One、How to deal with rusted corner beads
If the corner bead exhibits rust, it is generally difficult to repair. The editor recommends replacing the corner bead with a new one. However, there are times when rusted corner beads become difficult to remove. What should be done in such cases?
1. First, place the wrench around the outside of the jamb. Then, use a hammer to gently tap the wrench handle, being careful not to apply excessive force. once the jamb is loosened, you can easily remove it.
2. Alternatively, you can drip some edible oil or kerosene into the valve and wait until the oil has fully permeated it. Then, use a wrench and pliers to remove the valve.
3、The angle valve is rusted and cannot be removed. Alternatively, the valve can be removed using a burning method. Heating the screws will cause them to expand and loosen, making removal easier. However, it is crucial to exercise caution during this process.
II. How to prevent corrosion of corners and edges
1、Stainless steel angle valves are generally resistant to corrosion. However, direct contact with strong acids or strong alkalis will corrode the coating on the surface of the angle valve. If the corroded surface then comes into contact with a humid environment, it will rust. Therefore, the best way to prevent corrosion of stainless steel angle valves is to prevent contact with strong acids and strong alkalis.
2. In addition to strong acids and bases, contact between particles or dust of other metals and the surface of the stainless steel corner valve will also cause electrochemical reactions, damaging the coating on the stainless steel corner valve, leading to rust formation on the stainless steel surface. Therefore, to prevent rust on stainless steel corner valves, it is important to clean and maintain their surfaces during daily use to keep them clean.