Materials / Resources & Advanced Materials
W (Tungsten) Compounds
Procurement From China’s Top Supplier to Meet All the Needs of Applications Our Customers
Tungsten is a rare metal, which has the highest melting point of any metals and also has a high degree of hardness. Iwatani has supplied various tungsten materials for use in a wide range of applications, including carbide tools, catalysts, and special steel for many years from a supplier in China which has a 68% share of wolframite (black tungsten), one of the mineral ores of tungsten. This enables us to respond to customers’ various needs, in the form of stable medium/long-term supply, reduced costs, and small-volume supply for new development applications.
Iwatani’s Strengths
- 1. Supplying a comprehensive range of tungsten raw materials over the years for applications across wide-ranging industrial sectors
- 2. Assured and stable medium/long-term supply
- 3. Flexibility to provide small volumes for applications involving innovative new developments
- 4. Products can be provided with the optimum purity (99% to 99.99%) and particle size to suit the particular application.
- 5. We meet customer requirements across the range of volumes, from R&D to industrial production scales.
Products Available
Tungsten Metal
Product | Mean Particle Diameter (µm) | W (%) | Mo (%) |
---|---|---|---|
Tungsten metal powder | 0.4 to 40 | ≥ 99.9 | < 0.002 |
Sodium Tungstate
Product | WO3 (%) | Na2WO4・2H2O (%) | Mo (%) |
---|---|---|---|
Sodium tungstate | ≥ 69 | ≥ 69 | < 0.002 |
Tungsten Trioxide
Product | Mean Particle Diameter (µm) | WO2.9-2.97 (%) |
---|---|---|
Blue tungsten oxide (BTO) | 7to18 µm | ≥ 99.95 |
Yellow tungsten oxide (YTO) | 10 to 18 µm | ≥ 99.95 |
Tungsten Carbide
Product | Mean Particle Diameter (µm) | W (%) | Mo (%) |
---|---|---|---|
Tungsten carbide (WC) | 0.5 to 30 | ≥ 99.8 | < 0.003 |
*15 grade available by particle size
Ammonium Paratungstate (APT)
Please inquire for detailed specifications for ammonium paratungstate (APT).
Ammonium Metatungstate (AMT)
Please inquire for detailed specifications for ammonium metatungstate (AMT).
Please inquire for information on other tungsten compounds.
Please inquire for more information.
Resources & Advanced Materials Department
Tokyo
81-3-5405-5835
Osaka
81-6-7637-3110
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