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The L4410P cone 04 body (Plainsman Snow), although high in Dolomite has proven to be very resilient, but not just in physical strength. This was developed as an alternative to talc bodies. This tile has not spalled despite cycling it three times through an hours-long water immersion then a week-long freezer stay. The mug has cracked after four years of storage on a shelf in our lab (but it has 60% dolomite vs. Snow's 40%). If the percentage of dolomite (or calcium carbonate) is too high, cracks like this can develop as the dolomite hydrates. For use in pottery, these can be avoided by treating pieces with a silicone sealant.
| Materials |
Dolomite
An inexpensive source of MgO and CaO for ceramic glazes, also a highly refractory material when fired in the absence of reactant fluxes. |
| Projects |
Better porosity for Brown Sugar Savers
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