FELDSPAR (POTASH / SODA)

Chemical Formula

Potash Feldspar: KAlSi₃O₈
Soda Feldspar (Albite): NaAlSi₃O₈

Supply Capacity

Bulk supply available throughout the year.

 Domestic Supply
 Export Bulk Shipments
 Full Container Load (FCL)
 Customized Orders Accepted


Forms Available

Feldspar Lumps

Size

20–40 mm
30–80 mm
40–80 mm
50–100 mm
100–200 mm

Feldspar Powder

Mesh Size Approx. Micron

100 Mesh 150 μm
200 Mesh 75 μm
300 Mesh 45 μm
325 Mesh 44 μm
400 Mesh 38 μm
500 Mesh 25 μm

Custom particle sizes available as per customer requirements

Grade A – Potash Feldspar (Glass Grade)

Typical COA

Parameter & Specification

SiO₂ 64–69%
Al₂O₃ 17–19%
K₂O 10–13%
Na₂O 2–4%
Fe₂O₃ ≤0.15%
CaO ≤0.50%
MgO ≤0.30%

Industries

 Float Glass
 Container Glass
 Crystal Glass
 Glass Wool
 Specialty Glass

Grade B – Potash Feldspar (Ceramic Grade)

Typical COA

Parameter & Specification

SiO₂ 64–68%
Al₂O₃ 17–19%
K₂O 9–12%
Na₂O 2–4%
Fe₂O₃ ≤0.20%

Industries

 Ceramic Tiles
 Sanitary Ware
 Porcelain
 Tableware
 Ceramic Glazes

Grade C – Soda Feldspar (Glass Grade)

Typical COA

Parameter & Specification

SiO₂ 67–70%
Al₂O₃ 18–20%
Na₂O 7–11%
K₂O ≤3.00%
Fe₂O₃ ≤0.15%
CaO ≤1.00%

Industries

 Float Glass
 Sheet Glass
 Fiberglass
 Container Glass
 Insulation Glass

Grade D – Soda Feldspar (Ceramic Grade)

Typical COA

Parameter & Specification

SiO₂ 67–69%
Al₂O₃ 18–20%
Na₂O 6–10%
K₂O ≤3.50%
Fe₂O₃ ≤0.20%

Industries

 Vitrified Tiles
 Wall Tiles
 Floor Tiles
 Sanitary Ware
 Ceramic Bodies
 Ceramic Glazes

Grade E – Mixed Feldspar

Typical COA

Parameter Specification

SiO₂ 65–69%
Al₂O₃ 17–19%
K₂O + Na₂O 10–15%
Fe₂O₃ ≤0.30%
CaO ≤1.00%

Industries

 Ceramic Industry
 White Cement
 Glaze Manufacturing
 Refractory Products
 Enamel Industry