This is probably a little boring unless you’re into such things, however I’ve been testing the new rubber I bought – I didn’t want to cast up anything without having a go with it first.  Some types of silicon are inhibited from setting by certain materials so it’s a good idea to get used to using them first before you try anything major – you don’t want to turn your mold into a huge gooey mess and waste £xxx of rubber in the process (this  stuff ain’t cheap).

Luckily Tinsil seems pretty good stuff.  It’s a little less viscous than the old stuff I was using which makes it a little easier to mix and inject into the mold.  The colourant is also really good.  I had been using a combination of talcum powder and makeup powder to make the rubber opaque and give it a flesh tint, however the colourant makes the rubber completely opaque and flesh coloured with a small amount which is great.  It also seems to act in the same way as the previous silicon I was using which means I can carry on using the same method to paint and glue it which is also great.

Next step is to give the Platsil Gel I’ve bought a go.  This stuff is apparently a little more picky about what it chooses to react with.  It’s also very quick setting (about 6 minutes) rather than the 12+ hours for the ‘condensation cure’ silicons I’ve been using.

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