1. Houses with pure copper crafts must be kept dry and […]
1. Houses with pure copper crafts must be kept dry and free of dust and air pollutants. The temperature is 18 ℃ -24 ℃, and the relative humidity is 40% -50%.
2. It is necessary to prevent contact with harmful chemical substances such as acids, oils, chlorides, etc. produced by pure copper crafts. Cotton gloves must be worn when moving copper crafts. Do not touch directly with your hands to avoid being corroded by sweat. Do not use oily paper or boxes for packaging.
3. The dust on pure copper crafts should be removed with a clean and soft cloth, and those details that require special care (fragile and fragile) should be removed with a soft brush or sucked away with a vacuum cleaner or Blow away the dust.