Feldspar are potassium, sodium, calcium, barium etc. of alkali metal or alkaline earth metal aluminum silicate minerals, with crystal structure.
The main ingredients are SiO2, Al2O3, K2O, Na2O, CaO etc. Potassium feldspar (K2O. Al2O3. 6SiO2) is also called Orthoclase.
,Animal feed supplement: source of magnesium ions for chickens, cattle and other animals. Construction: work as basic ingredient of oxychloride cements for flooring, wallboard, fiber board, and tile, paint and varnish.
Rubber compounds: work as filler, acid acceptor, pigment
ceramics, glass production, refractory etc. and act.
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