Lingwu, Yinchuan, Ningxia, China sales2@sinochem-nanjing.com 3170906422@qq.com
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Tungsten Disulfide

    Specifications

    HS Code

    575981

    Chemical Formula WS2
    Molar Mass 247.97 g/mol
    Appearance Dark gray to black powder
    Melting Point 1,250 °C
    Density 7.5 g/cm³
    Crystal Structure Hexagonal
    Band Gap 1.35 eV (bulk), ~2.0 eV (monolayer)
    Solubility In Water Insoluble
    Thermal Conductivity 32 W/m·K
    Lubrication Property Excellent solid lubricant
    Magnetic Property Diamagnetic
    Electrical Conductivity Semiconducting
    Hardness 2–3 Mohs

    As an accredited Tungsten Disulfide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Tungsten Disulfide, 100g, is packaged in a sealed, labeled amber glass bottle with screw-cap, placed inside a protective carton.
    Storage Tungsten disulfide should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area. Protect it from moisture and incompatible substances such as strong acids and oxidizers. Ensure proper labeling and keep away from direct sunlight and sources of ignition. Use appropriate personal protective equipment when handling and avoid generating dust.
    Shipping Tungsten Disulfide is shipped in tightly sealed containers, away from moisture and incompatible substances. Packaging typically complies with international regulations, such as those of the United Nations (UN); it is not regulated as a hazardous material for transport. Store and ship in cool, dry conditions to maintain product integrity.
    Free Quote

    Competitive Tungsten Disulfide prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615380400285

    Email: sales2@sinochem-nanjing.com