In the past year or two, the waterproofing industry has caused an upsurge in spray painting of waterproof coatings. Some equipment companies have taken over this specialized market and cooperated with domestic material companies to develop suitable spraying technologies. At the 12th China International Roofing and Building Waterproofing Technology Exhibition, Xu Jianyue, President of China Construction Waterproofing Magazine, and Pang Zhengjing, Director of the Editorial Office, and Mr. Zhuang Jing, Marketing Manager of Graco Fluid Equipment (Shanghai) Co., Ltd. respectively Mr. Wang Yu, Marketing Director of Wagner Spraying Equipment (Shanghai) Co., Ltd., had an in-depth discussion on the current situation and development prospects of waterproof coating machine spraying construction. Mr. Zhuang Jing told us that in the United States, the spray rate for paint construction is 97%, and according to the 2007 statistics of China Paint Industry Association, the spray rate for Chinese paint construction is only 28%. This also includes the requirements of the automotive industry. Highly decorative industries that must be painted. Therefore, it can be estimated that the spray rate of paints in the waterproofing industry is very low. Mr. Zhuang Jing told us that as early as 10 years ago, the United States Graco brought its high-pressure airless spraying equipment to China, which was mainly applied in the spraying construction of spray-foamed polyurethane paint (SPF). Later, with the rise and development of polyurea coating materials in China, Graco's high-pressure airless spraying equipment and its spraying technology have been rapidly promoted in the Chinese market. In particular, the Beijing-Shanghai high-speed rail started in 2008 and a large number of high-speed rail projects that were subsequently constructed have pushed the spraying of polyurea and spraying construction technology to the top of the moment. In the past year or two, after the market for high-speed rails that spray polyurea fell rapidly, the market for spray-type waterproof products was undergoing profound changes. On the one hand, the application market for spray polyurea has mainly turned to roof waterproofing, water conservancy projects, and anticorrosion of chemical pipelines. On the other hand, spraying quick-setting asphalt has emerged as an alternative to polyurea as a new force in the market for spray-type waterproof products. The more important change is that, in consideration of saving labor costs, improving ergonomics, and ensuring the quality of paint construction, the waterproof material companies are actively trying to change the construction methods of waterproof coatings. Mechanical spraying is used instead of manual brush coating and roller coating. The waterproof industry began to scrape. An upsurge in mechanical spray coating of waterproof coatings. For example, Graco and Dongfang Yuhong cooperated and invested a lot of energy, material resources, and financial resources to develop a new XtremeZ45 electric waterproof coating sprayer that can spray JS waterproof coatings. The equipment has the characteristics of large flow, high pressure, small size, and low price, and is suitable for construction work in various environments. It is also suitable for spray coating of polyurethane waterproof coating and acrylic waterproof coating. The equipment was presented at this exhibition and construction demonstrations were held, which attracted great interest from professionals. For the coming era of mechanized coating of waterproof coatings, how does the industry association respond? Mr. Zhuang Jing, who is Secretary General of the Polyurea Technology Branch of the China Building Waterproofing Association, told us that at the annual meeting of the 2013 Polyurea Technology Subcommittee, the constitution of the club had been amended to change the main business scope of the club from the previous single polyurea. Waterproof technology has been extended to all sprayed waterproof products and technologies, including polyurea, hard foam polyurethane, quick-setting rubber asphalt paint, polyurethane waterproof paint, acrylic waterproof paint, polymer cement waterproof paint (JS), etc., which can be sprayed Waterproof products and technologies will be included in the scope of the club's business, in order to clarify the new direction of development for polyurea, spray technology and even the entire waterproof coating field. In the future, the sub-committee will work on the formulation of spray-related technical standards and test methods, spray-painting technical training, and international exchanges. In particular, spray coating technology will require high skill requirements for operators, and spray construction skill training will become the future of the branch. The focus of work for a period of time. In this exhibition, in addition to Graco's Xtreme Z45 electric waterproof paint sprayer with the help of a large-scale 'international demonstration', the spray equipment from Wagner was also the star of the show. We first saw Wagner's spraying equipment on the booth of Keshun. We learned from the big electronic screen that Coshun and WAGNER, the world leader in spray painting technology, opened a new era of mechanized construction of waterproof coatings. After that, we also saw the exhibition of 'Yellow Whirlwind' at the Langkaic booth in Anhui Province. We saw the spraying of the cement-based penetrating crystallization waterproof coating that was being used to demonstrate cement. We used Wagner's spraying equipment. So we decided to visit this coating equipment supplier from Germany. On the north side of the exhibition hall, the very impressive German Wagner booth, which is also highlighted by yellow color, came into our eyes. Mr. Wang Yu, Marketing Director of Wagner Spraying Equipment (Shanghai) Co., Ltd. received our visit. Wang introduced us to the overview of J. Wagner GmbH. Founded in 1946, the company is a multinational corporation specializing in the development, production and sales of surface painting equipment. It is headquartered in Markdorf, Germany on the shore of Lake Bolton, and has production plants in Germany, Switzerland and the United States. There are more than 30 wholly-owned subsidiaries and branches worldwide, with annual sales of more than 400 million euros. The powder and paint spraying equipments produced by the company are characterized by high technical content, high production efficiency and low operating cost. The products are in the world's leading position in the coating field. With the rapid expansion of the Group's business in China, Wagner established a wholly-owned subsidiary in Shanghai in 1998, bringing new technologies and comprehensive services to the rapidly developing coating industry in China. Wagner, Germany also has branch offices in Beijing and Guangzhou, with professional sales and service personnel, and a network of agents throughout the country, providing excellent professional services for the vast Chinese market. Wang Zeng told us that although Wagner was the first time to participate in the exhibition, the company’s products were sold to the waterproofing industry several years ago through agents, and some paint companies such as China Nuclear North Research had long been Wagner's users. The company's participation in this exhibition brought several products that target different needs. Among them, the PC830 is a new type of compact, general-purpose grout spraying machine. It is suitable for spraying materials containing fiber and particles within 3 mm, including JS waterproof coating, waterproof mortar, interior and exterior putty, real stone paint. , external wall insulation adhesives, and crack-resistant mortars containing short fibers, etc., can spray 12L of material per minute, and can spray 1000m2 per day. HC970 sprayer is a heavy-duty hydraulic sprayer with powerful power. It is good at handling thick and high-viscosity materials with a processing capacity of 13.5L/min. It can achieve high viscosity materials such as airless spray coating, adhesive, and asphalt. In practical applications, multiple spray guns can be connected at the same time. The daily construction area can reach 15,000 m2, and the spraying putty can be used for 4000 m2 per day. At the Long Cage stand, the HC970 was used to demonstrate the penetration of the crystalline waterproof coating. Wang said that whether or not a device can spray certain types of paint products requires repeated trials; after testing, it can spray the products of Factory A. It may not necessarily be able to spray similar products from Factory B. The viscosity and initial setting time of the paint are key parameters. . Through experiments, we found that Keshun's one-component polyurethane is very compatible with Wagner's equipment, so both parties decided to carry out product strategic cooperation. At the end of the interview, Mr. Cui Xiaoming, who brought Graco's equipment to China's waterproof market for the first time ten years ago, came to visit Wang Zong. The two said that Graco and Wagner have very good spray equipment suitable for the Chinese market. Now two world-leading technology companies are fully exploring the Chinese market at the same time, which will inevitably lead to changes in the construction methods of the Chinese waterproof industry. China's waterproof coating construction will fully enter a new era of mechanized spray construction.
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Release date:2015/2/12 13:42:32