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Cornish Stone 25kg
[1420-S]

SiO2 AI2O3 CaO MgO K2O Na2O TiO2 Fe2O3.
(2kg-5kg-25kg)

NOTE! This product can only be purchased by customers with an organization number!

Cornish Stone is a type of low iron feldspar that contains equal amounts of chalk, sodium and Potassium Oxide, but with a higher SiO2 than other types of feldspar. It is primarily used as a flux in clay bodies and glazes.