Nepheline Syenite First Use In Ceramics

Sibelco s nepheline syenite deposit is situated in the north of norway close to the alta fjord in the arctic circle and guarantees a reserve of over 80 years.

Nepheline syenite first use in ceramics. High fusibility that allows a reduction in the firing temperature of the ceramic body and reaches the required level of porosity. Quantity discounts are available. The main properties given to vitreous china body. Nepheline syenite petalite silica wollastonite tableware porcelain.

It also provides a source of unusual mineral specimens and rare earth elements ree extraction. Nepheline syenite 270 mesh. High fusibility that allows a reduction in the firing temperature of the ceramic body and reaches the required level of porosity. If the temperature decrease is significant this can also bring a further saving in natural gas consumption.

Over the years nepheline syenite has become preferred to feldspar as a source of alumina and alkalis for glass manufacture. It acts as a flux in ceramic bodies to. Besides that nepheline syenite is still utilized in the ceramic manufacturing since 1937 spence 1938 its mining is limited to few world class deposits in canada payne 1968 norway geis. Nepheline syenite petalite silica wollastonite tiles porcelain tiles.

Nepheline syenite is used in tableware as an alternative to feldspar. Because of its extremely low melting point and the high alumina content nepheline syenite is used as a ceramic flux. More silica needs to be added which will be a local material. Because nepheline syenite lacks quartz and is rich in feldspar and nepheline it is used in the manufacturing of glass and ceramics.

White firing colour for unglazed. Nepheline syenite 270 mesh. Nepheline syenite is a quartz free aluminium silicate consisting primarily of the minerals nepheline microcline and albite. Canada was the first country to develop the use of nepheline syenite as a raw material for glass ceramic and filler industries and was the world s only producer for many years.

Nepheline syenite provides geological clues to environment of formation. White firing colour for. Because of its high levels of sodium and potassium oxides and low levels of silica less nepheline syenite is needed in the ceramic recipe. Today spectrum is exported to customers around the world for use in a wide range of applications including ceramics coatings and plastics.