Tungsten carbide is commonly used in mechanical seals, which is extremely tough and stiff and has very good abrasion resistance. Two common metal binders, cobalt and nickel, are used. Typically 6% binder materials are used in mechanical seals, although a wide range is available. Nickel-bonded tungsten carbides are more prevalent in the wastewater pump market due to their improved corrosion resistance compared with cobalt bound materials.
Seal face components made from solid silicon carbide are particularly well suited to abrasive and corrosive applications and can handle a wide range of temperature extremes. These components are excellent thermal conductors and can be specified where high strength and stiffness are required. Reaction bonded Silicone Carbide is also satisfactory for sealing faces, while it has excellent wear characteristics.
If you have any interest in Tungsten Carbide Seals, please feel free to contact us by email: sales@chinatungsten.com or by telephone:86 592 5129696.
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