(Topic ID: 263309)

Help! Brittle mylar not coming off well.


By cbartal

11 months ago



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  • 16 posts
  • 13 Pinsiders participating
  • Latest reply 10 months ago by RonSS
  • No one calls this topic a favorite

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#1 11 months ago

I read a bunch of posts about mylar removal and have tried the heat gun, freezing, and the goo gone/razor blade method, but none of them are working very well. The freezing seems to be the worst as it has removed chunks of the base paint. When I use heat, the mylar(?) melts and shrinks and hardens before the glue softens. The goo gone kind of works, but it's taking super long. I plan on repainting a significant portion of the playfield due to the damaged paint from previous owners plus the stuff I've pulled up. Any other suggestions to speed up the process but limit the damage? It took me over an hour to do a 9"x9" area badly. Does that sound about right? This is my first restoration, and I've chosen a really rough pin to do, but it is Space Mission and in the end should be worth it . Any tips or advice will be appreciated. Money is an object, so I'm trying to use more sweat equity than throwing money at it.

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#2 10 months ago

Did you take “before” pics ??

#3 10 months ago

Is there reason why the mylar needed to be removed?

Personally, I never attempt it unless the mylar is actually damaged in some way, especially on playfields with just a topcoat, rather than a clearcoat. Otherwise, yes, you risk paint loss.

#5 10 months ago

Dry ice

#6 10 months ago

Use Canned Air held (freeze spray) upside down. Let the mylar get frosty and white, should pop off. May still need to remove the adhesive layer.

#7 10 months ago

Are you sure that's mylar? I dont think mylar goes brittle like that, it could be some kind of plastic tape. I use naptha in a syringe and a plastic razor blade. Works great on old (pre-diamond plate) playfields. Squirt a little naptha on the edge to loosen the mylar, gently work the edge up with the plastic razor blade. When you have enough of a lifted edge, you can start slowly pulling the mylar back over itself.

#8 10 months ago
Quoted from solarvalue:

Are you sure that's mylar?

I agree. That’s not Mylar.
Looks like a coating that a previous owner applied

#9 10 months ago
Quoted from brenna98:

I agree. That’s not Mylar.
Looks like a coating that a previous owner applied

It sort of looks like packing tape.

#10 10 months ago

bonfire time

#11 10 months ago

I think it is mylar,a very thin type. I had the same problem on a game but I used heat and it came off nicely.

#12 10 months ago

quit while you're ahead!

#13 10 months ago
Quoted from ForceFlow:

Is there reason why the mylar needed to be removed?
Personally, I never attempt it unless the mylar is actually damaged in some way, especially on playfields with just a topcoat, rather than a clearcoat. Otherwise, yes, you risk paint loss.

I was hoping to remove all the tape/mylar because there are little pieces of it all over instead of one big piece, so it looks patchy and it's causing ball wear around the edges. Plus some of the covered areas need repainted because they're over already worn areas. I know I'll have to repaint a lot, but I definitely don't want to trash the playfield. As I mentioned, I'm trying to do it as inexpensively as possible but still trying to get it to look as good as I can. I'm decent with paint and don't mind that part of the work. I just need a faster way to remove the tape/mylar.

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#14 10 months ago

Maybe you need a few heat or cold cycles to break down the glue? Hit it with inverted compressed air, let it warm to room temp, hit it again, repeat once more. Or that may make it worse.... who knows? I feel for ya. I agree though, bunch of pieces all over, you don't want that.

1 week later
#15 10 months ago
Quoted from fiberdude120:

I think it is mylar,a very thin type. I had the same problem on a game but I used heat and it came off nicely.

I think that it may have been mylar, but I finally figured out that if I hit it with the heat gun for 5-10 seconds, it was enough to soften the adhesive and pull a little bit up at a time without causing the mylar to shrink and become brittle . I still lost a little paint on some of the very bad parts, but it came up much easier and took off much less paint than my first attempts.

#16 10 months ago

Sometimes the only way to learn is by doing.

Congrats!

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