某些保护性树脂涂层可能会损坏金属文物 (IMAGE)

American Chemical Society

某些保护性树脂涂层可能会损坏金属文物

Caption

一枚未经处理的北宋金属钱币（左图）在涂覆了树脂涂层并经光照和高温处理后（右图），锈蚀程度加重。

Credit

Rui Tian

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