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3M Diamond Lapping Film for Precision Finishing - 3 x 8 Size (120 Grit)
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Category: wicked edge lapping film

About this item
- This super-fast cutting, long-lasting, water resistant abrasive provides precise, consistent, close tolerance finishes, but excel when used on harder materials such as hardened steel, carbide or gemstones.
- These diamond sheets contain carefully graded monocrystalline diamond particles electrostatically coated onto a high strength polyester film backing.
- They are available in a wide range of precise micron grades from .1 micron (100,000 grit) to 125 micron (120 grit) to meet any sharpening or polishing need.
- This high-performance polishing abrasive can operate at speeds up to double that of aluminum oxide (AO) or silicon carbide (SC) films and has a lifespan that can reach twice as long.
- These are PSA (Pressure Sensitive Adhesive) backed. Grades from .1 to 30 micron have a 3 mil backing and grades 45 to 125 have a much thicker 5 mil backing. The high-strength polyester film backing is less likely to tear than traditional wet or dry sandpaper.