nitrocellulose glue-what do you know? - RC Groups
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Oct 12, 2017, 02:46 AM
Registered User
Discussion

nitrocellulose glue-what do you know?


am trying to learn what is the difference between several cements that are made of nitrocellulose. if they use the same basic ingredient, why 1 is stronger than other?
i used duco for a long time. very strong yes, but was very slow drying. then learned about ambroid. very strong too, and fast drying. but now is out.
testors was not as strong. so sigment.
i see others made in europe too, but are hard to import, or even impossible.
i hope some1 can bring data on the reason why, and if there are other cements that use the basic ingredient, that can be purchased or imported into canada.
and at a reasonable price
please polite, positive and to the point answers only. data. sources.
Last edited by phil alvirez; Oct 12, 2017 at 10:09 AM.
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Oct 12, 2017, 08:01 AM
AndyKunz's Avatar
Nitrocellulose is commonly called Gun Cotton.

Celluloid is base for these glues, dissolved in acetone, MEK, and other solvents.

Andy
Oct 12, 2017, 10:08 AM
Registered User

about duco:


contacted the company about duco and they said that stopped making it many years ago and the 1s on sale are not theirs and not the same.
http://www.itwconsumer.com/userfiles...2435%20TDS.pdf
Last edited by phil alvirez; Oct 12, 2017 at 11:04 AM.
Oct 12, 2017, 10:30 AM
An itch?. Scratch build.
eflightray's Avatar
UHU do an 'All purpose Adhesive' on one side of the tube, on the other side of the tube it shows - 'El Pragamento Universal' ).

It smells just like the old balsa cement we used on balsa wood models, pretty sure it is a nitrocellulose, warning says 'Highly Flammable'.

UK advert -- http://www.poundland.co.uk/uhu-multi...-adhesive-60ml


Ray.
Oct 12, 2017, 10:55 AM
A man with a plan
Balsaworkbench's Avatar
Have you seen this? http://www.ebay.com/itm/Nitrocellulo...19.m1438.l2649
Oct 12, 2017, 11:08 AM
Registered User

tried


Quote:
Originally Posted by Balsaworkbench
yes, i got it. but does not stick as strong as the original ambroid. i can tell because tested both (i still have a little of ambroid).
Oct 12, 2017, 11:09 AM
Registered User

looks good


Quote:
Originally Posted by eflightray
UHU do an 'All purpose Adhesive' on one side of the tube, on the other side of the tube it shows - 'El Pragamento Universal' ).

It smells just like the old balsa cement we used on balsa wood models, pretty sure it is a nitrocellulose, warning says 'Highly Flammable'.

UK advert -- http://www.poundland.co.uk/uhu-multi...-adhesive-60ml


Ray.
thanks for the link. looks good.
but, have you tried it? how strong it feels?
i think you mean "el pegamento universal" (that is what the box says).
now, how do i learn if ship to canada for testing it?
tried the link but does not tell.
and i think the smell comes from the solvent, not the cellulose. but perhaps the solvent plays a role in adhesivity?
Last edited by phil alvirez; Oct 12, 2017 at 11:22 AM.
Oct 12, 2017, 11:11 AM
A man with a plan
Balsaworkbench's Avatar
Quote:
Originally Posted by phil alvirez
yes, i got it. but does not stick as strong as the original ambroid. i can tell because tested both (i still have a little of ambroid).
That's interesting. I never used Ambroid. I've always been a CA user. I still like CA but now I'm starting to branch out into other options, just because it's fun and interesting.

I bought a bottle of the ebay glue and tried it. I thought it worked OK, but I have nothing to compare it to. The seller has two thicknesses. Did you get thick or thin? If I remember correctly I got the thick stuff.
Oct 12, 2017, 11:20 AM
Registered User

just 1


at the time i bought it there was only 1 density. it is about same as ambroid.
Oct 12, 2017, 12:52 PM
Registered User
Norm Furutani's Avatar
Another nitrate based glue that has been popular with some local So Calif. fliers is full size aircraft covering cement. Super Seam, Sure Seam. Comes in quart cans and is the consistency of model cements. I noticed the manufacturer has changed the formulation and may not be the same as I have used. The link has a lot of info and you can probably contact the manufacturer. https://www.aircraftspruce.com/catal...s/sureseam.php
My experience has been with the original Super Seam and I use it for indoor model construction. A-6, Penny plane etc.

Norm
Oct 12, 2017, 01:05 PM
Registered User

alive and well


got another link to duco: http://www.itwconsumer.com/devcon-products/index.cfm
so yes, still available.
Oct 12, 2017, 01:50 PM
Registered User

more data


Quote:
Originally Posted by Norm Furutani
Another nitrate based glue that has been popular with some local So Calif. fliers is full size aircraft covering cement. Super Seam, Sure Seam. Comes in quart cans and is the consistency of model cements. I noticed the manufacturer has changed the formulation and may not be the same as I have used. The link has a lot of info and you can probably contact the manufacturer. https://www.aircraftspruce.com/catal...s/sureseam.php
My experience has been with the original Super Seam and I use it for indoor model construction. A-6, Penny plane etc.

Norm
thank you very much. very interesting line of products.
the 2 that seem closest to my needs are sure seam and super seam, but dont know what is the difference. i asked the rep in canada but if you know more about this i will appreciate if you tell me what you know.
by the way, i used to fly indoor and used ambroid.
Oct 12, 2017, 02:34 PM
Registered User
Norm Furutani's Avatar
Another avenue to explore is "fletching cement". Used to attach feathers to arrows. Looks like Duco and CA's are popular, but I see other brands/types? available.
Oct 12, 2017, 03:07 PM
Registered User
Here is a link to the material safety data sheet (msds) for the glue currently being sold under the Duco label. Note that 70 to 80% is acetone and 10 to 20% is cellulose nitrate by weight:

http://www.itwconsumer.com/userfiles...MSDS/62465.pdf

In the link you provided for Duco I noticed that the trademark "Duco" originates with du Pont which has licensed the trademark to Devcon et company so it's not clear that what people used as Duco a couple of decades ago is "the same" as the current Duco.

I also used Ambroid in late 60s and early 70s.

What application for this sought for adhesive are you seeking? A lot of innovative substitutes are being used by modelers today for expired, no longer available or difficult to obtain adhesives and coatings.

Michael in Ontario, Canada
Oct 12, 2017, 05:55 PM
Registered User

cellulose


as ambroid has been the best for my use am trying to learn about nitrocellulose glues available.
i use it for balsa/spruce/plywood.
i dont mind trying other materials but i think i will stick with this kind.
thanks for your input.


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