Test Method And Industry Standard For Colour Coated Aluminium Coil

1, check the appearance of color coated aluminum roll. The quality of color coated aluminum coil should not be obvious embossing, leakage coating, surface coating damage phenomenon. Wavy lines, scratches and bumps are not allowed. These are easy to see. The most important thing is to pay attention to the color of the aluminum coil. If you do not pay attention, it is not easy to see, but in the process of use will affect the final decorative effect. At present, the aluminum plate of the building curtain wall will also be treated by electrostatic powder spraying. The key raw materials of powder spraying are polyurethane materials, polyexpansive epoxy resin, epoxy resin glue and other raw materials plus high quality color paste, which can obtain dozens of different varieties. The same color paint powder, decorative effect is also very good.
2, check the paint situation of color coated aluminum roll, these are easy to see and identify. Color coated aluminum rolls are widely used in our daily life, and there are many ways to distinguish when we choose. Color coated aluminum coil coating is divided into polyester coated aluminum coil (PE) and fluorocarbon sprayed aluminum coil (PVDF). , whether at home or in other places, because of the rich color, humanized design color must use this color coated aluminum roll. Colored aluminum rolls are very popular in the construction industry and are the first decorative materials considered by many interior designers. In modern residential construction, the requirement of such materials is very high, and the decorative effect is also very good.
3, check the bending performance of color coated aluminum coil plate, should be carried out at room temperature. Before installation, check in time to ensure that the flat roof material is not worn, ensure normal use, and ensure the service life of use under normal conditions. The anchor bolt of fixed color coated aluminum roll should be sealed with strong moisture-proof material to prevent sediment from entering and rusting. Color coated aluminum coil production and processing temperature should be above 7℃. The clearance of the production and processing drum system should be adjusted according to the thickness of the color coated aluminum coil, and remove the dirt on the surface of the drum and the plate; In addition, the color coated aluminum coil should check whether the paint on both sides is falling off. If the paint is falling off, the reason should be identified and countermeasures should be taken before the processing can continue.
4, check whether the color coated aluminum coil is cleaned in time. Color coated aluminum roll refers to the roller coating machine on the surface of the aluminum roll coated with various colors of paint. The production of various colors of aluminum coil, color diversity, beautiful color, longer service life than color steel tile, light quality, high strength, rust treatment and corrosion resistance. Function, in architectural decoration, can be a good alternative color steel tile.
5, color coated aluminum coil inspection process is very simple, but the cleaning process is often ignored by manufacturers. The color coated aluminum coil is dark yellow and poor in quality. So why should color coated aluminum coil be cleaned in the production process? In the whole process of cold rolling, because of the friction and rolling between the hot rolled strip and the surface of the aluminum plate, the surface will cause fine aluminum oxide powder shedding and adsorption, rolling oil and additional floating components will remain on the surface of the aluminum plate, and have adverse effects on the production and processing of the finished products such as the spraying and production of the color coated aluminum plate. However, when bending and straightening, the amorphous strip is likely to cause the roller to bend and deform strongly. Therefore, if the surface of the color coated aluminum plate is not cleaned up, the aluminum oxide powder will fall off when it is deformed, and adhere to the roller surface with oil stains, resulting in damage to the roller surface, resulting in damage to the aluminum plate. Therefore, professional cleaning equipment must be used. Clean up.