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China, Chinese Factory Supply Tungsten Sulfide Ws2 CAS 12138-09-9 with Low Price1 Industrial Products Supplier Manufacturer Details, price list catalog:
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Inorganic SaltSulfideTungsten SulfideWs2
Shanghai Epoch Material Co., Ltd.
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Product Description Factory Supply Tungsten sulfide WS2 CAS 12138-09-9 with low priceProduct Name:TUNGSTEN SULFIDESynonyms:Tungsten Disulfide dispersion;Tungsten sulfide (metals basis);Tungsten(IV) sulfide powder;Tungsten disulfide, particle size 0.7-1.1 micrometer;Wolfram(IV)disulfide;tungsten disuIlfide;Tungsten Disulfide Micro powder;Tungsten Disulfide NanoparticlesCAS:12138-09-9MF:S2WMW:247.97EINECS:235-243-3SpecificationProduct NameTungsten sulfideFormularWS2AppearanceGrey powderPurity>99.9% ApplicationTungsten disulfide (WS2) in bulk has been used for many years as a dry lubricant due to how it exhibits properties of a low coefficient of friction, high chemical stability, and thermal stability. In 1992, it was discovered that the structure of WS2 made it capable of forming nanotube structures. These nanotubes were the first examples of WS2 being used as a low-dimensional material.After the discovery of simple mechanical exfoliation techniques to isolate single layers of 2-D materials, it was possible to study the properties of WS2 flakes. It was shown that, just like MoS2, the band-gap of WS2 change from an indirect band-gap of 1.4eV to a direct band-gap of 2eV when changing from a bulk material to a 2-D material. Due to its band-gap, WS2 is seen as a significantly interesting material for many areas of application.WS2 possesses a high on/off ratio in field-effect transistors, controllable spin and valley polarisation, strong geometrical confinement of excitons, and tunable photoluminescence. Additionally, WS2 could lead to increased interest in areas such as photodetectors and multi-junction photovoltaics.Besides, WS2 is used, in conjunction with other materials, as catalyst for hydrotreating of crude oil.Lamellar tungsten disulfide is used as a dry lubricant for fasteners, bearings, and molds under the brand name Dicronite.Service we can provide1) Formal contract can be signed2)Confidentiality agreement can be signed3) Seven days refund guaranteeMore important: we can provide not only product, but technology solution service! Packaging & Shipping To better guarantee the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided. Company Profile Company IntroductionShanghai Epoch Material Co., Ltd. is located in the economic center---Shanghai. We always adhere to "Advanced materials, better life" and committee to the Research and Development of technology, to make it used in human beings' daily life to make our life more better.Now, we mainly dealing with rare earth materials, nano materials, OLED materials, and other advanced materials. These advanced materials are widely used in chemistry,biology, OLED display, OLED light, environmental protection, new energy, etc.For current time, we have two production factories in Shandong Province. It covers a area of 30,000 square meters, and has workers more than 100 persons, of which 10 persons are senior engineers. We have established a production line suitable for research, pilot test, and mass production, and also established two labs, and one testing center. We test each lot of product before delivery to make sure we provide good quality product to our customer.We welcome customers from worldwide to visit our factory and establish a good cooperation together!There is a old saying in China that we are more than glad to see friends and customers from all over the world!Our company has passed through the management system of ISO 9001, and we have our own SOP system for production, sales, and after sales service! Hope we could provide a good and professional service for you! Marketing CompaignWelcome all customers from worldwide!We have customers worldwide, and till now, have establish a good coopperation with Sumsung, LG, LV, as well as many other customers as well, and for further info, please contact us! FAQ 1) Are you manufacture or trade?We are manufacturer, our factory is located in Shandong, but we can also provide one stop purchasing service for you! 2)Payment terms:T/T(telex transfer), Western Union, MoneyGram, Credit Card, BTC(bitcoin), etc. 3)Lead time≤25kg: within three working days after payment received.>25kg: one week4)SampleAvailable, we can provide small free samples for quality evaluation purpose! 5)Package1kg per bag for samples,25kg or 50kg per drum, or as you required. 6)StorageStore the container tightly closed in a dry, cool and well-ventilated place.
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