When you are happy with the mould cover work surface with cling film
2. Label 2 of the wooden tongue depressors with A & B.
3. Get a plastic cup and cut the top off, cutting it in half.
4. Make sure to shake the mixing spray well, then spray the sculpture at a window for about 2 seconds, just to give it a light covering.
5. Then once that is dry spray with Petrolease, make sure you are wearing a mask to protect yourself from the fumes and are doing this at a window or outside.
6. Using a glue gun, place the top half of the plastic cup over the plastic try with your mould on and seal into place using a glue gun. Make sure there is no holes for liquid to escape.
7. When measuring your silicone you need to make sure you have the exact amount in both.
8. Then depending on how much you are going to use, I measured 50g of platsil gel A and 50g platsil gel B with a total of 100g
9. Make sure that whenever you are measuring the gel’s you change your gloves for each, to ensure there is no contamination
10. Use scales to measure the gel’s, and carefully measure then, using stick A for gel A and carefully measure out 50g. Then put the lid back on and clean up and change gloves.
11. Then use stick B for gel B and measure out 50g, you can measure it in the same cup as they are going to be mixed together anyway so it doesn’t matter about contamination at this part. Wipe clean both gel pots with baby wipes and put away.
12. For the next part it doesn’t matter what stick you use, but mix gel A and B together, making sure there is no air bubbles.
13. Pour the gel into the mould, making sure it covers the sculpture and wait for it to try, this should take up to an hour.
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