PSA glue removal

[Joe Donohue]

I must be doing something wrong. I have a 12" disk sander using PSA sanding disks.

I have a heck of a time getting the used disks off the aluminum platter to replace them. The adhesive does not want to come off cleanly. The disks tear and leave part of the paper with the adhesive stuck on the metal.

I have tried scraping with an old chisel, wetting, etc. Yesterday I soaked the remainder with Goo-off and finally got it all off. Took about a half hour.

Is this normal? Should I be coating the metal platter before stucking on the new disk?

Thanks

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[Joe Donohue]

Thanks, Wendell. Ill try that next time. I had tried a hair dryer yesterday without success but a propane torch would certainly be a whole lot hotter.

Joe D> Take a propane torch & lightly warm the sandpaper up. It will come right

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[George]

And a lot more likely to warp the disk. If the disk comes off easily, do the soak in a platter of mineral spirits. If not, soak in sections under a rag and wooden spatula to remove.

Have not tried this one, but someone once said that the big crepe eraser will help.

[Steve Knight]

a heat gun will do it. I warm the paper till it peels off.a torch will be a bit of a pain really.

[<redd103]

Take a propane torch & lightly warm the sandpaper up. It will come right off. Be careful to hold the torch about a foot away.

[Leon]

Like Steve said, use a heat gun or I always simply sand a piece of wood with the worn out paper to heat it up and then try peeling it off. The warmer the paper is the easier it is to remove.

[<redd103]

The heat from a propane torch is hot & "fast" takes about 2 seconds to heat the sandpaper & glue so no warpage.

[Silvan]

Especially if you swipe your hand in front of it while it's lit.

OTOH, I don't have a heat gun. Next time I have the OP's problem, I'll try a torch. Better than the enormous pain in the ass of pulling the wheel and scraping/napthaing it for an hour like I did last time.

[Steve Knight]

On Fri, 26 Dec 2003 19:00:11 -0500, Silvan w

if you do it often the heat gun can be pretty cheep. look for one from harbor freight. You can use it for stripping finishes and such too.

[Steve Knight]

that's a good idea. but my disc's never get that worn (G) I use zirconia and it takes forever to get really dull on the disc.

[Lew Hodgett]

Buy one.

They are less than $50.

Can't believe how much I use mine.

BTW, hell of a lot less expensive than an unexpected fire if you screw up with a torch.

[Silvan]

Kind of a chicken and egg thing, ain't it? I don't do it very often because it's such a PITA. If it were easier, I might do it often enough to justify the price of the tool, but without the tool, I won't do it often enough to need the tool. :)

[Ron Magen]

You guys either believe in 'Overkill' {re - Tim Allen - - "MORE POWER !!"}, or are 'very lonely'.

Joanne goes through at least one hair-dryer a year. The last one only needed a bit of electrical tape insulation at the handle/cord junction. With about

4 settings - from 'Cool' to 'Hot' - it is IDEAL for controlled 'warming'. Use it to warm up PSA pads & plattens - pre- and post attachment, removing the annual registration stickers from the boat hulls, small parts prior to applying epoxy, getting 'bubbles' in clear-coat epoxy to 'pop', ditto varnish, etc, etc.

If you HAVE to have a new one, take a look at 'After X-Mas' sales at almost ANY CVS Pharmacy, K-Mart, etc. - probably find a decent one for $10 - 15.

MUCH SAFER than a heat gun . . . which CAN burn you, the wood, etc. Get careless and it WILL cause a fire.

Regards & Good Luck, R>

[Leon]

Yeahhh... LOL I forget that people actually use more than one grit. ;~) I only use 1 per tool.

[Silvan]

$50 is a big purchase for me. I'd need to get a *lot* of use out of it to justify it. I can't really see it. It's way, way, way down on the someday list.

Granted, but it's a level of risk I'm prepared to accept more readily than I'm willing to part with something in the neighborhood of $50 for a tool I'll use a couple times a year.

[nospam]

at the moment (and will be again, frequently) on sale:

[Silvan]

I just got a lathe! Need I say more? :)

[nospam]

OK....

this one is probably a better deal:

[Steve Knight]

me too. my disc is always 120 never changes edge sander 80 belt sander 120. only the palm sander gets different grits.