Re: [DIYbio] Preferred cheap countertop surface?


Scrounge up some scrap Corian on Craigslist. Corian is alumina-filled acrylic, so it has the same solvent susceptibilities as acrylic. But it makes a very nice workbench, particularly if you can find a scrap piece the right size.

On Thu, Feb 23, 2017 at 3:27 PM, Nathan McCorkle <nmz787@gmail.com> wrote:
I am building a small workbench to compliment my second-kitchen
countertop that is a bit smaller than I need.

I tried finding some granite or other polished rock surfaces, but they
were asking $20-$50 per square foot. I'm wondering if a finish-grade
plywood with floor polyurethane would be OK for a few months/years of
casual use.

Obviously it sucks for fire prevention (if a bunsen burner fell over,
or an alcohol lamp), as well it seems less resistant to solvents and
strong chemicals, not that I'd care if it got ugly... but it might
change the hardness and be i.e. forever sticky and messy. My main
concern is microabrasions and being harder to sterilize. I think
flooring polyurethane will probably hold up pretty well to most
equipment and labware, except maybe my metal ring-stand. I'd guess I
might see some (micro) scratching even after dragging a dusty
cardboard box across the surface, due to the rocky components of dust
(at least my garage's dust). I'd bet bleach/alcohol/lysol would be
able to combat this for only so long.

I've also considered a few pieces of large/very-large non-porous
tile... but the grout joints concern me, though I imagine I might be
able to seal them somehow and they'd be much more fire-proof, but
still would be prone to scratching since the sealant would probably be
polyurethane or epoxy.

Am I overthinking it? What have other people found
works/doesn't-work/works-for-a-while?

I'm going to scan craigslist again for some cheap granite too.

--
-Nathan

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