SKU: 54394878916

WS2 powder 3.8um

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Description

WS2 powder 3.8umProduct Name Name: WS2 powder 3. 8um 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 3.8um

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: 3.8μm

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: 54394878916

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Rachel Bower
Belleville, US
★★★★★ 5
Casper approved
Style: SPF 50, Size: 9.5 Ounce (Pack of 1)
Half German, half Irish strawberry blonde = fair AF skin. Best sunscreen I’ve ever used. Took it to Mexico and didn’t burn at all.
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Reviewed in the United States on March 8, 2020
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Sarah Miller
Phoenix, US
★★★★★ 5
Great Sunscreen
Style: SPF 50, Size: 9.5 Ounce (Pack of 1)
It's really awesome and easy to use. Great value for the price.
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Pri
Cuba, US
★★★★★ 5
Love this — it’s my go-to in the summer
Style: SPF 50, Size: 9.5 Ounce (Pack of 1)
A good basic sunscreen without any red flag ingredients
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Reviewed in the United States on July 25, 2019
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Nancy H
Houston, US
★★★★★ 5
Reef friendly
Style: SPF 50, Size: 9.5 Ounce (Pack of 1)
Loved it for Aruba
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Clay Shooter
Birmingham, US
★★★★★ 5
worked great for national park where traditional sunscreen is not allowed
Size: 6 Fl Oz (Pack of 1)
In a national park preserve where some traditional sunscreens are not allowed, this one is allowed as it is "reef safe" without anything other than zinc/titanium dioxide as the active ingredients. Worked fine, rubs in well and doesn't make you look white as a ghost.
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Reviewed in the United States on January 20, 2025

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