As we know, among the plates of plate heat exchanger, titanium plate is unique for its excellent resistance to corrosion. And in the selection of gasket, viton gasket is famous for resistance to acid and alkali and other chemicals. So can they be used together to improve the corrosion resistance of plate heat exchanger?
In fact, Titanium plate and viton gasket cannot be used together. But why? It is the corrosion resistance principle of titanium plate that the two things cannot be used together, because titanium plate is easy to form a layer of dense titanium oxide protective film on the surface, this layer of oxide film can be rapidly formed in the oxygen-containing environment after destruction. And this allows the destruction and repair (repassivation) of the oxide film to be maintained in a stable state, protecting the titanium elements inside form further destruction.