Color Coated Steel Coil

Color coated steel coil is a product of hot galvanized sheet, hot aluminum plated zinc plate, electrogalvanized sheet, etc., after surface pretreatment (chemical degreasing and chemical conversion treatment), coated with a layer or several layers of organic coating on the surface, and then baked and cured. Because coated with a variety of different colors of organic paint color steel coil plate named, referred to as color coated coil.

The color coated steel coil strip using hotdip galvanized steel strip as the base material is pro tectedby zinc layer, and the organic coating on the zinc layer plays the role of covering and protecting, preventing the steel strip from rusting, and the service life is about 1.5 times longer than that of galvanized steel strip.

Color coated steel coil has light weight, beautiful appearance and good corrosion resistance, and can be directly processed. The color is generally divided into white and white, blue, brick red, mainly used in advertising, construction, home appliances, electrical appliances, furniture and transportation industries.

Color coating volume coating according to the use of different environment to choose suitable resin, such as polyester silicon modified polyester, PVC plastic sol, polyvinylidene chloride and so on. Users can choose according to the use.

v Type of coating structure

2/1: Apply twice to the upper surface, once to the lower surface, and bake twice.

2/1M: Paint the upper and lower surfaces twice and bake once.

2/2: Paint the upper and lower surfaces twice and bake twice.

v Uses of different coating structures:

2/1: Single layer back paint corrosion resistance, scratch resistance is poor, but has good bonding, main

To be applied to sandwich plate;

2/1M: Back paint corrosion resistance, scratch resistance and processing formability is good, with good bonding

Suitable for use with single - layer molded plate and sandwich plate.

2/2: Double layer back paint corrosion resistance, scratch resistance and processing formability is better, most used for single

Laminated plate, but its bond is poor, not suitable for sandwich board.

The organic coating on the hot dip galvanized steel sheet product is hot dip galvanized color coated board. In addition to the protective effect of zinc, the organic coating on the surface also plays the role of isolation protection and rust prevention, and the service life is longer than that of hot galvanized sheet. The zinc content of hotdip galvanized substrate is generally 180g/m2 (doublesided), and the maximum zinc content of hotdip galvanized substrate used for external construction is 275g/m2.

Electrogalvanized plate as the base plate, coated with organic coating baking products for electric galvanized color coated plate, because the zinc layer of electrogalvanized plate thin, usually zinc content is 20/20g/m2, so the product is not suitable for use in outdoor production of walls, roofs, etc. But because of its beautiful appearance and excellent processing properties, it can be mainly used in household appliances, audio, steel furniture, interior decoration, etc.

Electroplating zinc substrate: thin coating, corrosion resistance is not as good as hot dip galvanized substrate; Hot dip galvanized substrate: the thin steel plate is immersed in the melted zinc groove, so that the surface adhesion of a layer of zinc, this galvanized plate has good coating tightness and weldability. Hot aluminized zinc substrate: The product is plated with 55% Al-Zn, has excellent corrosion resistance, its service life is more than four times that of ordinary galvanized steel plate. It is the replacement product of galvanized sheet. Product features: (1) has good durability, corrosion resistance and galvanized steel compared with longer life; (2) Has good heat resistance, compared with galvanized steel plate at high temperature is not easy to change color; (3) Good thermal reflectivity; (4) It has similar processing and spraying properties to galvanized steel plate; (5) Good welding performance. (6) With good performance price ratio, durable performance and very competitive price. Therefore, architects, engineers and manufacturers have been widely used in industrial buildings, steel structures and civil facilities such as: garage doors, guttering and roofs.