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Alkaline Etching Additive
anodizing
aluminum
chemical
additive
etching
Alkaline Etching Additive is a kind of colorless to light yellow liquid and suitable for aluminum and alloys surface. It can effectively remove natural oxidation film, oil stain, burr, floating sands on the surface of aluminum profile. The clean, uniform,
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Definition and composition
Definition: Alkali etching agent is a chemical agent used in the field of metal surface treatment. It mainly achieves the purpose of removing impurities, oxide scale or etching on the metal surface through the chemical reaction between alkaline substances and the metal surface.
Main ingredients: Usually strong alkalis such as sodium hydroxide and potassium hydroxide are the main ingredients, and some additives such as corrosion inhibitors, chelating agents, surfactants, etc. may also be added. Corrosion inhibitors can prevent excessive corrosion of metal substrates by alkali liquid to a certain extent; chelating agents can form stable complexes with metal ions to promote the reaction; surfactants help improve the wettability of alkaline etching agents on metal surfaces and improve the treatment effect.
Features
Strong alkalinity: It has strong alkalinity, the pH value is usually above 12, and it can quickly react chemically with oxides on the metal surface.
Corrosiveness: It has a certain degree of corrosiveness to metals and can effectively remove oil stains, oxide scale, etc. on the metal surface, but at the same time, it is also necessary to pay attention to controlling the use conditions to prevent excessive corrosion of the metal substrate.
High reactivity: The reaction speed with metals is fast, and good treatment effects can be achieved in a short time.
Adjustability: By adjusting the proportion of each component and adding different additives, alkaline etching agents with specific properties can be customized according to different metal materials and processing requirements.
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Payment Company: 广州联雅科技发展有限公司
Payment Account: 44044301040010464
Bank Name: 中国农业银行广州房建支行
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