There are a number of corrosion protection methods, but what exactly are they?
Active corrosion protection
The end goal of active corrosion protection is mostly to influence the reactions which often happens during corrosion, with the result being able to control not only the package contents, but also the reaction itself. This is done in such a manner that corrosion is avoided. Examples of this can be found in the development of corrosion-resistant alloys, along with inhibitors.
Passive corrosion protection
In passive corrosion protection, damage is ultimately prevented by isolating the contents from the aggressive corrosive agents by using various protective layers or films. However, though this is a form of protection, using this type of corrosion protection will not change the ability of the packaging contents corrosion chances, nor will it change the aggressive levels of the corrosive agent. This approach is known as ‘passive corrosion’ protection.
Permanent corrosion protection
The purpose of permanent corrosion protection is to provide any protection at the place of use. The stresses presented by biotic, climatic and chemical factors are often slight in this situation. Machines are located in factory sheds and are therefore protected from the extreme variations in temperature that can happen, which is the common cause of condensation.
Temporary corrosion protection
The stresses that can occur during transport and storage are often greater than those that occur at the place of use. Stresses can be manifested, for example, from extreme variations in temperature, which often result in a risk of condensation.
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