• High alumina and alkali content

• High potassium content

• Low iron content

• Chemical inertness

• PH stable

• Hardness (6-6.5 on Mohs scale)

A feldspar is typically referred to as 'potash feldspar’ if there is significantly more potassium than sodium. Potassium feldspar melts at around 1200C (higher than soda feldspar) producing more a viscous melt than does sodium feldspar. It can also produce a crystalline phase (leucite) that contributes to opacity. Thus, potash feldspars are often used more in industry for matte glazes while soda feldspar is used for glossy glazes.

We are key supplier of high purity Feldspar in a variety of particle sizes, from coarse abrasives and scouring cleansers to fine polishing compounds for silver, glass, or cookware adhering to strict quality procedures and consistent specifications to ensure that our products perform to our customers’ high standards.

APPLICATIONS:

• CERAMICS

Feldspars are minerals of varying composition commonly used by potters. These are the main vitrifying or fluxing agent used during the firing process of ceramic bodies. Feldspars with low levels of colored oxides are particularly prized for white tableware and sanitaryware production .
The presence of potash feldspar in a glaze or clay body has a more refractory effect on the ceramic surface compared to equivalent amounts of soda feldspar. They improve the strength, toughness, and durability of the ceramic body, promote colour brilliance and luster at most firing temperatures, and encourage specific colour results.

• GLASSMAKING

In glassmaking, Our potash feldspars are excellent fluxing agents for flat and container glass, as well as for insulation wools. Feldspar is an excellent source of alumina which improves end product hardness, durability, and resistance to chemical corrosion.

• FILLERS

Feldspar is extensively used in extenders and fillers in paints, rubber and plastics. It possess good dispersability, high chemical inertness, stable pH, high resistance to abrasion, low viscosity at high filler loading, interesting refractive index and resistance to frosting.

• OTHER USES

Fertilizer & petrochemical industries
Welding electrodes
Furnace & Foundries