Big copper era cast copper crafts maintenance instructions

**Maintenance Guide for Cast Copper Handicrafts** After using cast copper handicrafts for some time, they may start to show signs of oxidation due to exposure to air and humidity. Over time, the protective layer on the surface can wear off, causing the copper to darken and lose its original luster. In severe cases, a greenish patina (copper oxide) may form on the surface, while white spots or crystalline marks might appear in areas where moisture has escaped through sand holes. These are common issues with cast copper products, but they can be easily managed with proper care. Here’s how you can maintain your cast copper handicrafts and keep them looking their best: **1. Regular Inspection and Cleaning** Cast copper items sold in stores may be stored in warehouses or displayed on containers. Due to environmental factors such as humidity, ventilation, or other unpredictable conditions, the protective layer can begin to degrade after 15–30 days. To prevent this, it is recommended to open the packaging every 15 days and use the provided metal polish wipes for cleaning. - Gently wipe the surface of the copper product with a soft, clean cloth. Then apply the metal care wipe directly onto the surface and buff it gently. - Start by wiping the more prominent, raised areas first, then move to the lower, recessed parts. Be careful not to overdo the pressure, so as not to damage the natural finish. - If the product has a brushed texture, always follow the grain direction when wiping. Avoid damaging the pattern, which could affect the overall appearance. - For oxidized copper green (common in hard-to-reach areas), adjust the amount of metal care agent based on the level of oxidation. Wipe until the green residue disappears, restoring the original color. If there are white, crystalline deposits from sand holes, gently remove them with a wooden tool or soft material, then wipe with the metal care agent. **2. Daily Maintenance** In addition to natural oxidation, cast copper handicrafts on display may also be affected by customer interaction—such as hand sweat. This can lead to uneven discoloration, with frequently touched areas appearing brighter than others. To maintain uniformity and shine, it's recommended to perform daily cleaning every 3–5 days. - Use warm water mixed with a mild, neutral detergent. Gently wipe the surface, then dry it with a soft cotton cloth. This helps remove dust and oxidation residues without damaging the protective coating. A small amount of metal care agent can be used afterward to enhance protection. - If the product comes into contact with water or other corrosive liquids, dry it immediately with a dry cloth, then apply a little metal care agent. - Keep the display area dry and well-ventilated. Regular attention will help maintain the quality and appearance of the product. **Note:** The maintenance instructions provided here are specifically tailored for 62 brass, white copper, and standard copper materials used in cast copper products. These guidelines may not apply to other types of metal items. This guide ensures that your cast copper handicrafts remain in excellent condition, preserving their beauty and value for years to come. Http://news.chinawj.com.cn Submission:

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