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Joined: Jul 2013
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to be honest, the only real damage from wd40 is on glue. It tends to dry up fast anyhow and its effcts are minimal. But never spray on tuning pins !!

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It stinks, was made to loosen rusted bolts and nuts. (Don't get it on plastic surfaces, or finishes such as the fishing gps in my boat, it will melt the screen)

As piano technicians, we are as specialized and professional as car mechanics or welders and plumbers etc....

There is also less of us. And products only available to us. We pass that cost onto our customers because we can offer excellent service. (same as mechanics etc...)

So products directly related to our trade are available. They evolve and become better all the time.

So

WD-40 stinks, Protek does not.

Last edited by accordeur; 03/31/21 09:32 PM. Reason: clarity and rant

Jean Poulin

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I suspect that Protek was not developed by a chemical engineer specifically for the piano trade!

I imagine that it is an existing fluoropolymer industrial lubricant bottled up and re-badged. But good on the Protek proprietor for discovering how this stuff could be used for piano work, and for presenting it in bottles that we can use to inform and impress clients. It is certainly a most useful and benign product.

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If all the "harm" for the piano comes down only to the fact that wd-40 stinks, then it is not forever and disappears. We are not required to fill the entire tool with the agent, but only minimally as needed. In my opinion, there is nothing more to discuss.

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After the last flurry of anti WD I asked one of my clients who is an industrial chemist what wd40 was and what protek was.
He told me that wd had to change their recipe several years ago as some of the solvent had poor effects on respiration or something. But he maintained that the current recipe was good. He also stated that it is designed purely as a water displacement, not designed to loosen rusty bolts at all. Apparently that is a complete misuse of the product even though it often appears in TV shows where they are using it in that way.

Protek, in his opinion was a specific American gun oil. He said he would tell me the exact make in due course.

Curiouser and curiouser....
Nick


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It will be very interesting in your chemist client is able to identify the brand of gun oil!

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Wd40 stinks. After application almost 2 weeks ago, I still get its smell sometimes. Subtle, but noticeable. Also, be very careful not to spray it on keytops accidentally. I did and one key has somewhat notiecable faded spots.

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Originally Posted by David Boyce
It will be very interesting in your chemist client is able to identify the brand of gun oil!
That's my thought too....will he come through??? Time will tell I suppose...


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I await, agog!

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And me!

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In an old soviet book on piano maintenance, the author suggests using watch oil. Does anyone have any experience with this kind of oil?

Last edited by Vlad Ants; 04/10/21 01:43 PM.
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I was just watching a few Nekkid Watchmaker videos on YouTube, and he uses several different types of lubricants. He says there are lubrication charts for different watches that say what to use where, but he cannot find them for all different motions, and some of them are too old to have them.

The important thing to glean from that is that finding the ideal lubricant will probably take some experimentation, and those that do it, sell it for a good price. So if you are in doubt, buy what is available for the purpose, and charge the customer appropriately.


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