A layer of protective membrane could be formed to prevent moistening and rusting to restrain the rusted metal from continuing to rust after the surface of metal has been spray_smeared with thi...

 
  • 其水溶液喷涂在金属表面,干后形成一层保护薄膜,防潮防锈,并能抑制已锈蚀金属继续生锈。
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