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Message

Etchant Identification

2012-09-23 by David

Hi All,
Can anyone tell me what this etchant is? I have not seen such before.

 http://www.ebay.co.uk/itm/1pc-Copper-clad-palte-CCL-PCB-blue-environmental-protection-etchant-200g-/251130218053

Thanks,

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