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SKU 7000119258
Legacy SKU 60440231920
UPC 00051141278452
Product Number 426U

3M™ Paper Sheet 426U is a general purpose abrasive sanding sheet constructed on an A-weight, light paper backing and features an anti-loading coating and open coat construction. Silicon carbide abrasive and lightweight paper backing make this sheet an ideal product for finishing applications such as paint prep, white wood sanding, sealer sanding, and solid surface finishing.

  • Silicon carbide is ideal for general purpose sanding on wood, metal, plastic, dry wall, fiberglass, glass, and ceramic
  • Load resistant coating and open coat construction minimize loading
  • A-weight paper provides flexibility for finishing contours and angles
  • Paper sheet is easily sized according to the task
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On it's way to you Early November, 2023  


Minimum Order 1,000 Sheets
Order Increment 1,000 Sheets
  Immense Durability
  Reduces Abrasive Costs
  Lowest Price Per Item
Product Dimensions
Imperial Metric
Width 11 in 279.4 mm
Length 9 in 228.6 cm
Shipping Dimensions
Weight 42.749 lb
Length 17.963 in
Width 9.625 in
Height 12.25 in
Color Gray
Grit 120


  1. What type of application is the 3M™ Paper Sheet 426U suitable for?

    The 3M™ Paper Sheet 426U is particularly well-suited for metalworking applications.

  2. What are the dimensions of each sheet in a case of this product?

    Each sheet is nine inches by eleven inches.

  3. How many sheets are included in one inner pack and how many inner packs are included in a case?

    One thousand sheets are included in each case, with one hundred sheets per inner pack.

  4. Is this product A-weighted or C-weighted?

    This specific product has an A-weight backing.

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
The Benefits of Silicon Carbide Abrasive Sheets

Silicon carbide abrasive sheets are a superior choice for achieving a smooth finish on painted metal and wood substrates. Compared to aluminum oxide or garnet abrasive products, silicon carbide creates a smoother finish. Its resin bond construction provides superior grain retention, while the open coat construction and load resistant coating combine to provide excellent antiloading characteristics.

The light A-weight backing of the sheets provides conformability over contours and into crevasses and corners. Additionally, the sheets can be easily cut to fit a hand pad block, inline sanders, or finishing or power sanders. These versatile sanding sheets contain the ideal abrasive grain type and grades for multi-step finishing processes.

Other applications for silicon carbide abrasive sheets include general sanding, finishing, blending, surface leveling, and prep prior to staining or painting.

The Advantages of Silicon Carbide

Silicon carbide is a synthetic mineral that is very sharp and commonly used for final finishing in white wood sanding. While it breaks down faster than aluminum oxide, it produces a superior finish. Silicon carbide is an excellent choice for achieving a smooth, high-quality finish on a variety of surfaces.

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