The Global Polycrystalline Diamond Slurry Market was valued at USD 198.5 Million in 2024 and is projected to reach USD 298.2 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 6.8% during the forecast period (2024–2030). This growth is being driven by surging demand for precision components in electronics, optics, and advanced materials, alongside the critical role of PCD slurries in achieving ultra-smooth, defect-free surfaces.

As high-performance manufacturing industries push the boundaries of miniaturization and quality, the focus intensifies on the material science specialists who provide the essential abrasives for precision polishing and fine grinding. In this blog, we profile the Top 10 Companies in the Polycrystalline Diamond Slurry Industry—a collection of global leaders and specialized innovators shaping the future of surface finishing technology.

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🔟 1. Engis Corporation

Headquarters: Wheeling, Illinois, USA
Key Offering: Hyprez® Diamond Slurries, Lapping & Polishing Equipment

Engis Corporation, a member of the Noritake Group, is a global frontrunner in hyper-precision finishing technologies. Its Hyprez® brand of polycrystalline diamond slurries is renowned for high material removal rates and superior final surface finishes, serving demanding sectors like semiconductor manufacturing and optical component production.

Innovation Initiatives:

• Development of next-generation diamond abrasives with enhanced stability and dispersion.

• Integrated solutions combining slurries with proprietary lapping and polishing machines.

• Focus on customized slurry formulations for advanced materials like silicon carbide and gallium nitride.

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9️⃣ 2. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: Diamant Boart PCD Slurries, Borazon CBN Abrasives

Saint-Gobain’s Abrasives division leverages its deep material science expertise to produce high-performance diamond slurries. The company caters to a broad industrial base, providing solutions for precision grinding of hard metals, ceramics, and composites used in aerospace and automotive applications.

Innovation Initiatives:

• R&D focused on slurry formulations for difficult-to-machine materials.

• Global supply chain optimization to serve multinational manufacturers.

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Polycrystalline Diamond Slurry Market – View in Detailed Research Report

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8️⃣ 3. Kemet International Limited

Headquarters: Maidstone, Kent, United Kingdom
Key Offering: Diamond and CBN Slurries, Precision Lapping Compounds

Kemet International is a specialist in precision polishing systems, offering a comprehensive range of diamond slurries known for their consistency and purity. The company provides complete process solutions, including slurries, equipment, and accessories, primarily for the metallographic sample preparation and electronics markets.

Innovation Initiatives:

• Investments in automated slurry dispensing and mixing systems for repeatable results.

• Development of water-based and oil-based formulations for diverse application needs.

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7️⃣ 4. Fujimi Corporation

Headquarters: Kakogawa, Hyogo, Japan
Key Offering: AeroPlan™ Series Slurries, Semiconductor-grade Abrasives

Fujimi Corporation is a leading Japanese manufacturer of precision abrasives, with a strong focus on the semiconductor industry. Its polycrystalline diamond slurries are engineered for critical chemical mechanical planarization (CMP) and dicing applications, ensuring high yields and superior wafer surface quality.

Innovation Initiatives:

• Pioneering ultra-fine, mono-dispersed diamond particles for nanometer-level polishing.

• Strong collaborations with leading semiconductor fabrication plants (fabs) in Asia and the US.

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6️⃣ 5. Asahi Diamond Industrial Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: PCD Slurries, Diamond Saw Blades, Core Drills

Asahi Diamond is a major global player in diamond tools and abrasives. Its slurry division benefits from the company’s vertically integrated control over diamond grit production, ensuring high-quality raw materials for consistent slurry performance in construction, stone processing, and precision engineering.

Innovation Initiatives:

• Leveraging in-house diamond synthesis capabilities for tailored abrasive properties.

• Expansion of product lines for the growing electric vehicle battery component market.

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5️⃣ 6. MicroDiamant

Headquarters: Lengwil, Switzerland
Key Offering: MICRON+ Diamond Suspensions, MD-Logo Lapping Plates

MicroDiamant specializes in high-precision diamond and CBN suspensions for lapping, polishing, and fine-grinding. The Swiss company is recognized for its rigorous quality control, producing slurries with extremely tight particle size distributions that are essential for applications in watchmaking, medical devices, and optics.

Innovation Initiatives:

• Focus on long-lasting suspension stability to prevent particle agglomeration.

• Expertise in manufacturing slurries with diamond sizes from 0.1 µm to 60 µm.

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4️⃣ 7. Iljin Diamond Co., Ltd.

Headquarters: Seoul, South Korea
Key Offering: Diamond Powders, PCD Slurries, Wire Saw Beads

Iljin Diamond is a key South Korean supplier of synthetic diamond materials. The company produces polycrystalline diamond slurries used predominantly in the solar and LED industries for slicing and polishing silicon wafers and sapphire substrates, leveraging its strong position in the Asian market.

Innovation Initiatives:

• Development of slurries optimized for diamond wire sawing technology.

• R&D into slurries for next-generation wide-bandgap semiconductors.

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3️⃣ 8. Beijing Grish Hitech Co., Ltd.

Headquarters: Beijing, China
Key Offering: Nano-diamond Slurries, Diamond Lapping Paste

Beijing Grish Hitech is a prominent Chinese manufacturer focused on nano-materials and super-hard abrasives. The company supplies a wide range of PCD slurries to the domestic market, supporting China’s rapidly expanding electronics, precision optics, and advanced ceramics industries.

Innovation Initiatives:

• Significant investment in nanotechnology for producing sub-micron diamond abrasives.

• Strategic focus on import substitution and serving local manufacturing giants.

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Polycrystalline Diamond Slurry Market – View in Detailed Research Report

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2️⃣ 9. Lapmaster International (A Bodycote Company)

Headquarters: Bensenville, Illinois, USA
Key Offering: Lapmaster Diamond Compounds, Lapping Machines

Lapmaster International is a globally recognized provider of precision flat surface finishing solutions. The company offers a full suite of diamond slurries and compounds designed to work seamlessly with its lapping and polishing equipment, serving industries from automotive to medical implants.

Innovation Initiatives:

• Development of application-specific slurry formulations for improved process efficiency.

• Global service and technical support network for integrated finishing solutions.

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1️⃣ 10. ITW (Buehler)

Headquarters: Lake Bluff, Illinois, USA
Key Offering: MetaDi® Diamond Suspensions, Materials Preparation Consumables

Buehler, a division of Illinois Tool Works (ITW), is a world leader in materialographic equipment and supplies. Its MetaDi® line of premium diamond suspensions is the industry standard for consistent and reliable sample preparation in metallurgy, geology, and industrial quality control laboratories worldwide.

Innovation Initiatives:

• Continuous improvement of suspension formulations for scratch-free surfaces.

• Integration of slurries with automated preparation systems for high-throughput labs.

Get Full Report Here:
Polycrystalline Diamond Slurry Market – View in Detailed Research Report

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🔮 Outlook: The Future of Polycrystalline Diamond Slurry is Hyper-Precise and Application-Specific

The polycrystalline diamond slurry market is undergoing a significant transformation. While standard formulations continue to serve broad industrial needs, the industry is increasingly investing in tailored solutions, nanoparticle technology, and sustainable production methods to meet the exacting demands of next-generation manufacturing.

📈 Key Trends Shaping the Market:

• Rising demand for <1 µm and nano-diamond slurries for semiconductor and optoelectronics manufacturing.

• Growing adoption of diamond slurries in electric vehicle battery component processing.

• Increased focus on slurry recycling and closed-loop systems to reduce waste and cost.

• Development of bio-based and environmentally friendly carrier fluids.

Get Full Report Here:
Polycrystalline Diamond Slurry Market – View in Detailed Research Report

The companies listed above are not only supplying critical consumables—they are enabling the precision and performance that underpin modern technology and innovation.