Resurfacing table with butcher-block surface

We have a table with a butcher-block surface that we plan to sand-down and resurface.
What are the potential alternative protective coats to put on after we finish sanding? I would prefer a touch, water-tight surface like polyurethane to more porous ones like oil or wax.
What are some specific recommendations for types of products?
Thanks, Jeff
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If you plan on using it as a butcher block (cutting and preparing foods) then only use a finish that is food safe. Walnut oil or mineral oil are the traditional ones. If it is just to be used as a table then I think you are on the right track with polyurethane. It provides a tough finish, great for tables which will get used. The main drawback as I see it is that poly is difficult to repair if you get a scratch or something in it. There are nice looking finishes that are easily repairable, like shellac if that is a concern.
Frank
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For food-safe durable finishes (cutting boards) I've had good luck with General brand "salad bowl finish."
For general purpose durable use, you might try Waterlox. I have not tried it before, but based on positive comments here I ordered a couple of quarts from Highland Hardware and received them today. Looking forward to trying it out.
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