SILICONE MOULD Petri Art Coasters

Resin8®
SM.001.012
23 In stock
Coaster Moulds
$10.00
This super shiny Petri Art Silicone Coaster Mould has not one but 3 petri cavities so you can make 3 coasters at a time! Use our coat-it resin for coloured wall art, our fill-it epoxy for crystal clear round discs, and if you want to use this mould to make... Read More
$10.00
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This super shiny Petri Art Silicone Coaster Mould has not one but 3 petri cavities so you can make 3 coasters at a time! Use our coat-it resin for coloured wall art, our fill-it epoxy for crystal clear round discs, and if you want to use this mould to make a large coaster/placemat, remember to use our heat-resistant as the final layer (or first layer if you're making them upside down). Easy to demould, this flexible silicone mould gives you plenty of space to make glorious effects with resin and alcohol ink.

Petri Art combines resin with alcohol inks to create three dimensional splashes of colour with unpredictable results. Called petri art because it resembles the tiny particles found growing in petri dish experiments, this popular technique is simple to get started with as long as you get the basics right.

If using to make a JESMONITE coaster, remember to seal the coaster before use with our Protect-It sealant to make it less porous.

If you're using these moulds to make coasters, we recommend that you fill your edges and then add a 3mm thick clear layer of HEAT-RESIST™ resin first in your mould. Let it set and then add more resin with colour, ink, glitter, flowers etc. Once turned out, what was the bottom will be the top and heat-resistant up to 90oC! Remember that our HEAT-RESIST™ resin needs 21 days to achieve full cure, so don't place a hot cup on it too early.

If using to make a JESMONITE® coaster, remember to seal the coaster before use with PROTECT-IT™ sealant to make it less porous.

How to look after your new mould: top tips from the Resin8® team

Our silicone moulds can be used multiple times - to get the very best resin results it is important to care for them perfectly. Keep your mould in the bag it comes to you in and store carefully. Moulds do not like to be stacked or kept contained in a box with other items, this will result in the mould losing its shape. Moulds that are more complex to demould from will not last as long as straightforward, plain moulds.

It is best to use a heat tool such as an embossing craft gun to rid bubbles from your creations, naked flames can damage the outer edges of your mould. Take extra care when de-moulding your creation, pay special attention to not scratch the interior of your mould with long fingernails.

Any residue left in your mould once you have finished using it can be brushed out with a soft bristled brush such as a watercolour paint brush. Do not use sticky tape to de-tack dust, fluff or glitters - doing this will remove the interior shine within your mould.

If your casting comes out dull it could be that the mould has come to the end of its life (or that the mould doesn't have a shiny interior surface). You can keep using moulds that are past their best - it just takes a little more effort. Add a thin layer of resin to the casting or use polish and a cloth to bring up the shine.

You might like to consider using moulds that have past their best for another exciting craft. How about exploring the wonderful world of JESMONITE®? Resin-tired moulds make excellent moulds for working with JESMONITE®​​​​​​​. You can find more about this wonderful composite here.

Should you need a little more guidance, our FAQs provide lots of helpful information, as do our YouTube videos. You may also like to join our friendly Facebook group for help from our super customers.

  • Measurements: each petri 100mm across, approx 18mm deep (but you don't have to fill it right up!)
  • Measurements: entire mould 292mm long, 168mm wide
  • Each petri takes approximately 100ml of resin to fill, 300ml for all three.
  • If you are using JESMONITE, each petri will take approximately 170g to fill, 500g for all three.
SILICONE MOULD Petri Art Coasters
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