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    Abrasive Discs
    1. Home
    2. Abrasives
    3. Abrasive Discs
    Item # DY91555 • Mfr # 91555

    Dynabrade DynaCut Extreme PSA Sanding Disc 6" 100 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 91555

    Description

    Dynabrade DynaCut Extreme Sanding Disc Performance

    Dynabrade DynaCut Extreme sanding disc uses premium P graded aluminum oxide abrasives, which deliver a fast cut while working efficiently across the surface. This 6 inch 100 grit PSA no hole disc is built as an abrasive disc for consistent sanding where a uniform scratch pattern matters. The coated abrasive construction is designed for long life, so each disc stays productive across more work time before changeout. The aluminum oxide on film design focuses the abrasive action at the surface, helping the disc maintain cutting performance as it wears. As part of the Dynabrade abrasive line in the abrasives and abrasive discs category, this disc is aimed at users who value predictable results from a known abrasive system. The Dynabrade name and specific 91555 part reference help identify the disc clearly when matching to existing setups or shop standards.

    Key Disc Construction Details That Drive Results

    • Premium P graded aluminum oxide abrasives are manufactured to support fast cut, which helps remove material quickly while keeping sanding passes efficient on each job.
    • Coated abrasives are designed for long life, so the disc continues to perform over extended use and can stay on the tool through more sanding cycles.
    • Extremely tough and tear resistant high performance 3 mil film backing supports the disc against edge stress, helping it stay intact when working around contours and transitions.
    • The 3 mil film backing generates the finest finishes, which is important when the sanding step must leave a smooth surface ready for subsequent processes.
    • Proprietary clog free coating is pigment free and provides a buildup resistant abrasive surface, so debris is less likely to load the disc and interrupt cutting action.
    • The buildup resistant surface further extends product life, allowing the abrasive to stay active longer before performance drops and a new disc is needed.

    PSA Film Disc Mounting And Removal Workflow

    Pressure sensitive adhesive on this 6 inch PSA disc adheres firmly to vinyl face back-up pads, creating stable contact during sanding moves. The PSA system is designed to remove cleanly when discs are worn out, which simplifies changeover and reduces time spent dealing with residue. This no hole disc layout provides a full film abrasive face, allowing the entire surface to engage with the workpiece wherever the back-up pad contacts. The combination of film backing and PSA mount supports even pressure transfer from the pad, which helps the disc maintain uniform performance during each pass.

    How This Aluminum Oxide Film Disc Works On The Job

    Where This Dynabrade 6 Inch 100 Grit Disc Fits

    This Dynabrade DynaCut Extreme 6 inch 100 grit PSA no hole aluminum oxide on film sanding disc fits workflows that rely on abrasive discs for surface preparation. The abrasive disc format in the abrasives and abrasive discs category suits shops using back-up pads sized for 6 inch discs with a vinyl face. The no hole configuration presents a continuous abrasive surface, which supports contact across the full disc area whenever the pad engages flat or broad surfaces. As a coated abrasive manufactured with premium P graded aluminum oxide, the disc is positioned for tasks where a fast cut and controlled scratch are both important. The 100 grit sizing aligns to work that targets intermediate sanding stages where material removal and surface refinement need to balance.

    Why The Film Backing And Coating Improve Consistency

    The extremely tough and tear resistant high performance 3 mil film backing is designed to hold the abrasive layer stable as sanding loads vary, which supports consistent results when working across edges or changing profiles. By generating the finest finishes, the 3 mil film backing helps set up downstream operations that depend on a smooth base surface. The proprietary clog free coating, which is pigment free, maintains a buildup resistant abrasive surface so dust and swarf interfere less with the cutting points. This buildup resistant behavior directly extends disc life, allowing the same Dynabrade DynaCut Extreme sanding disc to stay on the tool through more passes. Pressure sensitive adhesive that adheres firmly to vinyl face back-up pads keeps the disc anchored under pressure, which supports predictable control and reduces disc movement. When discs are worn out, the PSA is designed to remove cleanly, and that clean removal helps keep the back-up pad surface ready for the next 6 inch 100 grit PSA disc without extra cleanup steps.

    Common Questions About Dynabrade 91555 Film Discs

    What type of abrasive is on the Dynabrade 91555 disc?

    Dynabrade DynaCut Extreme sanding disc uses premium P graded aluminum oxide abrasives, which provide a fast cut and support long life during sanding operations.

    How does the 3 mil film backing affect sanding results?

    The 3 mil film backing is extremely tough and tear resistant and generates the finest finishes, so the disc stays intact while leaving a smooth, consistent surface.

    What is the benefit of the clog free coating on this disc?

    The proprietary pigment free clog free coating creates a buildup resistant abrasive surface, helping reduce loading so the disc cuts effectively for a longer period.

    How does the PSA attachment help during use and changeover?

    The pressure sensitive adhesive adheres the disc firmly to vinyl face back-up pads and removes cleanly when discs are worn out, supporting stable sanding and straightforward disc changes.

    What size and grit is the Dynabrade DynaCut Extreme disc?

    The Dynabrade DynaCut Extreme disc is a 6 inch 100 grit PSA no hole aluminum oxide on film sanding disc, suited to applications needing that specific diameter and grit level.

    How does this film disc support extended service life?

    This disc combines premium P graded aluminum oxide abrasives, a tough 3 mil film backing, and a buildup resistant clog free coating to extend productive sanding life.

    Selecting This Disc For Film-Backed PSA Sanding Jobs

    This aluminum oxide on film sanding disc from Dynabrade brings together premium P graded aluminum oxide, an extremely tough 3 mil film backing, and a proprietary clog free coating to support demanding abrasive work. The 6 inch 100 grit PSA no hole format fits sanding setups using vinyl face back-up pads where a full-face abrasive disc is preferred. With coated abrasives manufactured for fast cut and long life, and a pressure sensitive adhesive designed to adhere firmly yet remove cleanly when discs are worn out, this disc aligns with production-focused sanding needs. Choose the Dynabrade DynaCut Extreme 91555 disc when a film backed, buildup resistant 6 inch 100 grit PSA abrasive disc suits the job requirements.

    Diameter (in)
    6 in
    Attachment Type
    PSA
    Grit
    100
    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
    100
    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
    $42.77/Package
    Dynabrade DynaCut Extreme PSA Sanding Disc 6" 100 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 91555
    Item# DY91555 / MFR Part # 91555
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