"Not long ago, Xiaodian Town, Boye County, Hebei Province revealed that 3 yuan, a local paint production and processing factory, started to produce paint 1 kg. The person in charge of the production enterprise said that tap water was directly added to the paint to pursue low cost and earn high profits. Not only Boye Small Paint Workshop, but also many large paint enterprises in Henan, Hebei, Hunan, Hubei, Jiangxi and Guangdong are adding water to paint. It can be said that adding water to paint has long been a well-known hidden rule in the industry. " This is a paint industry insider told reporters.
Dai, chairman of Shandong Liandi Paint Industry Co., Ltd. told the reporter: "Some paint companies only add water to paint for one purpose, that is, to reduce costs and maximize profits. Blue series ready mixed paint, Iron Red, Red Series ready mixed paint and Gray Series ready mixed paint are the main targets of water addition. Now even the silver powder pigment will add some water. "
Dai calculated the account for the reporter. The price per kilogram of blues paint is 13.2 1 yuan. If you add 100 kg of water, the net profit per ton will be several thousand yuan.
It is understood that coating companies add water to coatings, but they did not tell distributors and users to add water, only that they added a chemical additive. As a result, some coatings have just been produced and transported to the finished product warehouse, and water separation will occur in just one day.
Lu, manager of Ningxia paint sales company, has a good say in the problem of adding water to paint. "At present, 80% of the enterprises that produce alkyd ready mixed paint are under the guise of environmental protection and water-based, and water is added to the paint to maximize profits." Lu said that some enterprises have changed the original color, dryness, film forming and corrosion resistance of coatings by adding special additives to make water replace some solvents, diluents and fillers. This practice is adopted by many enterprises because it can effectively reduce the production cost of paint factories.
Experts from China Coatings Industry Association said: "Water-based paint is water-based paint, and paint is paint. The two cannot be confused at all. "
It is understood that water-based coatings are coatings that use water as a solvent or as a dispersion medium. Waterborne coatings include water-soluble coatings, water-dilutable coatings and water-dispersible coatings. Waterborne paint is represented by waterborne wood paint. According to the products, one kind is mainly acrylate, which is characterized by strong adhesion and will not deepen the color of wood, but the wear resistance and chemical resistance are poor; The second is acrylate-polyurethane composite coating, which not only inherits the characteristics of acrylate coating, but also improves the wear resistance and chemical resistance. The third category is 100% polyurethane waterborne coatings.
Paint is incompatible with water. Li Jun, sales manager of Shandong Pentium Paint Industry Co., Ltd. said: "Adding water will affect the quality of paint in all aspects. Generally speaking, there are two disadvantages. First, poor adhesion, poor painting performance and slow drying during painting; Secondly, the treated metal substrate is corroded again, which greatly reduces the anticorrosion performance. 1 month later, paint powder will appear, which will not play an anti-corrosion role for the equipment at all. "
The reporter learned that the buyers of this low-grade water-adding coating are mostly Renqiu low-grade steel frame cards and pipelines, underground anti-corrosion pipelines in Yanshan area and civil steel structure production enterprises, and the amount is huge. In order to save costs, some construction enterprises have a competitive advantage in price, regardless of the construction quality, using this kind of coating with water.
Li Yunde, a member of the expert committee of China Coatings Industry Association, said that mixing water with small workshops to obtain illegitimate profits is only a symptom. Some paint manufacturers also use cheap and inferior materials which contain heavy metals such as lead and cadmium. These heavy metals, formaldehyde and benzene will damage human functions and even lead to cancer of tissues and cells, which should be paid great attention to.
"The development of waterborne coatings is entering a new period of development. This malicious addition of water to paint has greatly damaged the overall image of the paint industry. " Yan Yongjiang, Secretary General of Shandong Coatings Industry Association, told the reporter. It is an indisputable fact that the use of water-based paint will affect the construction quality, but some people still buy it knowingly, giving this fake and shoddy product living space. Therefore, how to strengthen market supervision and not provide opportunities for enterprises to produce water-based paints is a problem that management departments need to seriously consider at present. (Source: Southern Network)
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