July 6, 2020

Classification of anti-corrosion coatings

Many parts used in life need to be painted with anti-corrosion coating to protect the internal structure. The importance of this anti-corrosion coating is self-evident. This article mainly elaborates the importance of using coating thickness gauge to detect anti-corrosion coatings.
In order to protect the internal structure of the metal or keep the pipeline smooth and functioning normally, we will coat a layer of material on the surface for isolation protection. This is what we call an anti-corrosion coating. Its thickness and corrosion resistance have a very close relationship. Professionals will use a coating thickness gauge to measure.
1. The role and classification of anticorrosive coatings
In daily construction, the functions of anti-corrosion coatings are various. But the most important thing is to protect against wear. The anti-corrosion coating has protective and decorative effects.
Protection: Use surface coating to isolate oxygen, moisture, chemicals, impurities, etc. in the external environment to prevent the internal structure from being oxidized or abraded. In addition, it can also help the external pressure of the internal metal area. The anti-corrosion coating also has certain insulation properties, which can avoid conduction.
Decorative effect: The decorative effect of the anticorrosive coating is inferior. We will paint the color of the surface of the anticorrosive layer according to the specific needs of the place decoration. The selection of paint will also judge the decorative effect.
The classification of anti-corrosion coatings is as follows:
No. Classification Standard Item
1 Substrate Epoxy anticorrosive coating
Scale anti-corrosion coating
Epoxy polyester hybrid
Outdoor pure polyester
2 Temperature Low temperature anti-corrosion coating
Normal temperature anti-corrosion coating
High temperature anti-corrosion coating
Second, the importance of applying a coating thickness gauge to detect anticorrosive coatings
The performance of the anti-corrosion coating is greatly related to its spraying process, spraying thickness and spraying material. When conducting product inspection, we will use a coating thickness gauge for inspection.
The importance of coating thickness gauges in the field of anti-corrosion coating testing is self-evident. Too thick anti-corrosion coating will cause waste of anti-corrosion materials, and the cost will be greatly increased. And after a period of use, the anti-corrosion coating will also crack and detach. This is not conducive to the optimal use of material and financial resources. Too thin anti-corrosion coating has poor protection performance and insufficient aesthetic effect, which can easily lead to metal wear and corrosion.