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Three galvanizing methods of galvanized sheet

2022-01-03

Three galvanizing methods of galvanized sheet

1. Roller coating method. Roll coating is one of the most widely used process methods. The strip is cleaned and surface pretreated first. Roller coating units are divided into types such as one-coating and one-baking, two-coating and two-baking, and three-coating and three-baking to meet the requirements of different coating thicknesses. There are the most two-coating and two-baking units in the world. Products are widely used in outdoor construction, but also in interior decoration, home appliances, furniture, appliances and other fields.

2. Film sticking method. The high-horsepower production of color-coated panels is produced by the filming method. The pretreatment before coating is basically the same as that of the roller coating method. On the upper surface of the substrate, after cooling and flattening to create benefits, a beautiful colored film sheet is obtained. This kind of film color-coated board has beautiful appearance, fireproof, corrosion resistance, acid and alkali resistance, and its fire resistance and pollution resistance are good. But the price is higher, and its products are mainly used in home appliances, furniture, interior decoration and interior decoration of vehicles and ships.

3. Screen flow method. Roll coating is used for the initial coating, and curtain flow coating machine is used for the fine coating. The liquid coating is applied to the surface of the strip. The coated strip will not leave a roller mark, which is difficult to control. It is suitable for the production of high-quality home appliances. Paint the board.

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