What is Siligum? And how to use it for Silver Clay Jewellery Making

What is Siligum?

Siligum is a non-toxic silicone moulding compound. It comes in two parts (one white and one blue) that when mixed together can be used to create flexible but durable moulds.

What’s it used for in jewellery making?

Siligum has many uses in a variety of different fields, but in jewellery making it can used for capturing fine detail in plants and flowers, shells, and other small objects that can then be used with silver clay to create jewellery and other embellishments.

How to use it

  1. Mix together equal parts of the white and blue compound with your fingers until there is an even blue colour throughout. Once mixed you have around 5 minutes to play before the compound  begins to harden.

  2. Roll your mixed marble of compound into a ball and flatten so that you have an even disc.

  3. Carefully place your object (plant/shell etc.) on the flat surface of the moulding compound and press down evenly.

  4. Leave the compound to fully harden - you will know when it is fully cured when it is rubbery and springs back into shape when squeezed.

  5. Remove your object, and voilà, a perfect impression!

Where to buy it? 

USA - Amazon

Europe - Perles & Co.

UK - Cookson Gold

Is it toxic?

Siligum is non-toxic so you don’t need to wear gloves when handling it (unless you want to of course!)

How many times can I reuse the moulds?

The moulds are reusable up to 50 times

What mediums can it be used with?

You can us your moulds with silver clay, wax, polymer clay, regular clay, resin, and plaster, and as it’s food-safe, you can even use them for cake decorations and edible embellishments!

The Botanical Shadow Box Bracelet: Each central design is made using Plants and Flowers with Siligum Moulds. Click here for the step-by-step online project

Learn how to use Siligum Moulds to make silver clay jewellery

Discover these start-to-finish projects to use your siligum moulds to create elegant jewellery

Silver Clay Botanical Coin Necklace - Beginner friendly

Silver Clay Twig Rings - Beginner friendly

Botanical Shadow Box Bracelet - Intermediate project

Pearl Blossom Ring - Intermediate project

Access all the Silver Clay Online Projects + New ones every month with the Cognac Jewellery School Membership. From 19.99€/month or 199€/year

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What’s a Cotter Pin and how to use one when soldering jewellery