Rust proof aluminium plate needs etching treatment
Dong Xing
aluminummanufacturerchina.com
2017-09-26 20:46:17
Antirust aluminum bright etching is carried out in the acid etching agent, acid etching agent often uses sulfuric acid, nitric acid, chromic acid and phosphoric acid, nitric acid is easy to cause a large number of tobacco production, the pollution of the environment. The acid etching agent by using phosphoric acid and sulfuric acid with heterocyclic organic compounds containing sulfur can replace some nitric acid, such as a good gloss.
In the alkaline etching agent used in caustic soda, soda ash and sodium phosphate three, plus a small amount of surfactant. Antirust aluminum can be carried out in alkaline degreasing agent in general, the temperature is over 40 DEG C. Harbin Dong Xing Aluminum Co., Ltd could provide you with 5754 aluminum plate on sale.
Antirust aluminum variety in etching need according to different material choose different etching agent. In antirust aluminum etching, the need to remove the burr, weld line and casting surface residue to use the mechanical method, then etching by alkaline degreasing degreasing clean.
In the alkaline etching agent used in caustic soda, soda ash and sodium phosphate three, plus a small amount of surfactant. Antirust aluminum can be carried out in alkaline degreasing agent in general, the temperature is over 40 DEG C. Harbin Dong Xing Aluminum Co., Ltd could provide you with 5754 aluminum plate on sale.
Can also use hydrogen peroxide and hydrofluoric acid, hydrogen peroxide and acetic acid can also be used. For example, 45mL/L, 80mL/L using hydrogen peroxide acetic acid 10~15s, soaking at room temperature. Note that the operation should be carried out under the conditions of ventilation. Harbin Dong Xing Aluminum Co., Ltd is a competent and reliable Aluminum marine sheet.
Antirust aluminum variety in etching need according to different material choose different etching agent. In antirust aluminum etching, the need to remove the burr, weld line and casting surface residue to use the mechanical method, then etching by alkaline degreasing degreasing clean.
If you want to get more information about Harbin Dong Xing Aluminum Co., Ltd, please click 7075 aluminum plate on sale.