The multi-functional steel surface anti-corrosion treatment agent jointly developed by the Institute of Metal Anti-corrosion and Surface Treatment Technology of Wuhan Engineering University and relevant units was put into production in Weifang, Shandong not long ago.
The multi-functional steel surface treatment agent is a high-tech product with independent intellectual property rights. It overcomes the deficiencies of the traditional steel surface treatment process, such as complicated operation and easy contamination of the treatment liquid. It has the characteristics of normal temperature operation, repeated use and less sediment. After testing by authoritative departments, the main technical indicators of the products have reached the advanced level of similar foreign products, some of which are superior to similar foreign products.
According to Chen Hongshu, the person in charge of the project, the traditional pickling process emits 6 cubic meters of toxic gases such as acid mist generated per ton, and a strong acid pickling of one ton of steel materials produces 30 kg of waste residue and must be washed with water. Switching to a multi-functional steel surface treatment agent does not require water washing and no three waste emissions. During the use of each ton of steel surface treatment agent, the output of waste residue is less than 5 kg, and the addition of 10% quicklime forms plant fertilizer to achieve waste recycling. Not only reduces the cost of surface treatment, but also saves energy, while reducing pollution to the environment. The treated steel surface has good impact resistance, good corrosion resistance, and good compatibility with various coatings. It can replace the anti-rust primer, and the technology has reached the international advanced level.
Chen Hongshu told reporters that the multifunctional steel surface treatment agent can be widely used in the treatment and protection of carbon steel, manganese steel, stainless steel, aluminum alloy, cast iron and other materials. It can replace the processes of pickling, sandblasting, phosphating, painting and derusting primers in the process of metal anticorrosive coatings, which greatly reduces production costs, reduces the labor intensity of workers, eliminates "three wastes" emissions, and protects nature Environment and production environment, and improve the affinity of the processed material surface and subsequent coatings, can create a new production environment and market space for the enterprise. It is no exaggeration to say that the development, production and use of multifunctional environmentally friendly steel surface treatment agents is a major humanized change and progress in the steel surface treatment industry.
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