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Stuart V10 Cylinder Casting

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KWIL14/07/2015 19:52:25
3681 forum posts
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Alum works a treat removing ferrous material from non ferrous castings. If the item is small enough, place in saturated solution and keep warm. It will gas (shows it is working) and you may need to scratch/blow out the resultant black iron oxid from the hole as it proceeds..

At room temperature it will take some time,I recently cleared out a broken M3 tap from a curved copper boiler by placing a plasticine bund around the hole and keeping the solution topped up. Cover with cling film to prevent drying out.

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