Common knowledge of coatings: application of New Waterborne Automotive Coatings
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Last Update: 2020-04-03
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Source: Internet
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Author: User
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Core tip: in order to meet the requirements of relevant national laws and regulations, and meet the minimum VOC emission standards stipulated by the state The application technology of new water-based coating can reduce the use and discharge of solvent and the pollution to the environment At present, the domestic automobile manufacturers that have adopted water-based coating in batches include Guangzhou Honda Zengcheng factory, Guangzhou Toyota, Jianghuai Automobile Factory, etc As the diluent of new water-based paint is mainly pure water, due to the difference of evaporation rate between the diluent of water-based paint and traditional solvent based paint, it is necessary to pre bake after spraying the color paint Shenyang steel structure fireproof coating construction expert punde Building Fire Engineering Co., Ltd Recommended introduction: since its establishment, Shenyang punde Construction Fire Engineering Co., Ltd has cultivated a group of professional construction teams with excellent equipment, rich experience and serious responsibility with advanced and scientific management methods and strict engineering quality assurance and after-sales service system It has undertaken a number of fire system installation projects, which has been praised by customers Every idea and special requirement of you will be fully considered by us and fully realized in the construction technology, which will become the cornerstone of our successful long-term development We are looking forward to your invitation, to provide you with quality services and high-quality technical support! All construction coatings have passed ISO9001 Coating home news: in order to adapt to the relevant national laws and regulations, meet the national minimum VOC emission standards The application technology of new water-based coating can reduce the use and discharge of solvent and the pollution to the environment At present, the domestic automobile manufacturers that have adopted water-based coating in batches include Guangzhou Honda Zengcheng factory, Guangzhou Toyota, Jianghuai Automobile Factory, etc As the diluent of new water-based paint is mainly pure water, due to the difference of evaporation rate between the diluent of water-based paint and traditional solvent based paint, it is necessary to pre bake after spraying the color paint In addition, the temperature and humidity of the spray booth also have an important impact on the evaporation rate of water-based coatings Under different temperature and humidity environment conditions, the variation range of the evaporation rate of water in the coatings is obvious, so the coating is easy to be affected by the ambient temperature and humidity Therefore, in the design of the new water-based coating production line, It is necessary to consider how to ensure the temperature and humidity control requirements of the spray booth In general, the temperature and humidity of water-based paint spraying room should be controlled at (25 ± 1) ℃, (70 ± 5)% RH; in addition, due to the high surface tension of water, its wettability to the bottom layer is poor, and it is sensitive to foreign matters (shrinkage cavity is easy to occur) Due to the poor volatility of water at room temperature, the coating solid content is low, so the viscosity control of flow hanging during coating is very important, so it is required for paint mixing workers and equipment of paint transportation and mixing system Because of the high viscosity of the water-based coating and the heavy load of the circulating paint transportation system, the coating atomization is relatively difficult Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,
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