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    Home > Coatings News > Paints and Coatings Market > Do you know what are the uses of industrial anticorrosive paint?

    Do you know what are the uses of industrial anticorrosive paint?

    • Last Update: 2021-05-07
    • Source: Internet
    • Author: User
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    Do you know what are the uses of industrial anticorrosive paint? First of all, let us popularize what is industrial anti- corrosion paint? Industrial anti- corrosion paint is a paint coating with excellent anti-corrosion effect against various corrosion conditions, such as acid, alkali, salt spray, chemicals, high temperature, and mechanical wear.
    Nowadays, there are many kinds of anti-corrosion paints and their applications are also very wide.
    Do you know the role of industrial anti-corrosion paints?
    Let's take a look with the
    editor of Zhongtu!

    First of all, let us popularize what is industrial anti- corrosion paint? Industrial anti- corrosion paint is a paint coating with excellent anti-corrosion effect against various corrosion conditions, such as acid, alkali, salt spray, chemicals, high temperature, and mechanical wear.
    Let's take a look at the editor!




    1.
    Shielding function:

    1.
    Shielding function:

    Industrial anticorrosive paint is a polymer solution or concentrated dispersion, through a certain coating method.
    Coated on the surface of the object, dried or cured to form a coating film, thereby preventing external corrosive media from contacting the metal surface under the coating film and avoiding metal corrosion.
    From an electrochemical point of view, a coating film with good shielding properties and poor permeability.
    The corrosion pool is difficult to form and the electrode reaction is difficult to proceed, which plays a protective role.

    2.
    Corrosion inhibition and passivation effects:

    2.
    Corrosion inhibition and passivation effects:

    In addition to the film-forming material contained in the industrial anticorrosive paint, various pigments can be added as needed, such as the addition of eight alkaline materials, when water or acid substances penetrate through the pancreas.
    Alkaline pigments neutralize these substances, so that the coating film and the metal interface remain microalkaline, and the metal is passivated.
    Thus showing the anti-corrosion effect, some pigments can also react with fatty acids in the film forming metal soap to act as a corrosion inhibitor.
    If you add eight soluble pigments (chromates such as zinc chromate: pigments), these pigments will dissolve chromate ions in contact with water.
    With its strong oxidizing effect, the metal surface is passivated to prevent corrosion.

    3.
    Electrochemical effect:

    3.
    Electrochemical effect:

    When industrial anticorrosive paint contains a large amount of metallic zinc powder, a micro-battery composed of zinc powder and substrate steel plate is formed.
    Electrochemically, zinc is a more active and heavy metal than steel, so the current flows from zinc to steel.
    , The zinc-containing coating becomes the anode and the steel becomes the cathode, thereby protecting the steel from corrosion.

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