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M101N Changing Color?


Moynihan

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I have a m101n Tortoise (the greenisn-brownish type) that i got a couple years ago.

I noticed last night that some spots on the barrel are reddish now (i am not talking about reddish brown, i mean dark RED). The main one is an irregular shape about 3-4mm long.

Have i been inattentive, or can the celluloid change color ?

"I am a dancer who walks for a living" Michael Erard

"Reality then, may be an illusion, but the illusion itself is real." Niklas Luhmann

 

 

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These bindes are cellulose acetate, which does not have the flammability of nitrocelllulose (which was used on the original 100N binds) but which is not as stable as acrylic either.

 

Cellulose acetate can color shift, crumble, deteriorate, outgas and sweat. When it's disintegrating it can have a distinctive vinegar smell. People try to segregate such decaying plastic so that it doesn't "infect" other items.

 

It would be surprising if your M101N was already exhibiting such signs, but poor or insufficient curing of the plastic can lead to this. There have been poor cure batches of recent production celluloid pens.

 

Can you post pictures of the plastic?

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I will see if i can

"I am a dancer who walks for a living" Michael Erard

"Reality then, may be an illusion, but the illusion itself is real." Niklas Luhmann

 

 

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