High Purity Tungsten Disulfide WS2 Powder CAS 12138-09-9, 99.9%

About Tungsten Disulfide WS2: Tungsten disulfide It is made of both tungsten and sulfur. Tungsten disulfide chemical formula It is WS2 . It belongs to the Transition-Metal Dihalides. It's the most rare type of tungsten. This material is part of certain catalysts used for hydrodesulfurization and hydrodenitrogenation. WS2 tungsten disulfide It is of MoS2 origin and shares a very similar structure. Watoms takes over the MoS2 coordinatesphere. This triangular prism encloses these elements. The layer structure in this prism was warmed to create organic Nanotubes (W2) after 1992. Many WS2 Crystals are dark grey in color and many of them have hexagonal shapes. Layered WS2Crystals can be observed. MoS2 has very little in common with the WS2Crystal lubricant. Many people believed that WS2 would not be affected by ambient oxygen. Studies on single-layer, environment-dependent WS2 oxidation have revealed that the contrary is true. The photooxidation process can quickly transform one layer of the WS2 into high-quality tungstenoxide. You can photooxide under ambient or atmospheric conditions. It is the process of absorbing visible light, and then oxidizing it at 660nm/>1.88eV by using WS2. Only water and oxygen can cause this reaction. You will get tungsten dioxide and sulfuric acids from the reaction. Similar results were obtained for semiconductor transitional metalic dihalides (e.g. The dihalides were subjected to both ambient light and MoS2. Combining hydrofluoric and nitric acids can attack WS2. In oxygen rich areas, WS2 may turn to tungsten dioxide if heated. However, WS2 won't melt when heated. Instead, it will melt into tungsten oxide. The melting temperature of WS2 will be 1250oC
Monolayers of WS2 can be removed by chemical exfoliation. The process involves placing lithium in Hexane, then using ultrasonics to create the Li compound. You can use different agents to get rid of WS2, like chlorosulfonic acid or the lithium halide.

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Tungsten Disulfide details:
Tungsten Dioxide particle sizes: FSSS=0.4 to 0.7 mm; FSSS=0.85-1.15 mm. 80nm
Tungsten Disulfide purity: 99.9%

W	S	Al	As	Cl	Cu	Fe	Ni	P	Si	O
74.12	25.82	0.001	0.002	0.03	0.002	0.005	0.002	0.002	0.003	0.002

It's simple. Tungsten Disulfide WS2 produced?
1. Roasting decomposition method:
Mix the mixture in a bowl for 3 hours. Keep it at 57-60C. Keep the mixture at room temperature for 16 hour. Ammonium-tungstate is made when hydrogen sulfuride gas reacts with ammonium. Ammonium Tetrathiotungstate results. Ammonium Tetrathiotungstate can be heated to create tungstenoxide.
H2WO4+2NH3*H2O-(NH4)2WO4+2H2O
(NH4)2WO4+4H2S-(NH4)2WS4+4H2O
2(NH4)2WS4+3O2-2WS2+4NH3+2S+2SO2+H2O
2. Tungsten doesn't react with liquid sulfur. You can turn the sulfur-vapor color of sulfur to red hot and make WS2. Mixing tungsten with sulfur can result in WS2. Reacting at 600pa, 1600pa can create orthorhombic compounds.
3. By heating the ammonium-tetrathiotungstate and decomposing it, under the condition that the air is isolated, the temperature increases from room to 700 to 1200. It must stay at ambient temperature for at least 24 hours before the temperature can be reduced. After that, it will drop to ambient temperature at a temperature gradient of between 30-110degC/hour. The temperature drops to 30-110degC/hour when it's been left at room temperatures between 24-48 hours.
Ultrafine and extremely fine tungsten dioxide are produced. This process is very safe for the environment.

Applicaciones Tungsten Disulfide WS2:
Tungsten disulfide It's possible. tungsten disulfide lubricant, tungsten disulfide grease.
Tungsten dioxide2W2's friction film is very thin. Tungsten Dioxide's friction coefficient is 0.03. This renders it more powerful than graphite(PTFE), graphite[MoS2],graphite[MoS2],graphite[MoS2],graphite[MoS2],graphite [MoS2], and graphite[MoS2], as well graphite[MoS2], graphite[MoS2], and graphite[MoS2], which makes it even better than graphite(MoS2],MoS2], MoS2],MoS2],MoS2], but not,MoS2], however,MoS2], or graphite[MoS2],MoS2], moS2],MoS2],MoS2],MoS2],MoS2],MoS2],MoS2],M2],MoS2],MoS2],MoS2],MoS2,MoS2 It is extremely lubricious. It is used in the manufacture of electronic equipment like sensors and transistors. Mix this powder with alcohol.
Use WS2 when extruding or molding plastics, and for other purposes.
The oil doesn't need to be lubricated using hydraulic oil. This oil can be combined with synthetic oil, grease or other oils. You can keep fluids protected by sticking to it. The surface is protected from oil and grease. This enhances the quality and efficacy of the oil-based oils.
Tolerances are possible for parts with a diameter less than 1 millimeter.
The WS2 is also useful for maintaining and cooking medical equipment.
The base material can be replaced with WS2 by heating in the ambient. But it does not render the substrate uncontant or unstable.
For greater durability, you can combine WS2 with PVD hard coating.

Tungsten Disulfide Powder Storage Conditions:
The tungsten oxide should never be brought into direct contact with air. Wetness can also affect the disperssion process for WS2 powder. Handling WS2 Powder should be done with care.

Packing and Shipping Tungsten Disulfide WS2 Pulver:
Tungsten dioxideW2 can come in many packages, depending upon its size.
Tungsten Disulfide Powder Packaging: vacuum packing 100g to500g at 1kg/bag @ 25,5kg/barrel. Other options available
Tungsten diulfide Powder Shipping: After payment receipt received, can ship via sea or air.


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