oxide (BTO) is a blue crystalline powder with CAS No. 12037-58-0 and the chemical formula W20O58.
BTO features a stable crystal structure and good powder flowability. It is a key raw material for the production of tungsten powder and tungsten trioxide, making it suitable for high-precision industrial processing.
BTO is suitable for cemented carbide processing, electronic materials, and the tungsten chemicals industry. It can serve as a direct raw material for tungsten powder and tungsten trioxide. It is widely used in the manufacturing of tools, cutting instruments, electronic components, and other high-tech tungsten products.
Certificate of Analysis
Blue Tungsten Oxide (BTO) Chemical Content
W min content
78%
Impurity Content (%Max.)
Al
0.0005
As
0.001
Bi
0.0001
Ca
0.001
Co
0.001
Cr
0.001
Cu
0.0003
Fe
0.001
K
0.001
Mg
0.0007
Mn
0.001
Mo
0.002
Na
0.001
Ni
0.0007
P
0.0007
Pb
0.0001
S
0.0007
Sb
0.0005
Si
0.001
Sn
0.0002
Ti
0.001
V
0.001
Main Applications
Industrial Applications
Approximately 40% of applications are concentrated in tungsten products such as cemented carbide cutting tools, drill bits, turning tools, rollers, tungsten bars, tungsten wires, and tungsten electrodes. They are also widely used in high-temperature industries, aerospace, automotive, and construction coatings. In addition, APT is applied in flame retardants, radiation shielding materials, and various precision manufacturing fields.
Defense Industry
Tungsten, as a high-hardness material, is widely used in various specialized applications within the defense industry.
Automotive Industry
Tungsten is widely used in the automotive industry for electrode spark plugs, aluminum batteries, and components related to electric vehicles.
Optoelectronic Technology
Widely used in the electronics and semiconductor fields, including heat sinks, mobile phone vibration mechanisms, radiation shielding components, and flame-retardant materials for precision manufacturing.
Medical Field
Thanks to its high density, high-temperature resistance, and excellent shielding properties, tungsten is widely used in radiation shielding materials, radiotherapy accelerators, radiation protection equipment, and precision components for miniature medical devices.