1, oiling can prevent oxygen and rust, and many pieces are not easy to rust. If there is rust, they will also be removed. If it is a rough stone or a complicated sculpture, you can paint it with an oil painting pen, and hand-painting cannot be pervasive.

If it is rusty, dip the toothbrush in white vinegar, then clean it, blow dry it with a hair dryer, and then oil it. If you don't touch it for a long time, you can add desiccant to seal it and put it in the bottom compartment of the refrigerator for freezing. The freezing room of the refrigerator is actually very dry, which is caused by moisture turning into ice. This method works for two or three months.

condition

In fact, iron meteorites account for almost 90% of the known meteorites, about 500 metric tons. All known large meteorites, including the largest Hoba meteorite.

These meteorites contain more than 95% iron and nickel metals and have experienced a long-term wind and rain environment on the earth. It is also inevitable that oxidation will lead to rust. Hunan Zhongli Cultural Relics Appraisal Center is a legal third-party cultural relics appraisal institution approved by the state. It is one of the institutions with cultural relics appraisal qualification in China. Changsha, located in central China.