The coating structure of color-coated coils usually consists of base material, zinc coating, primer layer, adhesive coating, color coating and protective film. One of the main functions of color-coated sheet rolls is to provide beautiful and diverse color options for construction, manufacturing and other applications to meet different needs. Primer and color coats protect the steel plate from rusting when exposed to the atmosphere and humidity. The coating of color-coated coils usually has good weather resistance and can maintain the stability of color and appearance under different climate conditions. Protective films can provide extra protection during transportation and installation, preventing the coating from scratching or damaging. The primer layer and bonding coat ensure that the coating adheres firmly to the steel plate to increase the durability of the coating.

The coating structure of color-coated coils usually consists of substrate, zinc coating, primer coat, adhesive coating, color coating and protective film. Each layer has its specific function and role.

The base material is usually cold-rolled or hot-dip galvanized steel. This is the base layer of the coating, providing strength and stability. Zinc coating provides anti-corrosion properties and prevents steel panels from rusting. The primer coat is the first coat applied to the substrate and helps provide adhesion and provide a surface for the coating to bond to. Tie coats help provide adhesion, allowing the upper coat to adhere firmly to the primer layer. Color coatings are available in different colors and gloss levels. Protective film is a thin film that covers the color coat to prevent scratches or damage.

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