You can use pickling to remove rust. When using pickling to remove rust, the rusty profile must be degreasing. The oil must be cleaned so that the rust can be removed. The pickling and rust removal operation is relatively simple, the substrate rubbing loss is small, and the surface of the derusted profile is half. Bright state, can be directly colored or surface oxidized.
The use of pickling to remove rust can cause damage to the profile. Therefore, in order to reduce the damage to the profile, the user should take care of the profile when using the aluminum profile, and the surface should not be scratched and the area should be dry and ventilated.