What is Black Tungsten Wire?

black tungsten wire image

Black tungsten wire is a filament made of tungsten metal. Usually, the surface is not polished or specially treated, and the graphite emulsion is attached, showing a dark gray or black appearance, hence the name "black tungsten wire". Tungsten is a high melting point (about 3422°C), high density, corrosion-resistant metal, and is widely used in many fields due to its excellent physical and chemical properties. Black tungsten wire is mainly made by powder metallurgy and wire drawing. Its surface may retain trace oxides due to oxidation or production process, so the color is darker.

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Application of Tungsten Wire in Automobile Defrosting Glass

tungsten wire for glass heating image

The high melting point and conductivity of tungsten wire make it an ideal heating element. The application of tungsten wire in automobile defrosting glass is mainly reflected in the electric heating defrosting system, especially in the defrosting function of rearview mirror, rear windshield and part of the front windshield.

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Application of High-Density Tungsten Alloy Counterweights in the Shipping Industry

Image of CTIA GROUP LTD High-Density Tungsten Alloy Counterweights

Across the vast and boundless ocean, ships and marine engineering structures are like drifting "islands," constantly facing the challenges of a complex and ever-changing marine environment. The relentless pounding of waves, the fierce blowing of sea winds, the periodic rise and fall of tides, and the continuous impact of ocean currents all place extremely high demands on the stability of marine engineering structures and ships. A slight misstep could cause a ship to lose balance, leading to cargo damage or threats to personnel safety. Similarly, stability issues in marine engineering structures could disrupt operations, result in significant economic losses, and cause severe environmental damage.

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Application of Tungsten Wire in Automobile Defogger Glass

tungsten wire for glass heating image

The application of tungsten wire in automobile defogger glass is mainly reflected in the defogger heating system of rearview mirror and rear windshield, which achieves rapid heating defoggering through its high resistance and high heat resistance, improving driving safety.

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Ammonium Tungsten Bronze

Image of ammonium tungsten bronze

Like sodium tungsten bronze (NaₓWO₃) and potassium tungsten bronze (KₓWO₃), ammonium tungsten bronze ((NH₄)ₓWO₃) is also a type of tungsten bronze. Although NaₓWO₃, KₓWO₃, and (NH₄)ₓWO₃ share similar crystal structures, such as cubic or tetragonal forms, their physicochemical properties and applications differ slightly due to the varying elements added.

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