CORNWALL STONE

$5.00$180.00

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Raw Materials products less than a full bag (typically 50lb) will need to be
weighed out on a per order basis.

Local Customers: Plan ahead if you are shopping in-store at our Showroom - call your order in 24hrs in advance so we have time to prepare your weigh outs for you.

Cornwall stone is a low iron feldspar material used primarily as a flux in clay bodies and glazes. Is mined in the Cornwall area of the UK. It melts 1150-1300C. It has a more diversified selection of fluxes than other feldspars but also has one of the highest silica contents. By itself it does not melt as well as feldspars (melt flow begins around cone 11 oxidation). It is popular in engobes for its adhesive power during and after firing and in glazes for its low shrinkage and minimal contribution to defects. Source: Digitalfire.

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