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 Why are my logos turning green?
Author: Garth Libre 
Date:   2013-12-25 01:11

My Yamaha is only 6 to 8 years old but already the logos are starting to turn green at the edges. Why does this happen? I tried cleaning the logos with a little soap and water but it made no difference. It's almost like it's the tarnish we get on copper pennies. Assuming I'd be willing to do something mid and short of just trying to repaint them, what can I do. The engraving still seems sufficiently deep, unlike my Buffet which is worn down almost level.

Garth, 305-981-4705. garthlibre@yahoo.com

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 Re: Why are my logos turning green?
Author: Chris P 
Date:   2013-12-25 02:05

It's the copper content in the gold paste that turns green over time as it reacts with your perspiration and other oils in the wood. It's purely cosmetic and the only thing you can do is to clean it all out with a needle and redo the logos with fresh gold paste. This is much easier to do on Yamaha clarinets as the logos are engraved deep, whereas on Buffets and Leblanc Concertos, Opuses, etc. the logos are stamped on shallow with heat activated gold foil which isn't as easy to redo once worn.

Former oboe finisher
Howarth of London
1998 - 2010

The opinions I express are my own.

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 Re: Why are my logos turning green?
Author: rtmyth 
Date:   2013-12-25 02:56

Thanks for the info, Chris.

richard smith

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 Re: Why are my logos turning green?
Author: Ken Shaw 2017
Date:   2013-12-24 22:06

An audience comes to hear you play, not to look at the bling. I'd scrape all the gold out with a a straightened-out paper clip and then with a pin and cover over any green with a black felt-tip pen. I never have my trademarks filled with what is, after all a gold-colored crayon.

A friend got one of the best soprano saxes Selmer ever made when the original owner sold it because the finish had accumulated tiny scratches that "spoiled" the look.

Ken Shaw

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 Re: Why are my logos turning green?
Author: Johnny Galaga 
Date:   2013-12-25 05:30

Are you storing your swab inside the case? I used to do that and then heard that this increases moisture inside the case. Then I stopped keeping the swab in the case and bingo, no more dark green fungus/tarnish ever again.

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 Re: Why are my logos turning green?
Author: BobD 
Date:   2013-12-25 16:00

The green verdegris may keep insects away.......

Bob Draznik

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 Re: Why are my logos turning green?
Author: Garth Libre 
Date:   2013-12-25 21:24

The swab gets stored outside, but I wipe the tenons and the keys with a clean chamois. The chamois is never very wet, only the amount of moisture that accumulates in the sockets.

Garth, 305-981-4705. garthlibre@yahoo.com

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 Re: Why are my logos turning green?
Author: Ken Shaw 2017
Date:   2013-12-25 21:55

Anything that gives off sulfur will turn things green. The most common source is latex, i.e., rubber bands. Keep them outside of the case in a separate pocket.

Ken Shaw

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 Re: Why are my logos turning green?
Author: Garth Libre 
Date:   2013-12-25 20:38

Are the Rovner ligatures guilty of giving off sulfur too?

Garth, 305-981-4705. garthlibre@yahoo.com

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 Re: Why are my logos turning green?
Author: Funfly 
Date:   2013-12-28 14:43

Maybe the sulphurous fumes are coming because you are blowing too hard ;-)

I remember when I played (Trombone) in a brass band the sulphurous fumes congregated in the practice room especially at the loud bits.

On a serious note, hope all my friends on here have had a good Christmas and will have a good and melodious new year.

FF

Martyn Thatcher Mature Student Cheshire U.K.
Clarinet - Yamaha SE Custom
Alto Sax - Yamaha YAS 480
Guitar - Yamaha FG 375-S

Post Edited (2013-12-28 19:44)

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 Re: Why are my logos turning green?
Author: Ken Shaw 2017
Date:   2013-12-28 20:35

As opposed to a good malodorous new year. ;)

Ken Shaw

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 Re: Why are my logos turning green?
Author: BobD 
Date:   2013-12-29 01:38

The green on copper is from CO2, not sulfur....

Bob Draznik

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 Re: Why are my logos turning green?
Author: Garth Libre 
Date:   2013-12-29 03:11

In any event, my logos should not have turned green because I coated the clarinet bore and body with sweet almond oil which should have protected against CO2 gas.

Garth, 305-981-4705. garthlibre@yahoo.com

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 Re: Why are my logos turning green?
Author: Funfly 
Date:   2013-12-30 11:03

Ken,

brilliant.

Martyn Thatcher Mature Student Cheshire U.K.
Clarinet - Yamaha SE Custom
Alto Sax - Yamaha YAS 480
Guitar - Yamaha FG 375-S

Post Edited (2013-12-30 16:04)

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