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The Nepheline Syenite, 270 mesh, in Bulk is a white to light grey igneous rock.
It is available in a 50-lb container.
Nepheline syenite, also known as Neph Sy, is used to replace feldspar in the manufacture of ceramic and glass products.Nepheline syenite is a low silica, high soda and high alumina mineral.
It is chemically similar to a soda feldspar, but far more chemically complex.
It is a popular flux because of its high soda.
It has desirable properties at high temperature, like the ability to lower the fusing temperature of normally high-temper claybodies, including porcelain.
It strengthens glass, owing to its high alumina content.
Nepheline syenite reduces crazing when added to clay, but increases crazing when added to glass.
Note: Bulk items are intended for customers local to our Sparks, NV, warehouse. BigCeramicStore.com will ship bulk orders, but we will charge a $5 surcharge, in addition to posted shipping fees. Please contact us for pricing if you are interested in buying chemicals by the half-ton or ton.
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