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    Abrasive Discs
    1. Home
    2. Abrasives
    3. Abrasive Discs
    Item # DY91585 • Mfr # 91585

    Dynabrade DynaCut Extreme PSA Sanding Disc 6" 800 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 91585

    Description

    Dynabrade DynaCut Extreme 6 Inch Sanding Disc Use

    Dynabrade DynaCut Extreme 6 inch sanding disc is a PSA, no hole, aluminum oxide sanding disc on a film backing designed for fast cut and long life. The 800 grit abrasive delivers a very fine finish, which helps dial in final surface quality before coatings or between coats. Coated abrasives manufactured with premium P graded aluminum oxide abrasives cut quickly while maintaining a consistent scratch pattern, which supports predictable finishing results across multiple workpieces. The extremely tough and tear resistant high performance 3 mil film backing generates the finest finishes and up to 4X the life of paper discs, reducing disc changes during longer sanding sessions. The proprietary clog free coating is pigment free and provides a buildup resistant abrasive surface, which helps maintain cutting efficiency in dustier sanding conditions. Pressure sensitive adhesive adheres disc firmly to vinyl face back-up pads and removes cleanly when discs are worn out, supporting quick disc changes and clean pad surfaces.

    Key Sanding Disc Details That Support Your Work

    • The disc uses premium P graded aluminum oxide abrasives for fast cut and long life, which lets installers and fabricators remove material efficiently while keeping a consistent finish over more parts.
    • An extremely tough and tear resistant high performance 3 mil film backing generates the finest finishes and up to 4X the life of paper discs, so discs stay intact longer under edge pressure and on curved profiles.
    • The proprietary clog free coating is pigment free and provides a buildup resistant abrasive surface, which helps keep the abrasive face clearer in use and supports more uniform sanding over the full life of the disc.
    • Pressure sensitive adhesive adheres the disc firmly to vinyl face back-up pads and removes cleanly when discs are worn out, which helps prevent adhesive buildup on pads and keeps changeover time short between grits.
    • The 6 inch, no hole PSA format works with vinyl face back-up pads that do not require vacuum holes, which suits many general abrasive discs applications on random orbital sanders.

    PSA Film Sanding Disc Fit And Application Workflow

    This 6 inch no hole PSA sanding disc uses a pressure sensitive adhesive backing that bonds to vinyl face back-up pads, which provides a flat, secure interface for random orbital sanding. The 3 mil film backing is extremely tough and tear resistant, so it stays stable under pad pressure and along edges, which supports controlled sanding without edge fraying. The 800 grit, premium P graded aluminum oxide abrasive is suited to very fine sanding, which fits finishing passes where a refined surface is needed. The proprietary clog free coating provides a buildup resistant abrasive surface, which helps maintain cutting action as dust develops during sanding. The film backing generates the finest finishes and up to 4X the life of paper discs, which supports extended runs between disc changes in production-style workflows.

    Where This Aluminum Oxide Film Sanding Disc Excels

    Using The No Hole 6 Inch Disc In Your Setup

    This abrasive disc is categorized as an abrasive disc and fits abrasive discs use on compatible 6 inch vinyl face back-up pads, which aligns with many random orbital sanding setups in woodworking and similar shops. The 6 inch diameter gives a broad sanding area, which helps cover panels and wider parts efficiently when leveled over a vinyl face pad. As a no hole PSA disc, it relies on its pressure sensitive adhesive to bond to the pad surface, which creates full-face contact for even sanding across the disc. The coated abrasives are manufactured with premium P graded aluminum oxide abrasives, which supports repeatable cutting behavior from disc to disc when running through a standard grit sequence. The extremely tough and tear resistant high performance 3 mil film backing helps the disc stay intact when working near edges, profiles, or seams, which is important when refining details without replacing discs prematurely.

    Why DynaCut Extreme Details Matter For Finishing

    The DynaCut Extreme construction uses a high performance 3 mil film backing that generates the finest finishes and up to 4X the life of paper discs, which helps control finish quality while trimming abrasive costs in higher volume work. The proprietary clog free coating is pigment free and provides a buildup resistant abrasive surface, which helps keep the scratch pattern consistent even as fine dust accumulates, an advantage during extended fine sanding passes. The 800 grit rating delivers a very fine cut, which supports tasks where surface smoothness directly affects coating appearance or touch. Pressure sensitive adhesive adheres disc firmly to vinyl face back-up pads and removes cleanly when discs are worn out, which keeps pads ready for the next disc without scraping adhesive or interrupting workflow. Manufactured with Dynabrade DynaCut Extreme design and P graded aluminum oxide, the disc balances fast cut and long life, which supports both stock removal and refined finishing stages with fewer disc swaps.

    Buyer Questions About This Dynabrade 91585 Disc

    What type of abrasive is used on this disc?

    This disc uses premium P graded aluminum oxide abrasives, which provide fast cut and long life so sanding stays efficient across more parts per disc.

    How does the 3 mil film backing affect sanding performance?

    The high performance 3 mil film backing is extremely tough and tear resistant, which supports finer finishes and up to 4X the life of paper discs in typical use.

    What backing system does this sanding disc use?

    This sanding disc uses a pressure sensitive adhesive backing that adheres firmly to vinyl face back-up pads and removes cleanly when discs are worn out.

    Why is the disc described as no hole?

    The disc is described as no hole because its 6 inch PSA design has no vacuum holes, which creates full-face contact on compatible vinyl face back-up pads.

    What finish level can I expect from 800 grit on film?

    The 800 grit aluminum oxide on film generates very fine finishes, which suits final smoothing and refinement where surface quality is a priority.

    How does the clog free coating help during sanding?

    The proprietary clog free coating is pigment free and buildup resistant, which helps the abrasive surface stay clearer and maintain cutting performance longer.

    Selecting This 6 Inch 800 Grit PSA Disc

    The Dynabrade DynaCut Extreme 6 inch 800 Grit PSA No Hole Aluminum Oxide on Film Sanding Disc, part number 91585, offers premium P graded aluminum oxide with a high performance 3 mil film backing for fast cut, very fine finishes, and extended disc life. The proprietary clog free, pigment free coating supports a buildup resistant abrasive surface, while the PSA backing adheres securely to vinyl face back-up pads and removes cleanly when discs are worn out. For workflows that depend on consistent fine finishing and reduced changeover time, this 6 inch no hole PSA disc is well suited to abrasive discs applications on compatible sanding setups.

    Diameter (in)
    6 in
    Attachment Type
    PSA
    Grit
    800
    Hole Pattern
    No Hole
    Mineral
    Aluminum oxide
    Product Type
    Sanding Discs
    Vacuum Type
    Non-Vacuum
    Backing Weight
    Film
    Manufacturer Series
    DynaCut Extreme
    Supplier Pack Size
    1
    Sold In
    1
    Diameter (in)
    6 in
    Attachment Type
    PSA
    Grit
    800
    Hole Pattern
    No Hole
    Mineral
    Aluminum oxide
    Product Type
    Sanding Discs
    Vacuum Type
    Non-Vacuum
    Backing Weight
    Film
    Manufacturer Series
    DynaCut Extreme
    Supplier Pack Size
    1
    Sold In
    1
    1,0001,5001201001,2001501802203204006060080800
    Dynabrade
    $41.33/Package
    Dynabrade DynaCut Extreme PSA Sanding Disc 6" 800 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 91585
    Item# DY91585 / MFR Part # 91585
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