Can anodized aluminum pump heads come into direct contact with alcohol?

The anodized aluminum pump head can directly come into contact with alcohol, but several factors need to be considered. The oxide layer formed on the surface of aluminum by anodizing treatment has good corrosion resistance and chemical stability, and can usually resist the erosion of alcohol. Therefore, it is not a problem to come into contact with alcohol in a short period of time or at room temperature. However, long-term exposure to high concentrations of alcohol or high temperature conditions may affect the stability of the oxide layer, especially in strong acid or alkali environments, where the oxide film may gradually erode. In addition, the specific process of anodizing (such as sealing treatment) can also affect its chemical resistance, and an anodized layer with proper sealing treatment can better resist alcohol penetration. If the equipment is used for transporting high concentration alcohol, it is recommended to choose pump head materials that have undergone rigorous testing and meet relevant standards (such as food grade or medical grade) to ensure long-term safety and durability.