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Teach you to correctly identify inferior aluminum profiles!
The titanium gold plating process on aluminum profiles belongs to the coating technology. It adds pre plating and electroplating process steps to the conventional titanium plating process. The aluminum profile process involves chemically treating the activated plated parts in an aqueous solution of salt and hydrochloric acid; The plating solution components of the electroplating process include nickel sulfate, nickel chloride, boric acid, sodium dodecyl sulfate, saccharin, and brightener. This process has the advantages of simplicity, practicality, and good results. The film hardness of the titanium aluminum profile produced by this process is HV ≈ 1500, and under the same conditions, it is 150 times more wear-resistant than 22 K gold plating. It can be processed into various forms of gold, color, black, and other bright series of aluminum profile products.
One public announcement of the environmental impact assessment for the annual production of 40000 tons of high-performance anhydrous aluminum fluoride and 20000 tons of electronic grade hydrofluoric acid by Fude Technology Co., Ltd
According to the relevant provisions of the Environmental Protection Law of the People's Republic of China and the Environmental Impact Assessment Law of the People's Republic of China, our company has entrusted a third-party evaluation agency to carry out an environmental impact assessment project for the proposed "Annual Production of 40000 tons of high-performance anhydrous aluminum fluoride and 20000 tons of electronic grade hydrofluoric acid project", and in accordance with the relevant provisions of the "Public Participation Measures for Environmental Impact Assessment" (Order No. 4 of the Ministry of Ecology and Environment), The relevant information on the environmental impact assessment of this project will be made
Analysis of China's aluminum fluoride production capacity in April
Research shows that in April 2021, 17 domestic dry process aluminum fluoride production enterprises completed a production capacity of 1.018 million tons (in production), and as of April 25, the operating capacity for the month was 186000 tons. It is expected that the average operating rate at the end of the month (the fourth week of April) will be 11.3%, a decrease of 21% compared to the beginning of the month (the first week of April), and the average operating rate for the month is expected to be 18.3%. In addition, seven wet process aluminum fluoride production enterprises have built a production capacity of 135000 tons and an operating capacity of 90000 tons, with an operating rate of 66.7%.
Introduction to Wall Thickness Deviation of Aluminum Profile
The wall thickness of aluminum alloy profiles is one of the main indicators of profiles, and both door and window profiles and curtain wall profiles have a nominal wall thickness. 55 series doors and windows, with a nominal wall thickness of 1.4mm. There is a deviation between the actual measured wall thickness of the profile and the nominal wall thickness, and the measured wall thickness often does not exactly match the nominal wall thickness value, such as 1.4mm measuring 1.42mm. So why is there a bias? Below is an introduction and explanation.
Things about alumina and mineralizers
α- Aluminum oxide, also known as calcined aluminum oxide, has the characteristics of high melting point, high hardness, strong insulation performance, good wear resistance, and stable chemical properties. It is widely used in many fields such as refractory materials, insulation equipment, integrated circuit substrates, abrasive tools, ceramic materials, and so on. In order to adapt to different industries α- Due to the special needs of alumina, people form a variety of high value-added products by controlling its primary crystal shape, particle size distribution and impurity content.
