Factory Supply High Quality K and Na Feldspar Powder Feldspar for Ceramics Enamel Electric Porcelain Blanks

Product Description

Feldspar is an aluminosilicate mineral composed of potassium, sodium, calcium, barium and other alkali metals or alkaline earth metals. Its main components are SiO2, Al2O3, K2O, Na2O, CaO and so on. It is one of the important rock-forming minerals. According to its chemical composition, feldspar can be divided into:
(1) potassium feldspar (orthoclase), the molecular formula is K2O·Al2O3·6SiO2
(2) albite (caofeldspar), the molecular formula is Na2O·Al2O3·6SiO2
(3) calcium feldspar (grey feldspar), the molecular formula is CaO·Al2O3·2SiO2
(4) barium feldspar (heavy earth feldspar), the molecular formula is BaO·Al2O3·2SiO2
Chemical:
SiO2:67%, Al2O3:16%, P+S>0.05%, K2O+Na2O >13% (up to 18%)
In general, pure feldspar rarely exists in nature. Even in the mineral known as "potassium feldspar", there may be some albite associated with it or mixed with it. Generally the potassium feldspar powder and albite composition of feldspar minerals known as alkali feldspar; The feldspar mineral composed of albite and calcium feldspar is called plagioclase; The feldspar mineral composed of calcium feldspar and barium feldspar is called alkaline earth feldspar. Potassium micro plagioclase is a kind of potassium feldspar whose crystal system is triplagioclase. When albite is mixed in potassium feldspar in the form of regular arrangement, it is called striped feldspar.
Feldspar powder is mainly composed of SiO2, Al2O3, K2O, Na2O, CaO, according to the number of mesh, whiteness and iron content and other parameters of the different. Feldspar powder can be used for the following purpose
Application: Glass and glass products: alkali feldspar as the raw material of flat glass and various glass products, can reduce the melting temperature of glass, save soda;As glass fiber material, albite can improve the quality and replace pyrophyllite. Ceramics: feldspar powder can be used as the main raw material of various ceramics, enamel, electric porcelain blanks and glazes. Cement: feldspar powder is the main raw material for white cement. 4. Chemical industry: potassium feldspar is one of the raw materials for the production of potash fertilizer; It is also a filling material for latex, coating ethyl carbamate and propylene.
5. Other: feldspar can be used as papermaking, coating, welding rod and other filler, abrasive abrasives and refractory raw materials.

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