How to Make Easy Soap Molds

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Introduction: Create Your Own Quick Soap (or Other Craft) Molds

Sometimes, you may have a soap idea, but can't find a commercial mold that fits your need, or you just want to create something silly or personal. For those times, making your own mold is your best option. Mind you, this method does not create professional grade silicon molds that will hold up to hundreds and hundreds of pours, but they are pretty amazingly durable and all of the materials are easily available almost anywhere.
For this lesson, Igor and I decided to try and make crystal soap and rock soap. As it turns out, I made too much silicon, so we also made a shell soap.

Step 1: Measure Mold Materials and Find Moldable Objects

For this, we're using Amazing Mold Putty from the Alumilite Corporation of Kalamazoo. (I just love typing Kalamazoo.) The product is by and far the easiest mold product to use for the novice, plus it is food grade silicon and made in the US. Because it's food grade, you can use it to mold ice cubes and chocolate and other nummies. The company sells it in bulk quantities, but you can get small containers of it at the craft store for a fairly low price point. (Sub $15.00)
Here is a tablespoon of each of the mixes, and the objects we were originally going to mold.(We added the shell after I upped the amount of mold materials.)

Step 2: Mix Mold Components Together

You mix equal parts of each component together until they are a uniform yellow color with no streaks.It is a bit like playing with slightly oily play dough. But it's so easy, even a child can do it. See, here is a child doing it.

Step 3: Mold Your Objects

Once the mix is ready, you have about 15 minutes to get it around the object you are going to use. The best method is to roll a ball of it up, so you don't have any seams, then press the object into the ball.
Remember to leave enough room on one side to get your object out.I also recommend that you have enough of the mix at the bottom of your object that you can press the molding ball against a flat surface to create a flat bottom.A flat bottom makes pouring things into the mold considerably easier.
Here are three things we have molded; the two rocks are opening side down, so as to expose as much of the mold to the air as possible, and the shell is open side up, to create as steady a flat bottom as possible.

Step 4: Let Molds Dry, Then Peel

Let the molds dry for at least 30 minutes, then peel them (carefully) off the object. Rinse them out, and they are ready to use. Here is what we made with ours.At the top is the original object, in the middle is a soap simulacra of the original object, and the bottom is the mold itself.
The other pictures are close ups of each molded object next to the original object.

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    Well, I dunno so much about calm. ;) But I'll cop to cool...until Igor becomes a teenager, at which point, Mom can't be cool anymore. Hee. :)

    Weapons grade uranium isn't available even in small amounts. The enrichment process is controlled by the government and so costly that buying even a small amount would be unfeasable.

    I, for one, am fairly happy that weapons grade uranium isn't available...but isn't non-processed uranium still something they sell in periodic chart type science kits? (I ask because I don't know. Igor isn't old enough for me to drill the periodic table yet...although I should probably get one just so I can get up to speed, as I've forgotten a lot of it.)

    I'm sure you could get non-enriched uranium. Uranium is fairly common in the environment and its decay is the source of radon gas. It also used to be used as a coloring in various products. Most health physics educators have a piece of orange Fiesta-ware in their educational props kit. It was a brand of plates that used uranium to make the plates a lovely orange color. There was also a fad in the early 1900's to drink irrdiated water and they used to sell uranium containers that would irradiate the water for you. Sometimes they show up on ebay. Sorry for the rant. The short answer would be "yes, I'm fairly sure you can get unenriched uranium".

    Hi. I would like to know if the coloured soaps aren't colouring hands while cleaning?

    No, there's not enough color in the soap for it to leach onto hands. :)

    Yay! I'd love to see pics when you're done!

    you mean radioactive? i will assume you do, and that you are not a terrorist: first of all, the only radioactive elements that most people can buy in relatively large amounts are thorium (price fluctuates often) and uranium (typically $5-10/g) unless you have special licenses and permits. more dangerous elements like polonium and radioactive isotopes of stable elements are available as needle sources and disk sources (from $30 to more than $100), which are used in a number of fields, from cloud chambers to carbon dating.
    here are 2 links:
    uranium and needle sources
    thorium, thorium compounds, uranium compounds

    what is the melting point of this stuff? I don't need an exact number, just tell me whether or not it's above 500 F.