Round sponge sagger trays made of rigid sponge ceramic that evenly distributes heat around the workpiece during firing. Thermal shock resistant with a zero coefficient of expansion to prevent cracking, these trays resist contamination and discoloration of porcelain. Designed to fit all standard round muffles, they require no pins or pegs when used with Thermoz tray liners or Glazing Pads. Each pack contains two 2-1/2 inch diameter round trays.
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Sorted by lowest price · Add now, sign in at checkout


Round sponge sagger trays made of rigid sponge ceramic that evenly distributes heat around the workpiece during firing. Thermal shock resistant with a zero coefficient of expansion to prevent cracking, these trays resist contamination and discoloration of porcelain. Designed to fit all standard round muffles, they require no pins or pegs when used with Thermoz tray liners or Glazing Pads. Each pack contains two 2-1/2 inch diameter round trays.
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