feldspar different grade, different analysis ( Ca or Na or K or NaK feldspar )
any size from 45 micron up to any mm, as crushed rock or milled
in big bag or bulk on ship , FOB or CIF alexandria or suez port
please inform us with your need , specification , analysis , size , quantity , packing to prepare our offer
Feldspar minerals potassium, aluminosilicates. Their ores are commonly associated with quartz.
we have Nak feldspar, k feldspar 1st and 2nd grade.
we can reach up to 45 micron milled feldspar with magnetic separation.
Uses of feldspar group:
Feldspar use in several industries like
1- glass industry: by percent 10-15% from the formula that chemical balance happen Feldspar is used mainly as a source of alumina, which improves both the workability of the glass melt and the chemical and physical stability of the finished product. It also provides the alkaline oxides (Na2O, K2O) that provide fluxing in partial substitution for calcium oxide, which improves chemical resistance,
2- ceramic, porcelain and pottery: as flux to accelerate the melting operation that feldspar melt in lower temperature than the other materials in the formula so can enter to the chemical and physical reaction during melting.
3- other uses: as scraping off material,
4- filler material in plastic,
5- rubber,
6- painting industry.
7- know as electric isolator,
8- dental,
9- a flux in welding electrodes,
10- adhesives,
11- coatings.
12- In filler applications it offers low vehicle demand, high dry brightness with low tint strength, and resistance to abrasion and chemical degradation. In coatings it also provides good film durability and high resistance to chalking and frosting.
13- Some intergrowths of orthoclase and albite have an attractive pale lustre and are called moonstone when used in jewellery. Most moonstones are translucent and white, although grey and peach-colored varieties also occur. In gemology
Al2O3 | Fe2O3 | TiO2 | CaO | MgO | K2O | Na2O | P.F. 1100°C |
17.1 | 0.044 | <0,01 | 0.08 | 0.05 | 12.4 | 1.77 | 0.4 |