• SIL18
  • Total

    £ 4.99 inc. VAT

    £ 4.16 exc. VAT

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Product information


Quartz is added to mould mix (with plaster) to improve the mould's heat resistance.  It reduces the amount of cracking caused when firing glass casting moulds.

We recommend a mix of 1 part water, 1 part plaster and 1 part quartz.

Supplied in a 1.8kg handy Mixing Bucket

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