Minerals Used for Friction & Automotive Applications

The friction and automotive industries require specialized minerals to enhance durability, heat resistance, wear resistance, and mechanical strength. These minerals are used in brake pads, clutch facings, gaskets, and automotive coatings to improve performance and longevity.

At Ashok Minerals, we supply high-quality Talc, Calcium Carbonate, Lime, Kaolin, Quartz, Feldspar, Barytes, Graphite, Iron Oxides, Carbonaceous Products, and Mica—ensuring superior material solutions for the friction and automotive sectors. Below is a breakdown of each mineral’s chemical properties, uses, and role in automotive applications.

1. Talc

Chemical Properties

• Chemical Formula: Mg₃Si₄O₁₀(OH)₂
• Hydrophobic, chemically inert, and platy in structure.
• High thermal stability and resistance to friction wear.

Uses in Friction & Automotive Applications

• Used in brake linings and clutch facings to enhance wear resistance.
• Improves thermal stability and reduces noise in friction materials.
• Acts as a reinforcing filler in automotive plastics and coatings.

At Ashok Minerals, we supply high-purity talc that improves friction resistance, stability, and processing efficiency in automotive components.

2. Calcium Carbonate (Calcite) – Precipitated, Coated, and Ground

Chemical Properties

• Chemical Formula: CaCO₃
• High brightness, fine particle size, and excellent dispersion properties.
• Enhances mechanical strength and impact resistance.

Uses in Friction & Automotive Applications

• Acts as a reinforcing agent in brake pads and gaskets.
• Improves mechanical properties and cost efficiency in friction materials.
• Used in automotive coatings for brightness and smooth finish.

At Ashok Minerals, we supply PCC, GCC, and Coated Calcium Carbonate for friction materials and automotive components.

3. Lime – Hydrated Lime / Quick Lime / Slaked Lime

Chemical Properties

• Chemical Formula: Ca(OH)₂ (Hydrated Lime), CaO (Quick Lime)
• High alkalinity and reactivity.
• Improves thermal resistance and chemical durability.

Uses in Friction & Automotive Applications

• Used in brake lining formulations for thermal stability.
• Enhances bonding strength in friction materials.
• Acts as a processing aid in rubber-based automotive parts.

Ashok Minerals supplies high-purity Lime, ensuring superior performance in friction and automotive applications.

4. Hydrous China Clay / Kaolin

Chemical Properties

• Chemical Formula: Al₂Si₂O₅(OH)₄
• High brightness, chemically inert, and excellent dispersion properties.

Uses in Friction & Automotive Applications

• Used in brake pads and clutch materials for heat resistance.
• Enhances mechanical reinforcement in friction components.
• Acts as a functional filler in automotive paints and coatings.

At Ashok Minerals, we provide high-quality Kaolin that enhances durability and processing efficiency in friction and automotive materials.

5. Calcined Kaolin (China Clay)

Chemical Properties

• Chemical Formula: Al₂Si₂O₅(OH)₄
• High refractive index and thermal resistance.

Uses in Friction & Automotive Applications

• Improves heat resistance in brake pads and linings.
• Used in automotive coatings for opacity and durability.

Ashok Minerals supplies high-purity Calcined Kaolin, ensuring better performance in high-friction and automotive applications.

6. Quartz / Silica

Chemical Properties

• Chemical Formula: SiO₂
• High hardness and excellent thermal resistance.

Uses in Friction & Automotive Applications

• Enhances abrasion resistance in brake pads and clutch plates.
• Used in anti-skid coatings for automotive surfaces.

7. Feldspar – Potassium Feldspar & Sodium Feldspar

Chemical Properties

• Chemical Formula: KAlSi₃O₈ (Potassium Feldspar), NaAlSi₃O₈ (Sodium Feldspar)
• High melting point and hardness.

Uses in Friction & Automotive Applications

• Improves thermal stability in brake linings.
• Acts as a fluxing agent in ceramic-based friction materials.

At Ashok Minerals, we supply high-quality Feldspar for high-performance friction applications.

8. Barytes (Barite)

Chemical Properties

• Chemical Formula: BaSO₄
• High density and excellent heat resistance.

Uses in Friction & Automotive Applications

• Enhances weight and wear resistance in brake pads.
• Acts as a functional filler in automotive coatings.

9. Graphite – Natural & Synthetic

Chemical Properties

• Chemical Formula: C
• High thermal conductivity and self-lubricating properties.

Uses in Friction & Automotive Applications

• Reduces friction and wear in brake linings.
• Improves thermal conductivity in friction materials.

At Ashok Minerals, we supply high-purity Natural and Synthetic Graphite, ensuring better heat dissipation and longevity in automotive applications.

10. Iron Oxides – Micaceous Iron Oxide, Red Iron Oxide, Yellow Iron Oxide

Chemical Properties

• Chemical Formula: Fe₂O₃ (Red), FeO(OH) (Yellow), Fe₂O₃ with lamellar structure (Micaceous Iron Oxide)
• High heat and corrosion resistance.

Uses in Friction & Automotive Applications

• Improves thermal stability in brake and clutch components.
• Used in automotive coatings for anti-corrosion properties.

11. Carbon & Other Carbonaceous Products – Calcined Petroleum Coke, Graphitized Petroleum Coke, Coke

Chemical Properties

• Chemical Formula: C
• High carbon content and excellent thermal stability.

Uses in Friction & Automotive Applications

• Used in brake pads for heat resistance and durability.
• Enhances mechanical properties in friction materials.

12. Mica

Chemical Properties

• Chemical Formula: KAl₂(AlSi₃O₁₀)(OH)₂
• High thermal and electrical insulation properties.

Uses in Friction & Automotive Applications

• Enhances thermal stability and reduces noise in brake pads.
• Acts as a lubricant in automotive friction materials.

At Ashok Minerals, we supply high-quality Mica, ensuring long-lasting performance in automotive and friction-based applications.

Frequently Asked Questions (FAQs)

1. Why are mineral fillers important in brake pads and clutch facings?

They enhance thermal stability, wear resistance, and durability in friction materials.

2. What role does Graphite play in brake linings?

Graphite reduces friction, heat buildup, and wear, improving performance and longevity.

3. How does Iron Oxide benefit automotive coatings?

Iron Oxides improve corrosion resistance and thermal protection, making them ideal for automotive paints.

For high-quality Talc, Calcium Carbonate, Lime, Kaolin, Quartz, Feldspar, Barytes, Graphite, Iron Oxides, Carbonaceous Products, and Mica, Ashok Minerals is a trusted supplier for friction and automotive applications.

🔗 Explore our full range at ashokminerals.com (http://ashokminerals.com/)