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February 25, 2009
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I cannot tell you how many times I have gotten questions from people wanting to get into clay, and many of these questions deal with health and safety concerns. So I decided to seek out a professional answer.

When it comes to me, personally, I do think about health and safety quite frequently. If you are feeling a little skeptical about polymer clay and it's effect on your health, these are some very could precautions and practices you should get into the habit of doing:

:donut: Purchase a small toaster oven and timer for your polymer clay, that way you don't have to worry about cooking and baking in the same oven as you use for your clay.

:donut: Do not over-bake or burn your polymer clay, and only use the temperature and timing mentioned on the instructions.

:donut: Use latex or other gloves for handling your clay.

:donut: Bake in a well-ventilated room. Open your windows, turn on a fan, or open the door. I wouldn't suggest opening your oven and breathing in the plastic-infused air.

:donut: ALWAYS wash your hands after using your clay, and don't at or drink around your clay.

:donut: Some people make ear plugs out of clay, but personally I wouldn't recommend it. Don't make plates or things to eat out of clay, either.

:donut: Don't use any supplies or tools on your clay that you also use for food. That includes piping bags and decorating tips as well as cookie cutters, knives, cups, etc. Keep one set of tools for clay and one set for the kitchen - don't ever interchange them.

Many of these tips I use myself, although I am guilty of not wearing gloves when I use it and I also haven't gotten myself a second oven yet - the funds don't allow it. But I DEFINATELY plan on getting one very soon.

It is up to YOU to keep yourself safe, and the decision on whether to use clay rests entirely on your preferences. Here is a fantastic article I found on the safety of clay off a website called "Bella Online" which can be found here: www.bellaonline.com

Enjoy.

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Is Polymer Clay Toxic?
Guest Author - Chris Franchetti Michaels

The question of polymer clay toxicity has been controversial within the polymer clay artist community. Scientific studies, package labels, and rumors create confusion over whether polymer clay may be hazardous to work with or even touch. It's true that polymer clay's two essential ingredients have been associated with environmental and health concerns. Here's a brief look at these ingredients, what the experts have to say, and whether you should be concerned about polymer clay safety.

Polyvinyl Chloride (PVC)

Polymer clay is made primarily out of PVC, a hard plastic that's commonly used in construction and other industries. PVC is made from a chemical known to cause cancer, and its manufacture creates some hazardous byproducts that are released into our environment, including dioxin. It's believed that these substances can also be released when PVC is disposed of and begins to break down, or when it is burned. Since it's not biodegradable and usually not recycled, PVC also creates a general disposal concern.

Although PVC raises its own environmental and health issues, it's another ingredient in polymer clay - called phthalate - that has caused the most concern over safety.

Phthalates

Phthalates are plasticizers; they're what make polymer clay soft and workable. In recent years there have been serious issues regarding their use in children's plastic toys. Phthalates have been linked to a variety of health problems, including birth defects and neurological damage. With polymer clay, the question is whether dangerous levels of phthalates can enter the body through ingestion (such as when children place clay in their mouths), touch, or inhalation of vapors (especially during firing).

Scientific Studies

In July 2002, an environmental watchdog group called Vermont Public Interest Research Group, Inc., (VPIRG) published a study concluding that polymer clay was potentially hazardous. They conducted laboratory analysis of the two leading brands of polymer clay and found that both contained significant levels of dangerous phthalates. They also conducted experiments to determine whether polymer clay users were exposed to those phthalates. According to the study:

"The . . . lab found that, when prepared as directed, polymer clays could expose children and adults to significant concentrations of phthalates . . . from both handling the clays and breathing in the air contaminated with phthalates during the baking process." (From Hidden Hazards - Health Impacts of Toxins in Polymer Clays, Executive Summary, VPIRG, July 2002.)

As a result of their findings, VPIRG called for a moratorium on the use of polymer clay until further studies could be performed to confirm that the clay was not dangerous. They also asked for better labeling of clay by its manufacturers.

Soon after the VPIRG study was published, the Art & Creative Materials Institute, Inc., (ACMI) published a press release challenging VPIRG's findings and restating its belief that polymer clay is not hazardous when used as directed. ACMI is a professional organization made up of art and craft materials manufacturers. This organization has provided their "certification" that some brands of polymer clay are "non-toxic".

In the press release, ACMI pointed out that the Consumer Product Safety Commission "has extensively tested samples of polymer clay for safety concerns . . . . [and] found that [it] did not contain any volatile organic compounds and that no acid gases were released if the clay was baked to 163o C (325o F)." (From Phthalates in ACMI-Certified Polymer Clays, ACMI, July 30, 2002.)

Should You be Concerned?

Unfortunately, we all need to make a judgment call about the safety of polymer clay and whether we choose to use it. We do know that there are millions of active polymer clay artists, and their clay doesn't seem to be sending them all to the hospital. If the clay were extremely hazardous, it would probably be more obvious.

That said, chemicals in polymer clay have proven to be hazardous at some levels and in some circumstances. Common sense tells us we should keep that in mind when using it. I personally wouldn't recommend allowing children to play with polymer clay unsupervised, and I think everyone - children and adults - should wash their hands thoroughly after handling it. Additionally, I think clay should be fired in a well-ventilated room.

You should also avoid over-heating clay or firing it for longer than necessary. The reputable jewelry-making supplies dealer Rings-n-Things provides this additional recommendation on its polymer clay information web page:

"If you seriously delve into polymer clays, you will probably want to invest in a second oven for convenience, if not for potential long-term health reasons. All of these polymer clays are non-toxic and well-tested, but it somehow seems foolish to be cooking food in the same oven in which you are daily cooking plastic." (From www.rings-things.com/POLYMER.H…, visited July 26, 2006.)

Understand that although the major brands of polymer clay are "certified non-toxic," this does not necessarily mean they are 100% safe. The non-toxic certification by ACMI is provided by an organization of manufacturers, which some argue equates a conflict of interest. It's probably true that the manufacturers don't want to stop making polymer clay; but they also don't want to be responsible for (and sued over) detrimental effects to people's health. They do have motivation to make sure their products are safe.

We should also consider the environmental health and safety implications of PVC production and disposal. On one hand, polymer clay only accounts for a small fraction of the PVC manufactured today, so its impact may be negligible. On the other hand, if you pride yourself on being environmentally-friendly as much as possible, polymer clay may not be for you.

Original source for this article can be found here: www.bellaonline.com/articles/a…
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:iconstormcloud134:
stormcloud134 Featured By Owner Jan 30, 2013
Im trying to scult a special topper for a wedding cake. I normally use polymer clay for my projects but I worry about the health risks with it being on the actual cake. Any suggestions on safe alternatives the will work??
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:iconmonsterkookies:
monsterkookies Featured By Owner Jan 30, 2013  Professional Traditional Artist
I've made a wedding topper before, and all they did was put it on top of a little plastic circle so that it wasn't touching the cake... and so it wouldn't get icing on it. XD I don't think they really cared if it touched the cake, though. Lol.
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:iconforestina-fotos:
Forestina-Fotos Featured By Owner Jun 28, 2012  Hobbyist General Artist
This is very interesting, thank you.
I sculpt fairies and am trying to get better at them (over at my ~Forestina account), but I've noticed over the past few years, a couple of professional sculptors who have been diagnosed with cancer, or seem to have died younger than they should. Of course, it could be totally unrelated to sculpting, and probably is, but it has made me a bit undecided now about whether I want to keep sculpting to try to get to a professional stage. Maybe daily intensive use of polymer clay isn't such a good idea after all. But I really don't know. *sigh*
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:iconmonsterkookies:
monsterkookies Featured By Owner Jun 28, 2012  Professional Traditional Artist
I've thought about it a little bit, myself. I guess you can always wear gloves. :)
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:iconforestina-fotos:
Forestina-Fotos Featured By Owner Jun 28, 2012  Hobbyist General Artist
The problem with gloves is that you couldn't work on the detail. Though I might certainly give it a try. Those thin surgical type gloves. :)
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:iconmonsterkookies:
monsterkookies Featured By Owner Jun 28, 2012  Professional Traditional Artist
Yeah, I know what you mean. When I am kneading large amounts of clay, I will sometimes wear gloves. But not for detail. It's just too finicky. >_<
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:iconsparrowcrazy:
sparrowcrazy Featured By Owner Mar 30, 2012  Hobbyist General Artist
Is there some safe clay alternative without these harmfull chemicals? I'm rather catious when it comes to stuff like this... and I would really feel guilty for harming the enviroment. Actually I already do since I bought Super Sculpey before I read this. =/ I¨'ve looked around and all Polymer, Fimo and Sculpey seem to have the same problems... any alternatives then?=)
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:iconmonsterkookies:
monsterkookies Featured By Owner Mar 30, 2012  Professional Traditional Artist
Use a non-polymer clay? Such as natural earth clay that is airdry.
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:iconsparrowcrazy:
sparrowcrazy Featured By Owner Mar 31, 2012  Hobbyist General Artist
Unfortunately earth clay isn't that good at sculpting small obejcts and details..=/ Not those I've found anyway..
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:iconmonsterkookies:
monsterkookies Featured By Owner Mar 31, 2012  Professional Traditional Artist
That's why I use polymer clay. :) I haven't died yet, if that makes you feel better... XD
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