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Old 06-08-2022, 03:56 PM
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glovepopper glovepopper is offline
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Default Transparent mylar balloons
Recently I tried removing silver plating from mylar balloons. I used a water solution of caustic soda (used to unclog sewage pipes) to do this. I dissolved a small amount of soda in warm water, and then I dipped the uninflated balloon. The aluminum layer was etched from the balloon in about 2 minutes. Then I washed the balloon in running warm water and left it to dry.

In addition to the nice appearance, I'm surprised how durable such a balloon is... One burst under me with a really loud bang after inflating it very hard
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File Type: jpg Transparent mylar balloon.jpg (101.1 KB, 115 views)

Last edited by glovepopper; 06-08-2022 at 08:35 PM.
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Old 06-08-2022, 08:50 PM
onemoreblow onemoreblow is offline
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Default Re: Transparent mylar balloons
Cool idea. I wonder if those can be custom made easily with a hot roller. Is there a way to make the mylar more elastic?
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Old 12-08-2022, 05:34 PM
condensatelover condensatelover is offline
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Default Re: Transparent mylar balloons
Nice results. Done it with a star balloon.
I do not have a pump, so you can see some condensation inside.
It finally popped because of overinflation and boiling weather. The bang was loud.
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Old 13-08-2022, 12:28 PM
Smiithy Smiithy is offline
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Default Re: Transparent mylar balloons
That seems awsome! Can you give some more details in order for us to try? For example, how much water and soda etc.. thank you!
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Old 13-08-2022, 08:34 PM
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glovepopper glovepopper is offline
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Default Re: Transparent mylar balloons
Thank you guys for the response. I was dissolving 2 tablespoons of caustic soda in 1 liter of warm water. A more concentrated solution will remove the aluminum coating faster, but don't overdo it. Remember that soda is aggressive to the skin and you must use protective gloves.
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Old 14-08-2022, 09:19 AM
condensatelover condensatelover is offline
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Default Re: Transparent mylar balloons
I just use water. Warm water, maybe 40C. I highly recoomend ordering some Agura balloons from Russia. They have really strong seams, my star balloon popped from overinflating, and I was surprised that seams were not damaged, the mylar film just popped. The bang was awesome
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Old 14-08-2022, 10:34 AM
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Default Re: Transparent mylar balloons
Mine balloon didn't burst at the seams too, just on the smooth surface. It was surprisingly loud
See the photo...
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Old 16-08-2022, 12:33 PM
Smiithy Smiithy is offline
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Default Re: Transparent mylar balloons
thank you i will try to do it ^^
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