SKU: 14247603629

WS2 powder 5.0um

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Description

WS2 powder 5.0umProduct Name Name: WS2 powder 5. 0um Product Overview Tungsten disulfide (WS2) is a type of transition metal sulfide (TMDC) with a graphene like layered structure, where the layers are stacked together by weak van der Waals forces. Single layer WS2 is composed of three layers of atoms, with the atomic planes of W and S arranged in a hexagonal array. The W atoms are sandwiched between the two layers of S atoms, forming an S W S atomic layer structure

Product Name

Name: WS2 powder 5.0um

Product Overview

Tungsten disulfide (WS2) is a type of transition metal sulfide (TMDC) with a graphene like layered structure, where the layers are stacked together by weak van der Waals forces. Single layer WS2 is composed of three layers of atoms, with the atomic planes of W and S arranged in a hexagonal array. The W atoms are sandwiched between the two layers of S atoms, forming an S-W-S atomic layer structure with a "sandwich" structure. Multi layer or block WS2 is composed of single layers stacked together. Depending on the stacking method of the single layers, WS2 has three crystal structures: 1T, 2H, and 3R.

The synthesis methods of WS2 are mainly divided into two categories: "top-down" stripping method and "bottom-up" method. The "top-down" exfoliation method includes micro mechanical exfoliation, liquid-phase exfoliation, and lithium-ion intercalation, mainly using physical means to exfoliate the bulk WS2 into a single-layer or few layer layered structure. The "bottom-up" method includes chemical vapor deposition, hydrothermal method, and high-temperature thermal decomposition method, mainly using chemical means to grow atoms and molecules into nanoscale thin films and granular WS2 under certain environmental conditions.

Technical Parameter

WS2: ¡ãC9.9%

W: ¡ãC3.0%

Particle Size: 5.0μm

acid-base property: Neutral

Appearance: Powder

Color: Ash black

 

Product Features

Layered structure: composed of a layered structure similar to graphite, with weak bonding between layers.

Good lubrication performance: With a low coefficient of friction, it performs well in the lubrication field and can effectively reduce wear between mechanical components.

Excellent electrical performance: It is a semiconductor material with certain conductivity and potential applications in electronic devices.

Good stability: It is not prone to chemical reactions with other substances in the environment and can maintain its structure and properties at high temperatures.


Application Fields

Lubricant: WS¡ãCis a solid lubricant widely used in equipment for high temperature, high pressure, high speed, high load, and transportation in chemically active media.

Petroleum catalyst: WS¡ãCcan be effectively used as a catalyst for hydrogenation, desulfurization, polymerization, reforming, hydration, dehydration, and hydroxylation processes due to its excellent cracking performance, high catalytic activity, and long service life.

Energy storage electrode material: WS¡ãCis a layered material with good thermochemical stability, lithium storage performance, and fast electron transfer rate, which can effectively improve the energy density and structural stability of electrode materials.

Additives for high-performance lubricants: Adding an appropriate amount of WS¡ãCnanoparticles to the lubricant can greatly improve its lubrication performance, reduce friction coefficient, and increase oil film strength.

Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

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SKU: 14247603629

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Doc Watson
Waukegan, US
★★★★★ 4
An origins story of sorts
Format: Paperback
Darth Vader is an angry man. Recently Anakin Skywalker, hero of the Republic, the Chosen One in the eyes of some of the Jedi, he is now a literally broken man, as much machine as human, as result of losing a battle with his former master—and ‘brother’—and left to die along the lava rivers of Mustafar. Worse, he is bereft of his great love, Padme Amidala, and is at least the proximate, if not the direct, cause of her death. So yeah, he has a few things to work out. This first volume of the second DV run from Marvel focuses on how Vader becomes Vader, the Dark Lord of the Sith that strikes fear in the hearts of friend and foe alike. The plot here across the six collected issues is fairly minimal. Having lost his lightsaber to Obi-Wan in the Mustafar fight, he needs a new one, and it needs to a Sith saber, which can only be gotten by taking a saber from a foe and “bleeding” it, by infusing its crystal with all the hate and anger that drives the Sith. In the process, this will turn the crystal’s light red (thus explaining why Sith sabers are the color they are). So, the first three issues are about him acquiring and crafting said saber. The other issues are his rocky introduction to and training of the Inquisitorious, the Emperor’s new Jedi hunters. So, with six issues of not a whole lot of story, does this collection work? To my surprise, yes it does. This is all about emotion, and if there is a standout star, it’s Vader’s rage. His former life gone, crushed and burned in the fires of Mustafar, Vader’s going to forge a new one in the very flames of his anger. Writer Charles Soule has done a fine job in depicting this inner turmoil and translating it into the foundations of the Dark Lord’s new life. Also nicer is artist Giuseppe Camuncoli’s work. The artwork is dynamic—Vader is agile, fluid and skillful —and interesting. It’s good stuff and does a fine job giving us insight to Vader’s state of mind. As I’ve said, there’s not a whole lot of story here, but there is a fine character study of damaged man rebuilding himself into a powerful and formidable individual.
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Reviewed in the United States on April 3, 2023
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Kenny Smith
Louisville, US
★★★★★ 5
Good story
Format: Paperback
Awesome to see what happens right after episode 3
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Reviewed in the United States on November 5, 2025
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Zack Klesel
Chelsea, US
★★★★★ 5
I love star wars
Format: Paperback
Yet, I love his comic book so much. I love Star Wars a lot too. I mean, this is a lot. This is a really cool comic. I love seeing dark vader fight like it's really cool
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Reviewed in the United States on May 30, 2026
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KB2187
Birmingham, US
★★★★★ 5
Vader's Second Marvel Series Is Good!
Format: Paperback
This is actually the start of a second Vader series. The first one began, along with the new Marvel main Star Wars series, right after the Death Star was destroyed. That Vader series birthed the new characters of Doctor Aphra, Triple Zero, BeeTee, and Cylo. Now, that series has come to an end. THIS NEW SERIES IS GOOD! It picks up the moment that Anakin Skywalker awakes in his armor at the end of Revenge of the Sith. It chronicles the first steps of Darth Vader. We learn something new about the Sith. They do not create their own lightsabers. They must take a saber from a Jedi and make it their own. The Sith blades are red and only red. Why? Palpatine explains that the kyber crystals that power the sabers are living things within the Force. This is backed up by the Rogue One novel (it was either that or Catalyst). The crystals are rock, but they are also alive. In the hands of a Sith, the new owner uses the Dark Side to push all his pain into the crystal--until the crystal bleeds and turns the color of the beam red. I just think that is all sorts of awesome!
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Reviewed in the United States on May 11, 2018
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PWDecker
Alexandria, US
★★★★★ 5
Vader when he still is Anakin
Format: Paperback
This comic picks up right where Episode III left off. Like directly. There's the whole "Noooooooooo" thing and everything. I liked seeing Vader when he is new to being a Sith. It really is Anakin under there still. Throughout the comic, that Anakin begins to fall away. I liked the mix of prequel and original trilogy aesthetic. Seeing Vader alongside clone troopers was very cool. The Grand Inquisitor even makes a cameo! I read the Dark Horse comics that took place right after Order 66 so certain aspects of this comic remind me of those. In this comic, there are jedi who took the Barash Vow prior to the Purge, so they are still out and about in the galaxy. Vader takes this opportunity to take a lightsaber and make it bleed. I really enjoyed this first volume in a new, ongoing comic series. I am absolutely excited for volume two. I give this volume a 5/5.
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Reviewed in the United States on December 29, 2017

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