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Diamond Lapping Film

Diamond Lapping Film
Diamond Lapping Film is a cutting-edge product that boasts a high strength polyester backing coated with precisely graded diamond powder. This innovative design ensures a uniform and consistent finish, making it the perfect solution for achieving a repeatable finish on extremely hard materials.
Thanks to its exceptional edge retention and coplanarity maintenance, Diamond Lapping Film is a popular choice for unencapsulated cross-sectioning, TEM wedge/plan-view polishing, backside polishing, and FIB sample thinning.
Our Diamond Lapping Film is available in a wide range of grades, from 0.5 to 80 μm, and can be purchased with or without Pressure Sensitive Adhesive (PSA) backing. Whether you're a professional in the field or a hobbyist looking for top-quality results, our Diamond Lapping Film is the perfect choice for all your lapping and polishing needs.

Mesh                    180    240    360    400    600    1000    1200    2000    2500    4000    6000    8000    10000
Particle size/µm    80      60      45      40       30       16        15        9          6           3          2         1          0.5
Type: Diamond Lapping Film Sheet

High-Strength Polyester Backing:
    • The film is backed by a high-strength polyester material, providing durability and stability during the lapping and polishing processes.

  1. Precisely Graded Diamond Powder:

    • Coated with precisely graded diamond powder, contributing to a uniform and consistent finish.

  2. Exceptional Edge Retention:

    • Exhibits exceptional edge retention, ensuring the longevity of the abrasive properties.

  3. Coplanarity Maintenance:

    • Maintains coplanarity effectively, contributing to the accuracy and precision of the lapping and polishing processes.


  1. Unencapsulated Cross-Sectioning:

    • Suitable for unencapsulated cross-sectioning applications where precise results are crucial.

  2. TEM Wedge/Plan-View polishing:

    • Used in Transmission Electron Microscopy (TEM) for wedge and plan-view polishing applications.

  3. Backside polishing:

    • Ideal for backside polishing, ensuring a consistent and high-quality finish.

  4. FIB Sample Thinning:

    • Applied in Focused Ion Beam (FIB) sample thinning processes, contributing to thin and precise samples.

Grades and Options:

  1. Wide Range of Grades (0.5 to 80 μm):

    • Available in a comprehensive range of grades, catering to different levels of fineness and surface finish requirements.

  2. Optional Pressure Sensitive Adhesive (PSA) Backing:

    • Can be purchased with or without Pressure Sensitive Adhesive (PSA) backing, offering flexibility in application.

User Base:

  1. Professional and Hobbyist Use:

    • Suitable for professionals in various fields requiring top-quality results.

    • Also suitable for hobbyists looking for precision in lapping and polishing applications.


Diamond Lapping film stands as a cutting-edge product, offering a combination of durability, precision, and versatility. With applications ranging from unencapsulated cross-sectioning to TEM polishing and FIB sample thinning, it addresses the needs of professionals and hobbyists alike. The wide range of available grades and optional PSA backing further enhances its suitability for various lapping and polishingrequirements.

Diamond Lapping Film
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