What are Prepainted Steel Sheets

Organic coatings are applied to the steel sheet, and the coatings can be of different colors, and colored coated steel sheet  thus named, referred to as color sheet, also known as organic coated steel sheet. Since Color coated steel sheet is coated with paint before processing and molding of steel sheet, also known as Prepainted steel sheet. Color coated steel sheet organic coating plays a role in covering the isolation, can prevent the steel plate rust, longer service life.

Classification of Prepainted Steel Sheets

The base metals for prepainted steel sheet consist of cold rolled, HDG electro-galvanized and Hop-dip Zinc-alu-mag base metal. The finish coats of prepainted steel sheets can be classified into groups as follows: polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.

The production process of prepained steel sheet

The production process of prepained steel sheet is more complicated, at that time, with the development of science and technology, has been developed from the beginning of one coating and one baking to two coatings and two baking, also appeared three coatings and three baking process. The improvement of the process directly makes the quality and performance of the product get the greatest guarantee. The application of prepared steel sheet has become more and more extensive, and it is widely used in construction, automobiles, home appliances and transportation.

The color of the prepainted steel sheet

The color of the prepainted steel sheet has a very wide selection, like orange, cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc. bright red, brick red, ivory white, porcelain blue, etc. All these colors are developed according to the customer’s needs, forming a fixed color configuration method. Of course, it is also possible to customize the colors according to the customer’s requirements, however, the production time is relatively long. It is the color of this flowery green that makes the whole world colorful.

The prepainted steel sheet coating type

Among all the ingredients of coil coatings, resin and pigment have the function of duration, and the finish commonly used consist of polyester, silicon modified polyester, polyvinylidene fluoride, high durability polyurethane, etc.

The above is a brief introduction to prepainted steel sheet, including definition, classification, color, coating, etc., so that you have a general understanding. solideck will have a special article later to introduce these contents in detail.