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Prevention on cracking bubbles?

Discuss vintage Kenner and Palitoy Star Wars toys from the 1977-1985 era.
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Snaketibe
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Re: Prevention on cracking bubbles?

Postby Snaketibe » Wed May 31, 2017 2:06 pm

Yep, if the crack's at the edge of the bubble then cling film does indeed sound like a good idea. If the crack's across the front of it however, you might have more problems :?

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Re: Prevention on cracking bubbles?

Postby momike » Thu Jun 01, 2017 5:22 pm

When trying to stop cracks ive always gone for drilling holes at the end of each crack though this was not on sw bubbles lol but can be effective, maybe try piercing a hole with a fine syringe at each end of the crack, just a thought though the lying it flat is prob a better option :wink:

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Re: Prevention on cracking bubbles?

Postby Awl Skulkerkey » Thu Jun 01, 2017 8:17 pm

I work in the Sign/Print industry. There are many clear tapes out there with many different strengths. DO NOT use glue, yes it will melt bubble and make a right mess! If I was repairing it I would obviously realise the crack will only get bigger and will always be there so a high-tack ultra clear vinyl strip should do the trick. 3M are a very good manufacturer who could send you a sample if you ask them nicely. An easier option might be Scotch tape which once rubbed down is pretty discreet (see screengrab). Any stationery supplier should sell this. Failing that, good old reliable cellotape but use a scalpel knife and do not get finger prints on glue side, use blade of knife to apply neatly. Good luck bud :wink:
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Re: Prevention on cracking bubbles?

Postby Bunglebubs » Thu Jun 01, 2017 8:19 pm

Drilling a hole at the end of crack works very well in metal objects as ive seen it done multiple times and the remainder of the crack is then welded in. But in the case of plastic bubbles I don't think it would be the best option :lol:
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Re: Prevention on cracking bubbles?

Postby Carl Waterworth » Thu Jun 01, 2017 9:02 pm

Thanks for the comments guys, on closer inspection, there are 2 cracks mm apart, as the crack increases it devalues it, so putting celotape will also devalue it, but at least the tape has a chance.of preserving it.

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Re: Prevention on cracking bubbles?

Postby Awl Skulkerkey » Thu Jun 01, 2017 9:11 pm

Clear silicone is another option. It's not about prevention, it's damage limitation now. Any DIY store sells silicone in a tube - if you do get a good brand one. Apply with an artists brush. It will set like glue with a strong seal but is removable at any time with no damage to bubble
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Re: Prevention on cracking bubbles?

Postby maxf » Fri Jun 02, 2017 11:39 am

Buy some acid free 'archival' tape. Cut a small piece off and stick it down. It won't yellow or become brittle.

The bubbles are definitely getting worse - I've seen way more lifted bubbles over the past year than ever before. I know a collector who has had a bubble crack develop from nothing which the figure was in the same position on display - he thinks the bubble has shrunk very slightly, cracking the bubble.
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Re: Prevention on cracking bubbles?

Postby Mini99 » Fri Jun 02, 2017 12:55 pm

maxf wrote:Buy some acid free 'archival' tape. Cut a small piece off and stick it down. It won't yellow or become brittle.

The bubbles are definitely getting worse - I've seen way more lifted bubbles over the past year than ever before. I know a collector who has had a bubble crack develop from nothing which the figure was in the same position on display - he thinks the bubble has shrunk very slightly, cracking the bubble.


That's worrying...

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Re: Prevention on cracking bubbles?

Postby Carl Waterworth » Fri Jun 02, 2017 2:07 pm

Well i have place a bit of celotape across the bottom and half way up the right hand side, very pleased with the result. Hopefully it will be enough

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Re: Prevention on cracking bubbles?

Postby Snaketibe » Fri Jun 02, 2017 10:45 pm

That looks great. I can barely even see the tape :-). Did you use special archival tape or the regular kind in the end?

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Re: Prevention on cracking bubbles?

Postby Carl Waterworth » Fri Jun 02, 2017 10:52 pm

I used Regular celotape, i had done it before the archive tape was mentioned.
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Re: Prevention on cracking bubbles?

Postby Awl Skulkerkey » Sat Jun 03, 2017 10:31 am

If you ever have to remove tape in the future and it leaves glue residue behind I use regular 'lighter fluid' on soft cotton rag. It's more forgiving than strong solvent cleaners, harmless to print and evaporates afterwards. (As long as you don't rub too hard!)
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Re: Prevention on cracking bubbles?

Postby Snaketibe » Sat Jun 03, 2017 3:05 pm

I haven't tried lighter fluid (although I'm sure it works). I use Surgical Spirit B.P. and have terrific results, and again it doesn't damage the litho.

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Re: Prevention on cracking bubbles?

Postby Carl Waterworth » Sat Jun 03, 2017 5:44 pm

Thanks for the tips guys
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