How to repair bag chain oxidation

Bag chain oxidation can be treated by cleaning and polishing, wiping with white vinegar, repairing with baking soda paste, soaking in lemon juice, professional care, and other methods. The oxidation of metal chains is often caused by humid environments or sweat corrosion. It is necessary to avoid contact with chemicals in daily life and maintain them regularly.

1. Cleaning and Polishing

Use a soft bristled brush dipped in neutral detergent to gently brush the surface of the chain, remove the oxide layer and dirt, and then repeatedly wipe with a dry soft cloth until the luster is restored. The stubborn oxidation area can be massaged in circles with toothpaste or metal polishing cream, and then smeared with transparent nail polish to isolate the air.

2. Wipe with white vinegar

Mix white vinegar with warm water in proportion, soak a cotton cloth, wrap the chain and let it sit for ten minutes. Acetic acid can dissolve copper rust and other oxides. Immediately rinse with clean water and thoroughly dry after treatment to prevent acetic acid residue from accelerating secondary oxidation. This method is suitable for copper or gold-plated chains.

3. Baking soda paste repair

Mix baking soda with water to form a paste and apply it to the oxidized area. Gently brush with an old toothbrush for three minutes, and the chemical reaction can neutralize the sulfides on the metal surface. After processing, it needs to be thoroughly dried with a hair dryer at low temperature, and the gaps should be cleaned with cotton swabs to avoid powder accumulation. Note that this method is not applicable to patent leather chains.

4. Soak in Lemon Juice

After mixing fresh lemon juice with salt, dip it in a cotton pad and apply it to the oxidized area for five minutes. Citric acid can break down the black oxide layer. After processing, it is necessary to wipe and maintain with olive oil to prevent acidic substances from damaging the coating. The silver chain has a significant effect using this method, but not more than once a week.

5. Professional nursing

It is recommended to send severely oxidized or precious metal chains to a leather repair shop for treatment using ultrasonic cleaning or electroplating repair techniques. Professional personnel will choose electrolytic oxidation or laser polishing based on the material of the chain, and apply an anti-oxidation coating to extend its service life.

When storing bags in daily life, they should be packed in dust-proof bags and desiccants should be placed to avoid the acceleration of metal component oxidation in humid environments. Wipe the chain with a velvet cloth every week to remove sweat and grease, and apply Vaseline to form a protective film when not in use for a long time. If green copper rust or coating peeling is found on the chain, the chemical cleaning method should be stopped immediately to prevent further corrosion. Different metal materials require different maintenance, for example, silver chains need to be stored away from light, and steel chains can be regularly maintained with silver wiping cloth. Before the repaired chain comes into contact with the skin, it is recommended to test for allergies. Sensitive individuals can choose to use a wrapped silk scarf for isolation.