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Disc sander - sandpaper replacement and glue removal

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Forum topic by Kirk650 posted 11-28-2016 08:58 PM 955 views 0 times favorited 13 replies Add to Favorites Watch
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Kirk650

514 posts in 588 days


11-28-2016 08:58 PM

Just tore up my sandpaper disk on the 10 inch disc sander. It’s tough getting all the old glue off. What do you guys find works best? I’ve done the replacement before, but I didn’t get all the glue off. I have denatured OH and Mineral spirits.


13 replies so far

View Kazooman's profile

Kazooman

871 posts in 1792 days


#1 posted 11-28-2016 09:02 PM

I don’t have any direct experience with the glue from sanding disks, but I think that acetone would be a better solvent in this case. Available at any big box store. Use with good ventilation and keep away from flame, just like the two solvents you mentioned.

View mrbob's profile

mrbob

182 posts in 409 days


#2 posted 11-28-2016 09:13 PM

I warm up the glue with a hair dryer, then lay a rag over the disc and soak it with MS and let soak for about 30 minutes, add more MS during that time as needed. Then I scrape off as much as I can, then wipe off any remaining with a rag with MS.

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Kirk650

514 posts in 588 days


#3 posted 11-28-2016 09:21 PM

Ok! Heat! Makes sense. I’ll do that.

View splintergroup's profile

splintergroup

1705 posts in 1062 days


#4 posted 11-28-2016 09:37 PM

I use carburetor cleaner in the spray can, worked fine on the glue that was keeping my disc attached.

Any other strong solvent (acetone, lacquer thinner, etc.) should work too. Mineral spirits are probably too mild.

View JoeinGa's profile

JoeinGa

7727 posts in 1847 days


#5 posted 11-28-2016 11:41 PM

Cheap hair dryer for me, too.

-- Perform A Random Act Of Kindness Today ... Pay It Forward

View Kazooman's profile

Kazooman

871 posts in 1792 days


#6 posted 11-28-2016 11:53 PM

Yes, heat will help, but it may just create a bigger mess.

Mineral Spirits (a blend of simple hydrocarbons) is not a good choice for dissolving something like a polymerized glue. Good for degreasing, but not good for this task. Denatured alcohol is a good choice for cases where some degree of water solubility is desired, but it is not a good choice where longer chain molecules are present where it has limited solubility properties.

Get a can of acetone and be done with it. I can virtually assure you that some acetone on a rag will remove the glue. Forty-five years as an organic chemist and almost as many as a woodworker have taught me this.

BTW, and this also works for all of the nasty glue residue when you peel a price tag off a recent purchase. I hate how they make these things such that they leave a big glob of glue on the coffee mug you just brought home. Please, do a test area first, but the easiest source of acetone in most homes is nail polish remover.

View mrbob's profile

mrbob

182 posts in 409 days


#7 posted 11-29-2016 12:11 AM

the easiest source of acetone in most homes is nail polish remover.

Only if a female lives there, also the most expensive under the name “nail polish remover”.
Get a qrt can from the BBS.

View fivecodys's profile

fivecodys

838 posts in 1476 days


#8 posted 11-29-2016 05:11 PM

Here at work we use a product called Rapid Adhesive Remover. It’s like Goo Gone on steroids.
We use it to remove adhesive left behind on vehicle wraps.
https://www.amazon.com/REMOVER-Adhesive-Remover-Graphics-Stripes/dp/B006RUJ2D8

Best wishes,

-- Chem, Central California

View HokieKen's profile

HokieKen

4515 posts in 978 days


#9 posted 11-29-2016 06:55 PM

Goo Gone (xylene) works a trick on most any adhesive. Clean after it with a solvent or the next adhesive won’t stick.

-- Kenny, SW VA, Go Hokies!!!

View Kirk650's profile

Kirk650

514 posts in 588 days


#10 posted 11-29-2016 07:25 PM

I dug around on my shelves and in storage cabinets, but had no acetone. But I did find a spray can of brake cleaner, and that stuff worked great. Glued the new paper disk on and I’m back in business.

Thanks for your input.

View bonesbr549's profile

bonesbr549

1445 posts in 2907 days


#11 posted 11-29-2016 07:26 PM

goof-off. Not the best smelling but takes all kinds of crap off.

-- Sooner or later Liberals run out of other people's money.

View OnhillWW's profile

OnhillWW

112 posts in 1072 days


#12 posted 11-29-2016 07:29 PM

All of the above work but pose significant health risks. I used to work for a commercial supply house and we sold it all – the most requested and purchased product for adhesive removal was an orange based solvent, it worked better than all the above listed products and is far safer. The good stuff is not inexpensive but man does it work. We had commercial roofers and pavers buy the stuff in 5 gal. pails = $200.00, when I would ask them why they paid that they all said it was because nothing else cut the tar off equipment like it did and it was safe to use. I keep a quart on hand, use it full strength for the purpose the OP queried as well as removing any sticky residue from pulled off tags, tar on autos … apply let soak for 5 minutes and wipe off. Our product was Orange Blossom, but I have used others that work well, just be sure that the product you choose isn’t too inexpensive as that is a sure sign that it is a less concentrated product.

View bc4393's profile

bc4393

57 posts in 982 days


#13 posted 11-29-2016 09:36 PM

WD40 or Home Depot HDX branded lubricant (That I used last time). Learned the trick getting gum off of car paint. As the adhesive comes off it gets coated and won’t restick. It took me about 30 seconds to get the glue off my sander with a razer blade. Scraped gobs of it off (easily) and wiped it onto a paper towel. Wiped the platter down with lacquer thinner after to get it good and clean of oil and put a new disc on. I used to use acetone but as soon as it starts to dry again it gets gummy and keeps sticking. Same idea as goof off or goo be gone I’m sure, but I bet you this method is cheaper and you already have it at home.

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