Epoxy zinc rich primer is a special coating mainly composed of epoxy resin and zinc powder. This type of paint is named after its high proportion of zinc powder, which forms a continuous layer of zinc in the paint film. By sacrificing the anode principle (i.e. zinc has higher electrochemical activity than iron, so zinc will oxidize first to protect the metal substrate from corrosion), it provides excellent rust and corrosion protection.
The main components of epoxy zinc rich primer include epoxy resin, zinc powder, thickener, filler, additive, and solvent. Its characteristics include:
Excellent anti-corrosion performance:
The zinc powder content in the paint film is high, providing cathodic protection and excellent water resistance.
01
Strong adhesion:
Epoxy resin gives this paint excellent adhesion and can firmly adhere to metal surfaces.
02
Quick drying:
Natural drying is fast and helps improve construction efficiency.
03
Strong rust prevention performance:
The presence of zinc powder enables epoxy zinc rich primer to provide excellent rust and corrosion protection.
04
Epoxy zinc rich primer is suitable for various occasions, such as anti-corrosion protection of steel structures, bridges, ships, storage tanks, etc. Due to its poor weather resistance, it is usually required to be used in combination with topcoats such as epoxy mica iron intermediate paint or acrylic polyurethane topcoat to enhance the overall protective effect. In addition, epoxy zinc rich primer is also suitable for harsh corrosive environments such as offshore oil drilling platforms, harbor facilities, and chemical equipment.
Construction methods and precautions
In short, epoxy zinc rich primer is an efficient and durable anti rust primer, especially suitable for metal structures that require long-term anti-corrosion protection.
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