Feldspar Mineral

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MOQ : 1 Ton

Feldspar Mineral Specification

Melting Point
1100C - 1500C

Usage & Applications
Widely used in ceramics, glass, enamels, abrasives, fillers, and as flux in manufacturing

Water Absorption
Very low

Form
Solid (available in lumps, powder, and grain)

Purity(%)
>95%

Density
2.76 Gram per cubic centimeter(g/cm3)

Application
Ceramics, Glass, Pottery, Tiles, Sanitary Ware, Paint, Plastics, Rubber, Electrical Insulators

Chemical Composition
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8 (Potassium, Sodium, Calcium Alumino-silicates)

Surface Finish
Smooth

Hardness (%)
6 - 6.5 (Mohs scale)

Product Type
Mineral

Types of Refractories
Alumino Silicate refractories

Shape
Lumps, grains, powder

Porosity
Low

Dimensional Stability
Excellent

Strength
High mechanical strength

Specific Gravity
2.55 - 2.76

Thermal Conductivity
Low

Color
White to off-white, greyish

pH
6.7 - 7.0 (neutral)

Loss on Ignition
0.5% - 1.5%

Refractive Index
1.518 - 1.526

Alkali Content
8% - 13% K2O + Na2O (combined)

Packaging
25 kg / 50 kg bags or jumbo bags

Whiteness
Above 70% (as per industry standard)

Oil Absorption
22-25% (for powder)

Moisture Content
<0.5%

Bulk Density
1.2 - 1.6 g/cm3 (for powder forms)

Grain Size
Customized (as per user requirement)

About Feldspar Mineral

We provide optimum quality Feldspar Mineral to our esteemed clients. Our product is free from any adulteration with foreign material and is widely known for its accurate composition, utmost quality, efficient performance and adequate chemical properties. Our offered product is processed using pure compounds, latest machines and advanced techniques as per the international standards and is available in varied packaging to meet our clients specific requirements at market leading prices.

Superior Physical and Chemical Properties

Feldspar stands out for its high purity, neutral pH, low oil absorption, and excellent bulk density. Its chemical composition-potassium, sodium, and calcium alumino-silicates-ensures stability and adaptability for varied industrial applications. The mineral's smooth surface, low porosity, and very low water absorption further enhance its suitability in manufacturing processes demanding consistency and quality.

Customizable Grain Size for Diverse Applications

Grain size customization allows Feldspar to meet exact user requirements, whether for powder, grains, or lumps. This flexibility is essential for manufacturers in ceramics, glass, rubber, and plastics industries. Offering a particle size tailored to each application ensures optimal performance, blends, and surface finishes, thereby supporting innovative product development and process efficiency.

FAQ's of Feldspar Mineral:

Q: How is Feldspar used in the ceramics and glass industries?

A: Feldspar acts as a flux in ceramics and glass manufacturing, lowering melting points and aiding in the formation of glassy phases. Its high whiteness and controlled granulometry provide strength, finish, and consistent color to tiles, sanitary ware, pottery, and glass products.

Q: What benefits does Feldspar offer in industrial applications?

A: Feldspar's high mechanical strength, excellent dimensional stability, low porosity, and high purity make it ideal for producing durable and aesthetically pleasing ceramics, tiles, glass, paints, plastics, and rubber. Its low oil and water absorption further enhance process efficiency and quality.

Q: When should I choose customized grain size Feldspar?

A: Customized grain size Feldspar should be selected when particular particle distributions are necessary for specific manufacturing processes, such as uniform glazing in ceramics, smooth finishes in plastics, or optimized filler properties in paints and rubber.

Q: What is the typical packing and moisture content for Feldspar supplied by manufacturers in India?

A: Feldspar is usually packed in 25 kg or 50 kg bags, or jumbo bags for bulk handling. The moisture content is maintained below 0.5%, ensuring a dry, free-flowing product suitable for immediate industrial use.

Q: Where does Feldspar derive its whiteness and strength from?

A: Feldspar's whiteness (above 70%) and strength (Mohs hardness 6-6.5) are attributed to its high chemical purity and alumino-silicate structure. This makes it highly suitable for products demanding a clean appearance and mechanical durability.

Q: How is the purity and alkali content of Feldspar relevant for industrial users?

A: With over 95% purity and 8-13% combined K2O+Na2O alkali content, Feldspar enhances vitrification, fluxing, and the final product's density and strength, crucial for ceramics, glass, and refractory products.

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