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Discussion in 'Pre-CBS Strats (before 1966)' started by inra311, Nov 27, 2017.
The guard on my '65 isn't nitro cellulose, it's vinyl . No shrinkage here.
I've never heard of a nitro cellulose pickguard. I have always heard it referred to as celluloid
Well done on the detective work and repair ! Very informative asI for one didnt know about pickguard shrinkage....Im sure all the viewers are eyeballing their starts now checking.....
As was mentuioned if originality is to kept then just bag the original and replace with a new pickguard would have been my plan a supposed to sanding the cover or guard. You Will always have the original part and if you sell it its srill original.
Well then, you've learned something. Celluloid is nitro cellulose (cellulose nitrate) mixed with a plasticizer, usually camphor:
I did some further research on the general properties of celluloide and the shrinking. Found much info in forums on knifes or pens...
Though some state that the material itself is highly instable and might one day go crazy - like to shrink, crack, or deteriorate - it seems nevertheless be related to environmental factors, like heat, UV, and humidity. I feel it is mostly heat that is dangerous. Probably one afternoon in the car boot before the gig on a hot day causes more shrinking or damage than 30 years in your house when stored properly.
Celluloide contains camphor, this might evaporate, I guess mainly at higher temperature. It seems 120 degrees F (48 degrees C) is already very dangerous, and surely possible in a black case in the sun, or in the car boot. I guess most of us do not gig with their pre-CBS guitars anymore so it should not be a problem to most of us, no reason to panic
Also it seems that the evaporating camphor can 'infect' other celluloide parts: one becomes bad, others will follow. This was mentioned in the pens forum. So in case somebody has several of these pickguards stored in some bin, it is wiser to store them individually. The gas will also to bad things to other stuff, like make metal corrode or destroy plating. I know of a National steel guitar from the 30ies in almost mint condition, just under the celluloide pickguard it is golden instead of silver.
Here is some scientific stuff on heat and celluloide:
Unfortunately hardly a replica pickguard looks as cool as the original ones
Great information- thanks
I hear ya, but the theory is it would prevent furthur damage to pick upscetc.. by shrinking and you still have the original part. Do You still wear your favorite t shirt when it shrinks....probably not,it goes into a box for safe keeping....lol
But, Ido agree the original is always cooler.
Then why do we call it celluloid?
The plastic can be referred to as the compound celluloid (made from nitrocellulose and camphor) or referred to by the (major) component used to create the compound . And that is nitrocellulose.
I don't think it is that hard to understand
Who is this "we" ? LOL.
You just love to argue. It's the same thing. Celluloid = nitro cellulose. Period. Argue with someone else.
It's only hard to understand if you don't want to understand, and you're under the impression that you're already an expert with nothing else to learn. You know, a know-it-all.
Here's a couple of people that I knew that referred to the celluloid guards as nitro cellulose. One was John Carruthers. The other was Art Valdez. Both highly experienced (50+years) repair technicians and in Art's case, a real Luthier.
I'm not arguing. I haven't claimed to know what's going on here. I've just always heard that vintage strats had nitro cellulose paint and celluloid pickguards. I didn't know that the pickguards had nitro cellulose in them but now I do
This I did not know. cool info.
Because that's what it is/was called this side of the Atlantic, like the cellulose paint used on cars, the nitro part wasn't ever mentioned.
There are two "we"s, the Americans and everybody else.
Be "we" I wasn't referring to any side of the Atlantic. Just we as the general vintage guitar community
I wasn't really referring to your use of "we", but yes it is generally called celluloid.
Reminds me the Carpet Crawlers
"...The fleas cling to the golden fleece
Hoping they'll find peace
Each thought and gesture are caught in celluloid
There's no hiding in my memory
There's no room to avoid..."
the mind surely does move in mysterious ways...
There is also The Queens 'we'.
Also Queen's "We Will Rock You."