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How to Make a Silicone Mould

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Being able to quickly and easily make a mould means you can make clay, resin and concrete (to name a few) versions of pretty much anything you like... Think of the possibilities!


Materials:
  • Silicone Sealant - So this is important. It has to say silicone on it! We tried with different sealants and some worked... some really did not. The one in the picture below worked ok, but the best we tried was a "bathroom silicone sealant" which produced the final mould.
  • Caulking gun - to get the silicone out.
  • Hand soap
  • A positive to make the mould out of
  • bowl or bucket that isn't used for food (because you're not going to want to eat of of it again!)

 
Instructions:

1. Mix your soap and water together. About 1 part soap to 10 parts water.
Whoa! We've changed soap colour here. This tutorial took a few times to get right, so we now have purple soap for the rest of the DIY. Like magic!

2. Cut the end off the silicone and without using the nozzle squeeze it all out using the calking gun. If you're making a small mould you can just use a little and save the rest for another time.

3. Work the silicone until it is not sticky. Use both hands to pull and squeeze the silicone whilst it is submerged in the water for about 5 minutes.

4. Keeping it wet transfer into a container. As the silicone drys it gets very sticky so you want it somewhere it won't make a huge mess! The soapy water keeps stops it from sticking to your hands so don't dry them yet either.


5. Press your object into the silicone to create the mould. You'll want something with smooth edges that the silicone will peal off easily. This resin bracelet was perfect.

6. Leave the object in your resin until the mould is firm. This doesn't take very long. Carefully peel the object out of the mould and the mould out of the container (so you can use it again!)


You might be wondering why you need to make a silicone mould? Because Silicone moulds are ace for different materials like cay and cement.

via fallfordiy

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