How can I make a bottle look like it's filled with liquid?

M

matt black

Well-Known Member
Hi everyone,

I have a vintage Pepsi bottle that I want to fill with something that looks like pepsi but I would rather not use liquid as it will be kept next to other props and I don't want to risk it being knocked over.
Is there some kind of see through resin that can be poured into a bottle that then sets. The stuff that they used to use for those 80's sculptures of a soda can pouring in mid air into a glass would work.

Any ideas?
Thank you for any advice given.
 
Pour brown acrylic paint inside, and turn it on its side, twisting the bottle to coat the sides. Just work it closer and closer to the top of the neck.
It will look like it is filled with brown cola, but it is just a thin layer of paint inside.
The other option is to buy clear resin and tint it brown. Fill the bottle with the resin and even put a straw in it and blow some bubbles.
It will harden with bubbles inside and look carbonated.
 
As already mentioned for the most realistic approach get some clear polyurethane resin, give a slight tint of brown.
 
Clear casting resin with some transparent dye...you may have to worry about expansion of the resin, breakingvthe glass though. So be careful about which one you pick.

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Paint will look like a painted bottle. The best way to achieve the look is with resin. Try a local hobby store, they usually have project sized kits that do not cost nearly that much.
 
You should be able to easily find resin in your local craft store either by the jewelry or the flower arrangement section(bigger box) but the 'dye' to make it look like cola might have to be sourced from the internet.
 
Cast n Craft Clear Casting Resin, can be purchased at any Michaels or AC Moore if you are in the states. They also sell the dye kits. Usually in the same isle as the Sculpey.

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Thanks again everyone. I don't have any craft stores near me so it will have to be an internet job. I'll try and find some cheaper casting resin options.
Many thanks.
 
Curing resin generates a lot of heat. Make sure it won't deform the bottle.
 
Another option may be to coat the insides of the bottle with resin (ensuring that the resin thickness should be non-translucent) then spray some spray foam inside (careful not to get the one which creates pressure as it cures). Top it off with more resin. This should cut down on your resin costs and not generate a lot of heat. I've never tried this myself...it's all theory.

TazMan2000
 
Thanks again everyone. I'm learning a lot here. I suppose the best thing to do is test the resin first on something that isn't important to see how it works before going for the final try.
 
Like already said, I wouldn't worry about curing resin generating enough heat to melt the glass. But you do want to look at shrink, or expansion ratio on products. Think in terms of liquid to solid, like the old science class experiment with freezing water in a container. If it expands when hardened, it could break the bottle. If it shrinks drastically, you could have a solid rock that rattles around in your bottle.

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