Understanding Surface Material Removal When Honing Marble

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Understanding Surface Material Removal When Honing Marble

June 26, 2024 Fred Hueston Comments Off

Understanding Surface Material Removal When Honing Marble

Frederick M Hueston  StoneForensics.com

Marble is a beautiful and versatile stone often used in construction and decorative applications. However, maintaining its pristine appearance requires regular care, including honing. Honing is the process of smoothing and refining the surface of the marble, and it involves using abrasive pads of varying grits. This article will discuss how much surface material is typically removed when honing marble at different grit levels: 60, 120, 200, and 400.

60 Grit Honing

When honing marble with a 60 grit pad, the process is quite aggressive. This coarse grit is used to remove significant imperfections, scratches, or surface damage. As a result, it removes more material than finer grits. On average, honing with a 60 grit pad can remove approximately 0.1 mm to 0.3 mm (100 to 300 microns) of the marble surface per pass. This substantial removal rate is necessary for initial leveling and major surface corrections.

120 Grit Honing

The 120 grit pad is less abrasive than the 60 grit but still relatively coarse. It is used for intermediate honing, refining the surface after the initial rough honing. Honing with a 120 grit pad typically removes between 0.05 mm and 0.1 mm (50 to 100 microns) of surface material per pass. This stage smooths out the deeper scratches left by the 60 grit pad and starts to create a more uniform surface.

200 Grit Honing

At 200 grit, honing becomes more about refinement than removal. This grit level is used to further smooth the marble and prepare it for fine polishing. When honing marble with a 200 grit pad, the amount of material removed is considerably less, averaging between 0.01 mm and 0.05 mm (10 to 50 microns) per pass. This gentle removal helps to eliminate the finer scratches left by the previous honing stages, resulting in a smoother surface.

400 Grit Honing

The 400 grit pad is used for fine honing and pre-polishing. It removes the least amount of material, focusing on creating a smooth, almost polished surface. Honing with a 400 grit pad typically removes less than 0.01 mm (10 microns) of material per pass. This fine honing stage is crucial for preparing the marble for the final polishing stages, ensuring a high-quality finish.


Understanding how much surface material is removed at different honing grit levels is essential for achieving the desired finish on marble surfaces. Each grit level serves a specific purpose, from aggressive material removal at 60 grit to fine honing at 400 grit. By carefully selecting and using the appropriate grit, you can maintain the beauty and integrity of your marble surfaces, ensuring they remain stunning and durable for years to come.

Regular honing, combined with proper care and maintenance, will keep your marble surfaces looking their best, preserving their natural elegance and appeal.