• 发明公开了一种防锈处理剂,苯甲酸钠三乙醇胺尿素乙醇混合组成。

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

    youdao

  • 发明公开了一种防锈处理剂,苯甲酸钠三乙醇胺尿素乙醇混合组成。

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

    youdao

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