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Picture of Cold Porcelain Clay Recipe
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I was wondering about polymer clay substitutes and decided to experiment with homemade air-dry clays.

This recipes is very fast and easy to make, not to mention inexpensive. There's no need to bake either.

The things that can be modelled from cold porcelain clays are incredible. Its possible to sculpt finer details than polymer clays.  Objects dry to a light-weight, stone like texture. Try it and see where your creativity takes you.

Step 1: Ingredients You Need

Picture of Ingredients You Need
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This recipe makes one silky smooth, soft cup of cold porcelain clay. Suitable for thin flowers and leaf sculptures.

1 cup cornflour (optional try using rice flour 50:50 mix)
3/4 cup pva (wood) glue
3 drops of eucalyptus or nutmeg oil (for a preservative)
either 1 teaspoon baby oil or 1/2 tsp petroleum jelly (to prevent cracking during drying)
1/4 cup water

(New Recipe! update here, no cracks! How to Make Cold Porcelain Beads)
 
 
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SonyaC22 months ago
SonyaC2 SonyaC22 months ago

can i engrave on this after it cures?

Gomi Romi (author)  SonyaC22 months ago

I painted nail polish and tried drilling holes to make buttons, however the pieces cracked in two. Its probably better to engrave before it dries. You might like to check out silicone caulk mold making using silicone and cornstarch and baby (mineral) oil. This can create sharp imprinted replicas

JacquelineC42 months ago
Is it possible to make this with homemade glue? We don't have Elmers glue in South Africa ._.
Thanks in advance! :D
Gomi Romi (author)  JacquelineC42 months ago

I guess you could use homemade glue. Depending what is in the homemade glue. Is there some kind of resin? I saw you could make your own glue by melting polystyrene foam with acetone. Then you'd probably need gloves to roll your clay. I'm experimenting with a new recipe that's close to polymer clay soon. ps Do you have mineral oil like baby oil?

Thanks so much for this. I'm wondering whether I can substitute talcum powder for cornflour/starch? Or does the cornflour take part in the gluey/bonding process? Does the mixture need to be heated or will it work just mixing up cold? Thanks everyone.

Gomi Romi (author)  melanie.maguire14 months ago
Your welcome! I think talc would work also. There seem to be many videos of this. I think heating is best or using boiling water then cold to quickly cool it down.
Thanks Gomi, it turned out that I had some cornflour in the cupboard after all. I used the microwave method and added a couple of drops of glycerine, half a teaspoon of citric acid (instead of 2 tbsp of vinegar - I can't stand the smell), and some lavender essential oil just for fun! It's resting in the fridge right now and I haven't actually got round to making anything with it so I'll let you know how it turned out.

Why on earth would you want to cook this? My guess...too much liquid. At the Studio we use what we call "CFC". (cold fusion clay) 1/2 cup PVA, 1 cup cornflour (corn starch) 1 tbs+ Boiled linseed oil, and 1 tsp salt. Mix to desired consistency adding water via a spray bottle or to thicken, a little more cornflour. This stuff air dries in 24 hours depending on the thickness or sooner in an oven a around 100-125 degrees in a couple of hours...again thickness is a factor. We don't have any problems with cracking. Add moist toilet paper, shredded and soaked brown paper bags and even chopped fiber glass insulation for strength, never poses a problem. These extra components are mixed in with a Kitchen Aid Stand Mixer with the paddle attachment. Just a bit or positive assistant to make your artistic quest a reality...

From what I see the main difference is how these two products set. The cooking sets this recipes or at least allows it to do so in the air. Your recipes needs the boiled linseed oil to do the same. I would be cautious about using your recipe because it has boiled linseed oil in it. When linseed oil is "boiled" what is being done is catalysts are being added to make it cure faster. These catalysts typically are heavy metals that can be toxic. That is why cutting boards are usually done with unboiled linseed oil if they use linseed oil at all. It takes weeks to cure but it is food safe.

Hi, can you please tell me whats PVA. i m from India.

TreasaR selve17 months ago

Hi Selve! - PVA is like fevicol what you usually use for all arts & crafts work in India.

PVA is the common abbreviation for Polyvinyl Acetate. It's the principle component in White Glue, Carpenters Glue, School Glue, PVA Glue, Wallpaper Adhesive...even used as Envelope Adhesive. Hope this is helpful,

Thanks.

Thank you so much for telling us how to do (basically) the same thing, sans cooking. I have absolutely no plans to put toxic fumes in the air with my two children at home. I appreciate your input!

You can easily make cold porcelain without cooking. But there are no toxic fumes to worry about as far as I know, unless heating the white glue somehow makes it toxic.

For a simple, easy cold porcelain you can make with your kids, try this recipe:

1 cup cornstarch

1 cup school glue

2 tbs white vinegar

About 1 tsp Nivea hand cream

Mix together well and knead until smooth and elastic, adding more starch or glue if necessary. Wrap it tightly and store in an airtight container. You can add a little white tempera paint or Wilton White White to it if you like, to give it a white colour when it dries. Otherwise, it will be translucent and kind of yellowish if left uncoloured.

I forgot to mention, the school glue is not as strong as the wood glue, so your clay will be much softer and may not hold it's shape very well. At least, that was my experience. Good enough for simple projects, but not for larger or more intricate ones.

Oops, I forgot an ingredient too: 2 Tbs baby oil (or cooking oil)

I have tried both cooked and uncooked cold porcelain. I found the cooking produced a much stronger clay that was easier to work with and held its shape well. This method is preferred by many well known CP artists, such as Marisol Romero.

What you describe seems to be something quite different, as there is no glue in it and it can be dried in the oven (not generally recommended for CP). I have never tried adding paper or any other fibre to CP, and I have never seen it done in all the tutorials I have read. I'm not sure, but I don't think it would work very well. It is also not necessary. It's plenty strong enough on it's own.

GenevieveT5 months ago

Good day. i'm about to make an accessory made of cold porcelain, will irritate my skin or not??? thanks for the reply.

Gomi Romi (author)  GenevieveT5 months ago
It may be irritable if you are allergic or have sensitive skin. However if you enclose it with some other material it may be ok. The final material is very smooth and solid, but if it has cracks, it can be rough and irritating.
santa.barbosa9 months ago

Romi? Do you think this would work for sculptures, ie: dolphins, wolves... etc.

Gomi Romi (author)  santa.barbosa9 months ago
Maybe? I think ultimate papermache recipe is better. She does all these kinds of sculptures and they look awesome
KuhAngeles1 year ago

Would I be able to make something using this recipe that will withstand longterm water submersion that is safe for living things? Like a decorative ornament to go inside a glass flower vase?

Cold Porcelain, to my knowledge, cannot be made waterproof. But I haven't tested this yet. Regardless of what you use it for, it must be coated with something to seal it.

Superb reciepe. Can I use this for sugar flowers or to cover a dummy?
Gomi Romi (author)  aycaweerakoon3 years ago
Sure, except its not edible.

I wish cucaraches could read this. They ate one of my figures :(

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LOL I don't think the cucaraches would care even if they could read this. But at least they have good taste. ;)

I have never had anything eat my CP, but the mice stole my papier mâché creations once while I was waiting for them to dry. Not sure if they ate them or used them to line their nests or just took them for the fun of it.

mamaRoxc1 year ago

I'd like to try this, but I am really not too fond of putting toxic air in my home.. ✮ I have two children, and toxic fumes or smoke is not a welcome visitor
.. ✮ I will have to try this [at someone else's house?] because I really like the idea of making my own air-dry clay. Thanks for the tutorial!

H82BU mamaRoxc1 year ago

Lol! Wood Glue (Unless are are buying industrial strength or something) and Elmer's glue are pretty much the same thing and are Non-toxic they are even both found in kids school supply section at walmart! Pre-schools let children glue sticks together with wood/ elmer's glue! (They even say "Non Toxic ) on the bottle! Also if you have ever tried to compare different ways to make this clay there is a no cooking version also and a microwavable one too! Also even most homemade playdoughs have some kind of glue in them! ;) Also being safe and non toxic, 90% of cookware sold nowadays "pans with this special coating" (Teflon is the best-known version) Many of these are fluorine-containing compounds, which as a class are generally toxic.” But fluoropolymers, the chemicals from which these toxic compounds come, are a big part of the coating formula — and the very reason that foods don’t stick to nonstick. Also did you know that fluoride that is in drinking water and toothpaste was invented by a nazi scientist in the 1930's and the non-organic sodium fluoride used in fluoridating water is instant poison you and was first used to change the behavior and kill people! So im sure you probably don't drink tap water but i'm sure your children take a bath and swim it.. should research that! All I am saying is harmless school glue is the least of worries now days and i'm pretty sure the air your children breathe in FL when they are outside playing is 100's of times more toxic than this recipe..( Criteria air pollutants include the six most common air pollutants in the U.S.: carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter, and sulfur dioxide) Thank You for the recipe i am sure my kids will enjoy making and playing with the clay! :D...

PS: Mod Podge is just a jacked up version of school glue and wood glue mixed! :)

mamaRoxc H82BU1 year ago
I just saw your comment about "wearing a mask and using a well ventilated area", so that's why I said this lol
Thank you for your long drawn out history lesson! My husband is a History Professor, and I am very happy you know your history of the Nazis!

No masks or ventilation should be necessary when making cold porcelain. It is non toxic. Recipes do vary widely though and some may have ingredients that you do have to be careful with.

Would olive/vegetable oil be a working substitute for baby oil and tacky glue for wood glue? Does this dry light weight, able to use for a mask? Thanks! Also if anyone could recommend other recipe, it would be appreciated!
Gomi Romi (author)  twestbrook11 year ago
Yes! the ultimatepaper mache lady uses linseed oil.
Looks like some very nice work! Do you happen to know what temperature it can withstand? For example, can you put it in an oven at 350 F and expect the air dry clay to not deform? I am trying to find a way to create a moderately permanent mold at room temperature that can withstand pvc plastic melting into it and create mini figures from the pvc in this way.
Gomi Romi (author)  miniaturemaker2 years ago
Hi, actually this is an unfired recipe and dries over several days. its easy to crack but if you use more glycerin that water it will not crack as much. personally, i wouldn't fire this because of the fumes from the glue. its just so durable to make beads and small sculptures. i think you can make great molds from paper clay, which unfired is quite durable. i haven't tried it but have seen it done before. (search for unfired clay hump molds)
hshahid2 years ago
can i use this recipe to make jelwry?small flowers?plz do reply thankx
Gomi Romi (author)  hshahid2 years ago
Yes, but you need to find a way to waterproof it. I think that ultimatepapermache has a better waterproof recipe for jewelry.
Boy, I love this site! I've learned so many interesting things, starting off with cardboard furniture.
So glad to have this site to peruse instead of going to the *(&^**&^% bead sites and spending all my money (which I can't afford to spend!!)
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