Overview of WS2 tungsten disulfide lubricant additives:
WS2 tungsten disulfide is a layered value of a gray-black hexagonal lattice. Each layer is composed of two layers of sulfur atoms and two layers of sulfur atoms sandwiched between 2:1 tungsten atoms. Among them, there is a strong covalent bond between the S atoms and the W atoms, and the interlayer S atoms are connected by van der Waals forces. The special crystal structure makes WS2 more excellent in extreme pressure performance, anti-wear and anti-wear properties, heat and oxidation resistance, etc.
WS2 Tungsten Disulfide Lubricant Additive Application:
What is the scope of application of tungsten disulfide lubricant additives?
WS2 tungsten disulfide is used as a solid lubricant, dry lubricant and self-lubricating composite material: Nano WS2 is the best solid lubricant with a friction coefficient of 0.01~0.03, a compressive strength of up to 21.0 MPa, acid and alkali corrosion resistance, and Excellent load resistance, non-toxic and harmless, wide operating temperature, long lubrication life, and low friction coefficient.
Nano WS2 tungsten disulfide is an important additive for the production of high-performance lubricants. Research has found that adding an appropriate amount of WS2 nanoparticles to lubricating oil can significantly improve the lubricating performance of lubricating oil, reduce the friction coefficient by 20% to 50%, and increase the strength of the oil film by 30% to 40%. Its lubrication performance is far better than nano MoS2. Under the same conditions, the base oil lubricating performance of nano WS2 tungsten disulfide is better than that of conventional particles, and it has excellent lubricating performance. The results show that the combination of fluid lubrication and reliable lubrication, and has the advantage of adding nanoparticles, can achieve lubrication in the full range from room temperature to high temperature (≥800℃). Therefore, nano-WS2 tungsten disulfide can be used as an additive to synthesize a new type of lubricating system, which has broad application prospects.
WS2 tungsten disulfide can be used as a lubricant, with better performance than molybdenum disulfide, lower friction coefficient and higher compressive strength. Separately used for high temperature, high pressure, high speed, high load and equipment operating in chemically active media. WS2 forging lubricants configured with tungsten disulfide and other materials can extend the life of the mold and improve the product finish. The filling material is configured with PTFE and nylon to make self-lubricating parts. In addition, tungsten disulfide can also be used as a petrochemical catalyst. Its advantages are high cracking performance, stable and reliable catalytic activity, and long service life.
WS2 Tungsten Disulfide Lubricant Additive Price:
The price of WS2 tungsten disulfide lubricant additives will vary randomly with the production cost, transportation cost, international situation, and the market supply and demand of WS2 tungsten disulfide lubricant additives. Tanki New Materials Co., Ltd. aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for WS2 tungsten disulfide lubricant additive products, please feel free to contact to get the latest price of WS2 tungsten disulfide lubricant additive.
WS2 Tungsten Disulfide Lubricant Additive Supplier:
As a global WS2 tungsten disulfide lubricant additive supplier, Tanki New Materials Co., Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced engineering materials. The company has successfully developed a series of powder materials (the best engine oil additives for nano-diamond, lithium stearate, nano-copper and nano-oil additives), high-purity targets, functional ceramics and structural devices, and provides OEM services.
| Physical and Chemical Data of Tungsten Disulfide WS2 | ||||
| Item No. | Size(nm) | Purity(%) | SSA(m2/g) | Density(g/m3) |
| TR-WS2-01 | 50 | ≥99.9 | 0.25 | 3.45 |
| TR-WS2-02 | 200 | ≥99.9 | 0.37 | 3.45 |
| Tungsten Disulfide WS2 Properties | |
| Molecular formula | WS2 |
| Melting point | 1250℃ |
| Water solubility | Insoluble |
| Density | 7.5g/cm3 |
| Appearance | Gray powder with metallic luster |
| CAS No. | 12138-09-9 |
| EINECS No. | 235-243-3 |
| Coefficient of friction | 0.03 |
| Compressive strength | 2100Mpa |
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