"WD", as everyone on this list knows, stands for "Water Displacement". So it is an oil that is hygroscopic ( absorbs water) and in piano actions WILL lubricate them until enough humidity has been absorbed from the air that the wood parts swell up and seize completely. Thumpe -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20120823/1fac9f12/attachment.htm>
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