Feldspar Powder & Grains Manufacturers in India
What is Feldspar Powder & Grains?
Feldspar powder and grains refer to finely ground and granular forms of feldspar, a common mineral found in igneous, metamorphic, and sedimentary rocks. Feldspar is composed primarily of aluminum silicate minerals, including potassium, sodium, and calcium feldspar.
Feldspar powder is produced by grinding and pulverizing feldspar rocks into a fine particulate form. It is commonly used as a raw material in the manufacturing of glass, ceramics, and porcelain. Due to its high melting point and fluxing properties, feldspar powder is essential for lowering the melting temperature of glass and enhancing its transparency and durability.
Feldspar grains, on the other hand, are larger particles of feldspar minerals. These grains can vary in size from fine sand-like particles to larger gravel-sized pieces. Feldspar grains are commonly used in construction materials such as concrete and asphalt, where they serve as aggregates or fillers to improve strength, stability, and workability.
Specifications
| Silica | SiO2 | 68% (+/- 1%) |
| Alumina | Al2O3 | 18% (+/- 1%) |
| Ferric Oxide | Fe2O3 | 0.07% |
| Titanium Oxide | TiO2 | Nil |
| Sodium Oxide | Na2O | 3% (+/- 0.5%) |
| Potassium Oxide | K2O | 10.5% (+/- 1%) |
| Magnesium Oxide | MgO | 0.1% |
| Calcium Oxide | CaO | 0.05% |
| Loss on Ignition | LOI | 0.01% |
| Firing Result | Milky | |
| Visual Apperance | White |
Applications and Uses of Feldspar Powder & Grains
Ceramic Tiles
Glass Industries
Cement
Rubber Industries
Chemical Industries
Paint Industries
Properties of Feldspar Powder & Grains:-
1. Chemical Composition: Feldspar powder and grains are primarily composed of aluminum silicates with varying proportions of potassium, sodium, and calcium ions.
2. Color and Texture: They come in a variety of colors including white, pink, grey, and brown, and typically have a fine to medium grain texture.
3. Hardness: Feldspar ranks around 6 on the Mohs scale of hardness, making it a moderately hard mineral.
4. Alkali Content: Feldspar contains alkali metals such as potassium and sodium, which contribute to its ability to lower the melting temperature of ceramics and glass.
5. Insolubility: It is insoluble in water and does not readily react with most acids or bases under normal conditions.
6. Glass and Ceramics: Feldspar is a crucial ingredient in the manufacture of glass and ceramics, where it serves as a flux to lower the melting point of the raw materials and improve the vitrification process.
7. Abrasive Properties: Due to its hardness, feldspar is used as an abrasive material in various industries, including in the production of abrasives for polishing and grinding applications.
8. Soil Amendment: Feldspar can be ground into a powder and used as a soil amendment to improve soil structure, drainage, and fertility in agriculture.
9. Potassium Source: Certain types of feldspar, such as potassium feldspar, are a significant source of potassium for fertilizer production, contributing to plant growth and crop yield.
10. Decorative Stones: Some varieties of feldspar, particularly those with vibrant colors and unique patterns, are used as decorative stones in jewelry, sculpture, and architectural applications.