• The invention discloses an anti-tarnish paper finishing agent which is composed by mixing sodium benzoate, triethanolamine, urea, ethanol and water.

    发明公开了一种防锈纸处理剂,苯甲酸钠三乙醇胺尿素、乙醇、水混合组成。

    youdao

  • A new anti-tarnish agent has been screened out, based on phytic acid, sodium benzoate, sodium molybdate and EDTA by means of orthogonal analysis and conditional experiments.

    采用正交试验条件试验,筛选出苯甲酸钠EDTA为基本组成镍磷合金抗蚀防变色

    youdao

  • With bright nickel strike plating before pulse non-cyanide silver plating, brighter and finer silver coatings with stronger anti-tarnish property and corrosion resistance can be obtained.

    光亮打底后再脉冲获得更加光亮、结晶细致的镀银层,且抗变色性能蚀性增强

    youdao

  • With bright nickel strike plating before pulse non-cyanide silver plating, brighter and finer silver coatings with stronger anti-tarnish property and corrosion resistance can be obtained.

    光亮打底后再脉冲获得更加光亮、结晶细致的镀银层,且抗变色性能蚀性增强

    youdao

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