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AQUEOUS COMPOSITION FOR PRETREATING A METAL SURFACE BEFORE APPLYING ANOTHER COATING OR FOR TREATING SAID SURFACE
AQUEOUS COMPOSITION FOR PRETREATING A METAL SURFACE BEFORE APPLYING ANOTHER COATING OR FOR TREATING SAID SURFACE
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机译：用于在涂覆另一种涂层之前对金属表面进行预处理或对所述表面进行处理的水性组合物
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摘要
The present invention relates to an aqueous composition for pretreating a metal surface before treating the metal surface or applying an additional coating. The aqueous composition of the present invention is obtained by adding a) at least one sodium, potassium, and / or ammonium water glass, and b) at least one silane to water, and in each case comprising the reaction product resulting therefrom, To b) is preferably in the range of 0.1: 1 to 2: 1.
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