Can silicon carbide be used for the stationary and rotating rings of the mechanical seal in hydrofluoric acid medium pumps?
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Can silicon carbide be used for the stationary and rotating rings of the mechanical seal in hydrofluoric acid medium pumps?
Pressure-free sintered silicon carbide is required when transporting hydrofluoric acid. Reactive sintered silicon carbide contains impurities such as free silicon and silica; these impurities cannot withstand the corrosion caused by hydrofluoric acid. As a result, when they are corroded, it damages the main structure and reduces the surface finish.
Silicon carbide sintered under pressure-free conditions. Correct answer.
No. Use pressureless sintered silicon carbide, SSIC.
Our ceramic membrane tubes are made of silicon carbide, allowing them to resist hydrofluoric acid!
It’s not allowed. It is necessary to perform pressure-free sintering of silicon carbide