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Glass Coasters... (Read 101 times)
 
John Grace
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Bel Air, Maryland, USA
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Glass Coasters...
Aug 22nd, 2022 at 11:40am
 
I'm taking all of the scraps in my shop and am going to be turning a bunch of table coasters for glasses.  What is your preferred finish...polyurethane or mineral oil?  thanks...
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Ed Weber
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Wilton, California, USA
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Re: Glass Coasters...
Reply #1 - Aug 22nd, 2022 at 12:11pm
 
I prefer a low sheen poly, SBF is also a good choice.
Mineral oil is more prone to getting water stains.
JMO
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Glenn Jacobs
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Re: Glass Coasters...
Reply #2 - Aug 22nd, 2022 at 1:43pm
 
I use gloss poly. Made maple and have oak ready to turn. Like using square blocks for form. just make sure to not turn too thin.

Glenn J.
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Louie Powell
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Saratoga Springs, New York, USA
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Re: Glass Coasters...
Reply #3 - Aug 23rd, 2022 at 6:17am
 
I would be worried about condensation that causes water to accumulate on a coaster as it is being used.  So definitely NOT mineral oil.  Poly would work but epoxy might be a better choice.  I wouldn't rule out pure Tung oil.

Re design - coasters are decorative and functional, but shouldn't be the source of excitement.  So glasses must sit securely with no tendency to rock from side to side.  I would make sure that the top of each coaster is dead flat, and also make the bottom slightly concave so that they sit on an outer rim without rocking.
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« Last Edit: Aug 23rd, 2022 at 6:20am by Louie Powell »  

Louie
 
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