The Global Diamond Polishing Paste and Suspension Market was valued at USD 116 Million in 2024 and is projected to reach USD 178 Million by 2031, growing at a Compound Annual Growth Rate (CAGR) of 6.2% during the forecast period (2024–2031). This expansion is driven by increasing demand from semiconductor fabrication, advanced optics manufacturing, and next-generation materials processing requiring nanometer-level surface finishes.

As industries evolve toward smaller component geometries and defect-free surfaces, diamond-based polishing solutions have become critical manufacturing enablers. This report profiles the Top 10 Diamond Polishing Paste and Suspension Companies—technological leaders and emerging specialists enabling precision across electronics, aerospace, and specialty materials sectors.

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🔟 1. Engis Corporation

Headquarters: Elk Grove Village, Illinois, USA
Key Offering: Hyprez® Diamond Pastes & Suspensions (0.1µm to 60µm)

Since 1941, Engis has pioneered precision polishing solutions, currently commanding the premium market segment with patented diamond formulations. The company specializes in semiconductor wafer processing, optical lens production, and technical ceramics applications requiring sub-micron surface finishes.

Core Technologies:

• Advanced diamond particle dispersion systems with ±5% size distribution
• Tailored carrier fluids for substrate-specific polishing requirements
• Proprietary cleaning systems for post-polish residue removal

Download FREE Sample Report: Diamond Polishing Paste and Suspension Market – View in Detailed Research Report

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9️⃣ 2. Saint-Gobain Surface Solutions

Headquarters: Paris, France
Key Offering: Diamant® and Norbide® abrasives

Leveraging its materials science expertise, Saint-Gobain delivers diamond suspensions meeting semiconductor industry purity standards, including ultra-fine 0.05µm formulations for silicon wafer polishing.

Core Technologies:

• Diamond surface treatments enhancing cutting efficiency
• Water-based and oil-based formulations for different polishing phases
• Low-defect slurries for advanced chip packaging

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8️⃣ 3. Lapmaster International

Headquarters: Mount Prospect, Illinois, USA
Key Offering: Integrated CMP slurry systems

Lapmaster combines equipment and consumables engineering to deliver complete planarization solutions for semiconductor manufacturers, featuring in-process monitoring and automated delivery.

Core Technologies:

• Closed-loop slurry management systems
• Multi-stage polishing solutions for compound semiconductors

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7️⃣ 4. Kemet International

Headquarters: Maidstone, United Kingdom
Key Offering: Kemet Diamond Compound series

Kemet’s oil-based diamond pastes serve as industry benchmarks for metallographic preparation, while their suspensions are widely adopted in material research laboratories globally.

Core Technologies:

• High-temperature stable formulations (300°C+)
• Slow-drying carriers for extended polishing cycles

Download FREE Sample Report: Diamond Polishing Paste and Suspension Market – View in Detailed Research Report

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6️⃣ 5. Iljin Diamond

Headquarters: Seoul, South Korea
Key Offering: Synthetic diamond polishing systems

As a major producer of synthetic diamonds, Iljin provides cost-efficient polishing solutions for Asian semiconductor and display manufacturers, with expanding capabilities in nanodiamond suspensions.

Core Technologies:

• Integrated diamond synthesis and product development
• Customized diamond particle morphology engineering

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5️⃣ 6. Fujimi Corporation

Headquarters: Aichi, Japan
Key Offering: Ultra-high purity diamond slurries

Fujimi supplies semiconductor-grade diamond suspensions essential for sub-7nm node processing, meeting rigorous purity requirements of leading foundries worldwide.

Core Technologies:

• 99.999% purity diamond abrasives
• Defect-minimizing formulations for 3D NAND and advanced packaging

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4️⃣ 7. Pureon AG

Headquarters: Dresden, Germany
Key Offering: MONODISP® precision diamond suspensions

Pureon’s patented classification technology delivers industry-leading particle size uniformity (±1% coefficient of variation), critical for optical surfaces requiring angstrom-level smoothness.

Core Technologies:

• Electrostatic size classification systems
• Surface charge stabilization for consistent performance

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3️⃣ 8. Asahi Diamond Industrial

Headquarters: Tokyo, Japan
Key Offering: Specialized metal alloy polishing pastes

Asahi develops high-performance polishing compounds for aerospace alloys and ceramic composites, featuring thermally conductive formulations that prevent workpiece damage.

Core Technologies:

• High-load polishing systems
• Temperature-controlled abrasive formulations

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2️⃣ 9. Hyperion Materials & Technologies

Headquarters: Worthington, Ohio, USA
Key Offering: Medical-grade diamond slurries

Hyperion develops biocompatible polishing systems for orthopedic implants and surgical instruments requiring ultra-smooth finishes free of contamination risks.

Core Technologies:

• Non-toxic, medical-approved carriers
• FDA-compliant manufacturing processes

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1️⃣ 10. Beijing Grish Hitech

Headquarters: Beijing, China
Key Offering: Cost-optimized diamond polishing systems

China’s foremost diamond abrasive manufacturer offers competitively priced products meeting international quality standards while investing heavily in R&D to advance its technological capabilities.

Core Technologies:

• Large-scale production infrastructure
• Complete diamond processing value chain integration

Get Full Report Here: Diamond Polishing Paste and Suspension Market – View in Detailed Research Report

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🔍 Market Outlook: Advancing Precision Surface Engineering

The diamond polishing materials sector is adapting to meet emerging manufacturing challenges as dimensional tolerances tighten and new substrate materials gain adoption across industries.

📈 Critical Industry Developments:

• Nanodiamond suspensions enabling angstrom-level surface finishes
• Smart polishing systems integrating real-time process analytics
• Eco-friendly formulations reducing environmental impact
• Specialized solutions for silicon carbide and gallium nitride processing

Get Full Report Here: Diamond Polishing Paste and Suspension Market – View in Detailed Research Report

The featured companies represent the technological vanguard in precision surface finishing, enabling advancements across semiconductor, optics, medical device, and advanced materials sectors through innovative abrasive solutions.