What are the varieties of acid and alkali resistant industrial anticorrosive paints?
The choice of paints, especially anti-corrosion paints, is a relatively specialized field. For paint customers who need anti-corrosion under special circumstances, when choosing paints, once the suitable paint varieties are selected, the desired results are often not achieved.
There are many anti-corrosion paint companies in the market. How to choose a professional anti-corrosion paint company is especially important. The anti-corrosion paint company must first understand the varieties and characteristics of anti-corrosion paint. Now Hefei Xianghe Phosphate is in Here to explain to you what kinds of acid and alkali resistant anti-corrosive paint.
Below, this article makes a brief introduction to the acid and alkali resistant anticorrosive paint varieties, for the anti-corrosion coating users to choose the coating reference. However, customers are advised to consult professional industrial paint manufacturers and anti-corrosion paint companies when choosing anti-corrosion coatings.
The acid-resistant anti-corrosion paints are:
Asphalt paints, including the following varieties: asphalt acid-resistant anti-corrosive paint, epoxy coal asphalt paint, this type of paint is mainly used for anti-corrosion coating of buried steel structures and pipelines.
Epoxy paint, epoxy anti-corrosion topcoat, epoxy cloud iron intermediate paint, epoxy light gray primer, etc., epoxy paint's acid resistance is not outstanding, usually used as a primer for anti-corrosive paint.
Polyurethane anticorrosive paint. There are the following varieties:
Polyurethane topcoat (indoor variety), used for indoor mechanical equipment, steel structure anti-corrosion, decorative coating.
Acrylic polyurethane topcoat (outdoor variety), used for outdoor steel structure, engineering facilities, machinery, vehicles, bridge anti-corrosion and decorative finish. The paint has good acid resistance.
The chlorinated rubber topcoat also has certain acid-base characteristics, but it has been gradually replaced by acrylic polyurethane topcoat due to its poor environmental performance.
High chlorinated polyethylene paint, perchloroethylene varnish, etc. are also resistant to acid and alkali, but must be used with the corresponding primer. This type of paint is resistant to acid and alkali and weather resistance, but not heat resistant.
Anti-corrosion paints with good alkali resistance are: epoxy anticorrosive paint, perchloroethylene paint, high chlorinated polyethylene paint, silicone heat resistant paint and other varieties.
Acid and alkali resistance is only a property of anti-corrosion paint. For specific paint selection, it should be analyzed according to the actual corrosion environment, and the appropriate coating assembly sleeve should be selected. At the same time, the acid and alkali resistance of anticorrosive paints are mostly unsuitable for the corrosion of strong acids and alkalis. The pH range is between 5-9 , and the coatings with good acid and alkali resistance can be appropriately relaxed.
[This article is edited and edited by Xianghe Industrial Paint Department. If you need to reprint, please indicate the source in the form of a link, thank you!
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