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Old 01-09-2019, 07:48 PM
juniperqq juniperqq is offline
Join Date: Aug 2018
Posts: 69
Smile PPGI Galvanized Steel Coil Use And Classification

High quality PPGI prepainted galvanized steel coil overview. The color coating roll is made of hot-dip galvanized sheet, hot-dip aluminum-zinc plate, electro-galvanized sheet, etc., after surface pretreatment (chemical degreasing and chemical conversion treatment), and then coating one or several layers of organic coating on the surface, followed by A product that has been baked and cured. It is also named for its color coated steel coils coated with various colors of organic paints. In addition to the zinc layer protection, the color coating steel strip using the hot-dip galvanized steel strip as the substrate protects the organic coating on the zinc layer from rusting and the service life is longer than that of the galvanized strip. 1.5 times.

High quality prepainted color galvanized coil use. Color coated rolls are light, beautiful and have good anti-corrosion properties, and can be directly processed. The colors are generally divided into gray, sea blue and brick red, which is mainly used in advertising, construction, home appliance industry, electrical industry, furniture industry, and transportation. industry. The coatings used in the color coating roll are selected according to the use environment, such as polyester silicon modified polyester, polyvinyl chloride plastisol, polyvinylidene chloride and the like. Users can choose according to their purpose.

Coating structure. Coating structure type 2/1: The upper surface is coated twice, the lower surface is coated once, and baked twice. 2/1M: The upper and lower surfaces are coated twice and baked once. 2/2: The upper and lower surfaces are coated twice and baked twice. v Use of different coating structures: 2/1: Single layer back paint has poor corrosion resistance and scratch resistance but has good adhesion, mainly used for sandwich panels; 2/1M: back paint It has good corrosion resistance, scratch resistance, and processability, and has good adhesion. It is suitable for single-layered panels and sandwich panels. 2/2: The double-layer back paint has good corrosion resistance, scratch resistance, and processability, and most of them are used for single-layer laminates, but their adhesion is poor and should not be used for sandwich panels.
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