M-3521 silane treatment agent

-- technical parameters -- -- product features -- ◆ new environmental protection pretreatment process, no phosphorus, no heavy metals, used to replace the traditional phosphating process. ◆ No water washing, direct drying without water washing after silane conversion, simplified process. The processing time is short, only 20 seconds to complete the silane conversion film. ◆ Silane conversion bare film rust resistance and iron phosphating (color phosphorus), lower than zinc phosphating (gray phosphorus).

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