Order Code	Product Name
L-11-02-M02	Diamond Lapping & Polishing Paste for Mining Laboratory Metallographic Specimen Finishing

Diamond Lapping & Polishing Paste for Metallographic Specimen Finishing

Brief Introduction

Diamond lapping and polishing paste is a high-precision abrasive consumable designed for ultra-fine surface finishing of high-hardness materials in mining and metallurgical laboratories. Formulated with imported high-grade single-crystal diamond micro-powders featuring narrow particle size distribution and uniform grain morphology, this polishing paste provides consistent material removal and repeatable finishing performance.

The diamond abrasive particles are evenly suspended in a high-performance paste carrier with stable self-lubricating properties, supporting multi-stage specimen refinement from coarse polishing to mirror-level finishing. With non-corrosive characteristics and easy application, it is compatible with standard metallographic preparation workflows and helps improve surface uniformity, testing consistency and laboratory processing efficiency.

Application Scope

This diamond polishing paste is widely used in mining laboratory sample preparation, metallographic testing and material structure evaluation workflows. It is suitable for finishing high-hardness specimens including cemented carbide, alloy steel and heat-treated tool steel, providing smooth surfaces for microscopic observation and material property analysis.

With complete particle size grades covering coarse lapping, precision polishing and ultra-fine mirror finishing, the paste supports diversified specimen preparation requirements for geological mineral analysis, metallurgical inspection, material research and industrial laboratory applications.

Features

Uniform Diamond Grain Distribution Ensures Testing Consistency

Manufactured with precisely classified single-crystal diamond micro-powders, the polishing paste provides consistent abrasive action through uniform grain morphology and controlled particle distribution. This stable grinding performance helps achieve smooth specimen surfaces with reduced irregular scratches, supporting repeatable metallographic observation and material evaluation.

Self-Lubricating Paste System Improves Operational Reliability

The diamond particles are evenly dispersed in a stable paste carrier with self-lubricating properties, helping maintain continuous polishing performance during specimen finishing. The non-corrosive and pollution-free formulation protects specimen surfaces and laboratory polishing accessories while supporting reliable long-term operation.

Complete Particle Size Grades Optimize Laboratory Workflow

Available particle sizes cover coarse grinding, fine polishing, precision finishing and mirror ultra-fine polishing stages. The complete grade selection simplifies multi-step specimen preparation procedures and improves daily laboratory finishing efficiency for mining and metallurgical applications.

Wide Accessory Compatibility Supports Standard Preparation Procedures

The polishing paste is compatible with commonly used laboratory polishing accessories including polishing cloths, cotton pads, wool grinding heads and polishing wheels. It integrates easily with manual and bench-type polishing workflows used for metallographic specimen preparation.

Durable Abrasive Performance Reduces Consumable Cost

High-grade diamond abrasive materials provide stable cutting performance and extended usability. The reliable finishing effect reduces specimen reprocessing caused by surface quality issues and helps laboratories improve overall consumable management efficiency.

Specification

• Product Name: Diamond Lapping & Polishing Paste

• Core Raw Material: Imported high-grade single-crystal diamond micro-powder with narrow particle size distribution

• Product Characteristics: Self-lubricating, high efficiency, non-corrosive, pollution-free, easy application

• Applicable Accessories: Polishing cloth, cotton pad, wool grinding head, polishing wheel

• Particle Size Grades & Application:

• W40 (320 mesh): Coarse grinding & polishing

• W28 (400 mesh), W20 (600 mesh), W14 (800 mesh), W10 (1000 mesh): Regular polishing

• W7 (1500 mesh), W5 (2000 mesh), W3.5 (3000 mesh), W2.5 (4000 mesh): Fine polishing

• W1.5 (6000 mesh), W1 (8000 mesh), W0.5 (10000 mesh): Mirror polishing

• W0.25 (12000 mesh): Ultra-fine mirror finishing

• Packaging Specifications: 5g/tube, 50g/box, 500g/box, 1000g/box

• Applicable Materials: Cemented carbide, metallographic specimens, molds, measuring tools, optical glass, ultra-hard ceramics and other high-hardness materials

Why Choose FKN PANDA

FKN PANDA supplies diamond lapping and polishing paste solutions designed for global mining laboratories, metallurgical testing institutions and material research facilities. Using classified single-crystal diamond micro-powders with uniform abrasive characteristics, our products provide stable polishing performance for high-hardness mineral and metal specimens.

With complete particle size coverage from coarse grinding to ultra-fine mirror finishing, self-lubricating performance and broad accessory compatibility, FKN PANDA polishing paste supports efficient multi-stage specimen preparation workflows. Reliable quality and flexible packaging options provide cost-effective consumable solutions for laboratory teams, technical users and distribution partners.

Diamond Polishing Paste – FAQ

Q1. How to select diamond polishing paste grit size for different ore hardness in mining laboratory sample preparation?

Selecting the appropriate diamond polishing paste grit size depends on ore hardness, mineral composition, sample condition, and the required surface quality for analysis. In mining laboratories, coarser diamond paste grades are typically used during early polishing stages to remove grinding marks, while finer grades are selected for achieving smoother surfaces before microscopic examination. A suitable grit progression helps maintain sample integrity throughout the preparation workflow from ore sectioning and grinding to mineral identification and metallurgical evaluation. Laboratories should consider sample characteristics, polishing equipment compatibility, and analytical requirements when establishing preparation procedures.

Q2. What factors should be considered when choosing diamond polishing paste for mineral sample preparation?

When choosing diamond polishing paste, laboratories should evaluate diamond particle size, carrier medium, compatibility with polishing cloths, sample material characteristics, and the intended analytical application. Mining and metallurgical samples may include ores, concentrates, and processed mineral products with different hardness levels, requiring appropriate polishing conditions. The selected paste should support controlled material removal while minimizing surface damage that may affect microscopic observation or microstructure analysis. For laboratory expansion, equipment replacement, or workflow optimization, compatibility with existing preparation procedures is an important consideration.

Q3. How does diamond paste particle size affect scratch removal efficiency during ore sample polishing?

Diamond paste particle size directly influences polishing performance and surface refinement. Larger diamond particles are generally applied during intermediate polishing stages where efficient scratch removal and material leveling are required. Smaller particle sizes are used for final polishing to improve surface smoothness and prepare samples for detailed microscopic or metallurgical examination. In mineral testing laboratories, selecting a suitable particle size sequence helps reduce preparation variation between samples and supports consistent observation of mineral structures, inclusions, and phase characteristics during analytical workflows.

Q4. What are the differences between oil-based and water-based diamond pastes for mining laboratory sample preparation?

Oil-based and water-based diamond pastes differ mainly in their carrier medium, cleaning requirements, and compatibility with specific polishing procedures. Oil-based formulations may provide different lubrication characteristics during polishing, while water-based formulations can be suitable for workflows where easier cleaning and water-compatible preparation methods are preferred. In mining laboratories, the choice should consider sample type, polishing cloth selection, equipment configuration, and subsequent analytical requirements. A suitable carrier medium helps maintain stable polishing conditions during preparation of geological samples, mineral sections, and metallurgical specimens.

Q5. How can diamond polishing paste improve consistency in ore microstructure analysis preparation?

Diamond polishing paste supports consistent sample preparation by providing controlled abrasive action during the final stages of metallographic and mineralogical preparation. A properly selected paste helps reduce surface scratches, improve polishing uniformity, and prepare samples for reliable microscopic examination. In mining laboratory workflows, consistent surface quality is important because uneven preparation may affect interpretation of mineral textures, particle boundaries, and microstructural features. Establishing standardized polishing procedures, including suitable grit progression and application methods, helps laboratories maintain repeatable preparation conditions across multiple samples.

Q6. How should laboratories select diamond paste grit progression based on ore sample characteristics?

Diamond paste grit progression should be determined according to sample hardness, mineral composition, previous grinding condition, and the final testing objective. Composite ore samples containing minerals with different hardness levels may require carefully controlled polishing stages to achieve a uniform surface without excessive material removal. In mineral processing and metallurgical laboratories, a structured progression from initial refinement to final polishing supports reliable microstructure evaluation. Laboratories should develop preparation procedures based on their sample types, analytical methods, and equipment capabilities to achieve consistent results during routine testing.

Q7. Which diamond polishing paste specifications are suitable for high-throughput mining laboratory operations?

For high-throughput mining laboratories, suitable diamond polishing paste specifications should match sample volume, polishing equipment, and required surface quality. Laboratories processing multiple mineral samples may require consistent abrasive performance and compatibility with established preparation workflows. Factors such as available grit range, carrier medium, storage conditions, and application method should be considered during procurement. Proper selection supports continuous sample preparation activities for mineral testing, metallurgical evaluation, and quality control programs while helping laboratory technicians maintain stable preparation procedures.

Q8. What compatibility requirements exist between diamond polishing paste and laboratory polishing cloths?

Compatibility between diamond polishing paste and polishing cloths is important for achieving stable preparation results. Laboratories should consider the polishing cloth material, surface characteristics, paste formulation, and intended preparation stage before selecting a combination. In mining and metallurgical sample preparation, unsuitable combinations may lead to inconsistent polishing behavior or reduced surface quality. Matching the paste with appropriate polishing accessories helps maintain controlled abrasive action during preparation of ore samples, mineral sections, and metallographic specimens used for microscopic analysis and process evaluation.

Q9. How does diamond paste carrier medium viscosity affect polishing performance during mineral sample preparation?

The viscosity of the diamond paste carrier medium can influence paste distribution, lubrication behavior, and abrasive contact during polishing. A suitable viscosity helps maintain more uniform abrasive coverage on the polishing surface and supports stable preparation conditions. In mining laboratories, this factor should be considered together with sample hardness, polishing speed, equipment type, and polishing cloth characteristics. Proper control of polishing conditions helps reduce preparation variation and supports reliable surface quality for subsequent mineral testing, microstructure observation, and metallurgical evaluation.

Q10. How can laboratories optimize diamond polishing paste usage for consistent surface quality?

Optimizing diamond polishing paste usage requires establishing appropriate application procedures based on sample type, polishing stage, equipment conditions, and required surface finish. Laboratories should monitor preparation results and adjust paste application practices according to actual workflow requirements rather than relying on a fixed approach for all samples. In continuous mining laboratory operations, standardized procedures for paste handling, storage, and replacement help maintain consistency across multiple preparation cycles. This supports reliable sample quality during mineral analysis, metallurgical testing, and microscopic examination processes.

{ "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "@id": "https://www.fknmed.com/mining-lab-supplies/#organization", "name": "FKN GROUP LIMITED", "contactPoint": { "@type": "ContactPoint", "telephone": "+86 13770648803", "email": "liu-liming@fknmed.com", "contactType": "customer service", "areaServed": "International mining market" } }, { "@type": "Product", "@id": "https://www.fknmed.com/grinding-polishing-media/diamond-grinding-paste.html#product", "name": "Diamond Lapping & Polishing Paste for Metallographic Specimen Finishing", "description": "Diamond lapping and polishing paste using high-grade single-crystal diamond micro-powder for precision finishing of high-hardness metallographic specimens, supporting stable polishing performance and reliable mining laboratory sample preparation workflows.", "image": "https://www.fknmed.com/static/upload/image/20260727/1785123260253968.jpg", "brand": { "@type": "Brand", "name": "FKN PANDA" }, "manufacturer": { "@id": "https://www.fknmed.com/mining-lab-supplies/#organization" }, "offers": { "@type": "Offer", "url": "https://www.fknmed.com/grinding-polishing-media/diamond-grinding-paste.html", "availability": "https://schema.org/InStock" } } ] }