Types of Feldspar:
BENEFITS
Potassium feldspar is valued for its high alkali content and low iron contamination, making it ideal for ceramics and glass production. Its ability to lower melting temperatures improves energy efficiency in kilns and furnaces, while enhancing the strength, hardness, and translucency of finished products. Its purity also contributes to the brightness and smooth finish of tiles, sanitaryware, and glass items.
FEATURES
K-feldspar is characterized by its stable composition and fine particle size, ensuring uniform melting and integration in firing processes. Its low iron oxide content reduces the risk of discoloration in white ceramics and glass, enabling manufacturers to meet aesthetic and performance standards without compromise.
BENEFITS
Sodium feldspar offers superior fluxing properties and enhances vitrification, making it especially useful in the manufacture of glazes, tableware, and glass fibers. It enables smooth melt formation at relatively low temperatures, which improves production efficiency and reduces fuel costs. Its moderate refractoriness and ability to improve thermal shock resistance make it suitable for technical ceramics as well.
FEATURES
Na-feldspar provides a consistent chemical profile and excellent workability in slurry and dry formulations. Its controlled particle size distribution contributes to homogeneous mixing and improved structural integrity in the final product. Its versatility supports various glaze effects and surface finishes, particularly in the decorative ceramics industry.
Applications of Feldspar
Feldspar is used across multiple sectors, including ceramics, glassmaking, fillers, coatings, abrasives, and even welding electrodes. It acts as a flux to reduce melting temperatures in glass and ceramics, enhances durability and smoothness in tiles and sanitaryware, and serves as a functional filler in paints and plastics. ALFA guarantees dependable supply and quality control, ensuring feldspar that meets the technical and aesthetic requirements of each application.
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