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Project:Flow Hood: Difference between revisions
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=== Sealant === | === Sealant === | ||
The inside edges of the flow hood need to be sealed and air tight. As with the side panels, the sealant must be resistant to 70% ethanol, so ordinary bathroom sealant is out. So far the only ethanol resistant sealant I have found is [http://www.ppg.com/coatings/aerospace/sealants/indsealadh/Pages/default.aspx PRC Rapid Seal] which is rather expensive. A much cheaper alternative that may work is simply sticking | The inside edges of the flow hood need to be sealed and air tight. As with the side panels, the sealant must be resistant to 70% ethanol, so ordinary bathroom sealant is out. So far the only ethanol resistant sealant I have found is [http://www.ppg.com/coatings/aerospace/sealants/indsealadh/Pages/default.aspx PRC Rapid Seal] which is rather expensive. A much cheaper alternative that may work is simply sticking PTFE tape along the edges. However the ethanol may work its way under the tape and cause the adhesive to loosen. | ||
=== Filters === | === Filters === | ||
