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What are the features of the color painting roll
- Jul 07, 2018 -

In the process of cold rolling, the surface of the roll and the surface of the aluminum plate will be caused by the collision and rolling, and the surface will produce fine oxide powder and sorption. The rolling oil and the suspended components will remain on the aluminum plate.

At this time, a special cleaning equipment is needed to clean it. The methods of cleaning are mainly pressurized by pressure pump and non contact scrubbing on the surface of color coating, so that the aluminum powder on the surface is dissolved and shedding, then squeezed dry roller and high pressure air blowing, even high temperature air drying, so as to dry the high temperature air. A clean and smooth coloured roll.

The varieties and quality of the domestic paint can not meet the requirements completely. The high price of the imported coatings has reduced the competitiveness. The plastic moulds needed for the sticker color board need to rely on the imported materials and lack the high quality color coating with thick, functional, high strength and colorful colors.

Cold-rolled strips are usually rolled on a continuous unit with cold rolled strip, galvanized strip (galvanized and hot-dip galvanized) as a substrate, after surface pretreatment (degreasing and chemical treatment), coated with a layer or multilayer liquid coating, through baking and cooling. From the current situation of the price of raw materials on the steel market, the persistence of most people for this color coating price is also linked to the raw material. The digestibility of the inventory of color coating will be the key to the trend of color coating price.