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[APD] Re: Rubber baseboard in tank
One idea is to use that rubber baseboard stuff you can buy at Home Depot. I
looked at it today and noticed it was all colored somehow. So I have two
1. Would it deteriorate over time?
Yes, it will get hard and crack. It will probably also leach things into
the water as it deteriorates. I wouldn't use it in a tank myself.
2. Would it contaminate the water in some way, making it dangerous for the
Most likely, although I can't say I've tried it. It is best to only use FDA
approved materials in a tank (FDA approved for food service use), as these
materials won't leach toxic substances.
Anyone have any ideas on this? Perhaps something already exists to handle
this problem and I've just never found it in my searches. Hmf.
Better solution: use pieces of LDPE or HDPE (Low or High Density
Polyethylene, respectively). The material is *very* inexpensive -- cheaper
even than acrylic, and can be formed into shape BY HAND WITHOUT HEAT in the
thinner sizes. It is durable, not brittle, and rigid enough to make a great
barrier in a substrate. You can even get it in black (UV resistant) if you
I would suggest you get some strips of 1/16" thick LDPE from a plastics
supply place. I have had good luck with http://www.usplastics.com They list
a 1/16" thick 24" x 48" sheet of LDPE at $6.97, and the same size in HDPE
is $5.64 (either should work for your application). You can cut the thin
sheets with tin snips or even durable scissors (it will help if they have
serrations). If you have a paper cutter that should work really well since
the material is soft enough to be cut with one.
All you need to do is cut strips in the size you need, then stick them in
the substrate. If you bend the sheet sharply over a form (like the edge of
a table), it will hold the bend a little and make it easier to keep a sharp
bend with minimal support. The material is FDA approved, inexpensive, and
easy to work with and has ideal properties for your application.
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