Concave Square Coaster Mould

Concave Square Coaster Mould

Stock Status: In Stock
Perfect for petri art
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This flat Concave Square is a new twist on the classic square coaster design. The concave shape is perfect to add some more funk to your coffee table! Try combing multiple colours and using some Resi-blast to create beautiful cells in your design and style your own unique set of coasters. Perfect for a gift!

Dimensions: 120mm x 70mm x 6mm depth.
This mould takes approximately 50ml of resin to fill. 

We recommend using a clear layer of heat-resistant resin first in your mould, letting that set and then adding more resin with colour, ink, glitter, etc. This helps to boost the heat-resistancy of the resin. Remember too that our heat-resistant resin needs at least 7 days to achieve full cure.

Our silicone moulds can be re-used time and again providing they are looked after well. Keep it in the bag it comes to you in, don't use a flame near the mould (use a heat gun instead) and be careful when de-moulding - try not to scratch the mould with long nails or bend it out of shape too much. 

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.
  • Product Code:
  • Shape:
  • Size:
    120mm x 70mm x 6mm
  • Material:
    Silicone Mould
  • Type: