Feldspar Stone

• Application
• Ceramics, Glass, Porcelain, Refractories, Tiles manufacturing

• Chemical Composition
• K2O: 11-14%, Na2O: 2-4%, Al2O3: 16-18%, SiO2: 65-69%

• Color
• Light pink to off white

• Density
• 2.63 Gram per cubic centimeter(g/cm3)

• Dimensional Stability
• Other, Excellent under high temperature

• Form
• Lump, rock, crushed

• Hardness (%)
• Mohs scale: 6-6.5

• Melting Point
• 1150C - 1250C

• Porosity
• Low to medium

• Product Type
• Other, Natural mineral stone

• Purity(%)
• 87-98%

• Shape
• Other, Stone/rock/granule

• Specific Gravity
• 2.55 - 2.63

• Strength
• High compressive strength

• Surface Finish
• Rough, natural

• Thermal Conductivity
• Low

• Types of Refractories
• Other, Alumino-silicate refractories

• Usage & Applications
• Used in ceramic and glass industries, as a flux in tile manufacturing and as an important ingredient in abrasives

• Water Absorption
• <0.2%

• Application
• Ceramic industry, glass making, tiles, sanitary ware, flux in welding electrodes

• Chemical Composition
• K2O.Al2O3.6SiO2 (Potassium Feldspar), Na2O.Al2O3.6SiO2 (Sodium Feldspar)

• Color
• Off white to light pink

• Density
• 2.75 Gram per cubic centimeter(g/cm3)

• Dimensional Stability
• Other, Excellent at elevated temperatures

• Form
• Solid, rough stone

• Hardness (%)
• 6 - 6.5 Mohs

• Melting Point
• >1100C

• Porosity
• Low to moderate

• Product Type
• Other, Mineral / Stone

• Purity(%)
• >95%

• Shape
• Other, Lumps, chips, or grains

• Specific Gravity
• 2.55 - 2.76

• Strength
• High mechanical strength

• Surface Finish
• Natural

• Thermal Conductivity
• Low

• Types of Refractories
• Other, Alumino-Silicate refractory material

• Usage & Applications
• Widely used in ceramics, glass, abrasives, fillers, and some specialty industrial uses

• Water Absorption
• Less than 1%