pre-coated galvanized color roll

PPGI (Pre-coated galvanized steel), also known as pre-coated steel or color-coated steel or pre-coated galvanized color roll , is a specially treated steel. The production process is based on hot-dip galvanized steel plate, which is first pretreated on the surface to ensure that the coating can better adhere to the steel surface. Next, one or more layers of liquid paint are evenly coated over the steel plate by a rolling coating process. These coatings are usually made of high-performance materials such as polyester or silicon-modified polyester, which not only give the product an excellent appearance, but also greatly improve the durability and corrosion resistance of the product. The final step is baking and cooling, which allows the coating to cure and bind tightly to the substrate to form a strong protective layer.

As a professional manufacturer based in Shandong Province, China, we specialize in the production of high quality PPGI and PPGL products. Both types of products are available in a variety of specification options to meet the needs of different customers. Whether used as roofing materials, wall panels or other applications in the construction industry, our PPGI and PPGL deliver superior performance. In addition, according to the specific needs of customers, we can customize and develop high-quality solutions with a service life of more than decades, ensuring that every user can get a satisfactory service experience.

Pre-coated galvanized color coated coil is a specially treated steel product, which forms a zinc layer on the surface of the steel plate through a hot dip galvanizing process to enhance its corrosion resistance. Subsequently, this zinc layer is coated with one or more layers of color coating, which can not only further improve the corrosion resistance of the material, but also give it a beautiful appearance and good decorative effect. This material is widely used in construction, home appliances, transportation and other fields, and is favored by the market because of its excellent weather resistance, processing performance and cost effectiveness.

Specifically, the production process of pre-coated galvanized color coated rolls includes the following steps:

Substrate preparation: Select high quality cold rolled steel plate as the base material.

Hot dip galvanizing treatment: the steel plate is immersed in the molten zinc liquid, so that its surface is uniformly covered with a layer of zinc, so as to achieve the purpose of rust prevention.

Surface pretreatment: chemical cleaning, phosphating and other processes are carried out on the galvanized steel plate to prepare for subsequent painting.

Color coating construction: Using continuous roll coating, evenly apply primer, top paint (and possibly intermediate layer) on the pre-treated steel plate, and bake curing.

Quality inspection and packaging: After the completion of all production processes, the finished product needs to be strictly checked for quality control before it can be stored in the warehouse or sent directly to the customer.

Due to the advantages of long service life, low maintenance costs and diversified color choices, pre-coated galvanized color rolls have become an indispensable part of modern industrial manufacturing.