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    Abrasive Sheets
    1. Home
    2. Abrasives
    3. Abrasive Sheets
    Item # DY84862 • Mfr # 84862

    Dynabrade Extreme Orange Hook & Loop Sanding Sheet 3" x 4" 120 Grit Aluminum Oxide Film 100 Sheets-Pack 84862

    Description

    Dynabrade Extreme 120 Grit Sanding Sheet Use

    Dynabrade Extreme 120 Grit sanding sheet is a 3 inch by 4 inch abrasive sheet that uses P-graded aluminum oxide on a film backing, so it delivers a controlled 120 grit cut on a compact pad size for detailed surface work. The extremely sharp and friable P-graded aluminum oxide abrasive produces a fast cutting action under light pressure, which helps remove material efficiently while maintaining a consistent finish across the life of the sheet. The aluminum oxide grain is bonded to a film backing, so the abrasive layer stays stable as you sand. This sheet is built as an abrasive sheet within the abrasives and abrasive sheets category, so it suits sanding tasks where repeatable material removal and finish level are important.

    Key Abrasive Sheet Details That Support Work

    • The extremely sharp and friable P-graded aluminum oxide abrasive produces a fast cutting action under light pressure, so the sheet cuts aggressively without heavy hand force, helping reduce fatigue on repeated sanding passes.
    • The P-graded aluminum oxide abrasive maintains consistent material removal and finish throughout the life of the product, which supports uniform surface prep across multiple parts without frequent grit changes.
    • Premium loop scrim is laminated to the foam for easy attachment and removal from hook and loop pads, so the sheet can be swapped quickly during sanding without fighting the backing or damaging the foam.
    • The proprietary orange urethane foam provides the correct firmness to enable the abrasive grain to cut, so the sheet stays supportive under pressure instead of collapsing and losing cutting efficiency during use.
    • The same orange urethane foam provides flexible support to allow the product to conform to uneven surfaces, so the abrasive makes contact across contours and profiles instead of only touching high spots.

    Hook And Loop Mounting And Sheet Handling

    The sheet uses a premium loop scrim laminated to the foam for easy attachment and removal from hook and loop pads, so it pairs with hook and loop style backing pads for fast changeovers during sanding. This hook and loop connection allows the sheet to be pulled off and repositioned on the pad as needed, which is useful when rotating sheets to spread wear. The 3 inch by 4 inch size works with pads sized for that footprint, so the foam-backed sheet stays supported edge to edge during sanding passes.

    How This Dynabrade Sheet Fits Shop Tasks

    Where This 3 x 4 Sanding Sheet Excels

    This Dynabrade abrasive sheet is identified as a Dynabrade Extreme 120 Grit No Hole Hook & Loop Aluminum Oxide on Film Sanding Sheet, 3 inch by 4 inch, so it targets medium-fine sanding where 120 grit is specified. The no hole design means the sheet surface is continuous, so every part of the face can be used for contact on the workpiece. The 3 inch by 4 inch format suits areas where a small rectangular pad reaches edges, corners, or narrow parts better than larger sheets. Being part of the abrasives and abrasive sheets category, it factors into workflows that rely on sheet abrasives for staged sanding steps, so it can serve as a defined 120 grit step in a sanding sequence.

    Why Film, Foam, And Hook & Loop Matter

    The aluminum oxide abrasive is applied on a film backing, so the cutting surface stays dimensionally stable as it wears, which supports predictable scratch patterns and smoother transitions between sanding steps. The proprietary orange urethane foam provides the correct firmness to enable the abrasive grain to cut yet provides flexible support to allow the product to conform to uneven surfaces, so operators can move from flat faces to mild profiles without changing to a different style of abrasive. Premium loop scrim laminated to the foam works with hook and loop pads, so the backing holds during use but still releases cleanly when changing sheets, which helps keep pads in service longer. The fast cutting action under light pressure means the sheet removes material efficiently without heavy loading on the foam or backing pad, supporting consistent performance over the life of the product.

    Common Questions About Dynabrade Sheet 84862

    What grit level is this Dynabrade Extreme sanding sheet?

    The Dynabrade Extreme sanding sheet is 120 grit, so it targets medium-fine sanding where a defined 120 grit scratch pattern is required in the process.

    What are the dimensions of this aluminum oxide sanding sheet?

    The sanding sheet measures 3 inches by 4 inches, so it fits small rectangular hook and loop pads sized for detailed or edge-area sanding.

    How does the hook and loop backing help during sanding changes?

    The premium loop scrim is laminated to the foam for easy attachment and removal from hook and loop pads, so sheet changes are quick during staged sanding steps.

    Why is the orange urethane foam important on this sheet?

    The proprietary orange urethane foam provides the correct firmness for the abrasive grain to cut yet flexes to conform to uneven surfaces, so it balances cut with surface contact.

    What does P-graded aluminum oxide mean in use?

    The extremely sharp and friable P-graded aluminum oxide abrasive produces fast cutting under light pressure, so it removes material efficiently while keeping a consistent finish.

    How does the film backing affect sanding performance?

    The aluminum oxide abrasive is on a film backing, so the cutting surface remains stable as it wears, supporting predictable scratch patterns across the sheet life.

    Selecting This 120 Grit Sheet For Your Work

    The Dynabrade Extreme 120 Grit sanding sheet pairs P-graded aluminum oxide on film with orange urethane foam and a hook and loop-ready loop scrim, so it supports fast cutting, conformable sanding, and quick pad changes. For 3 inch by 4 inch pad work that calls for a defined 120 grit step, this abrasive sheet keeps the process focused on consistent removal and finish rather than constant sheet adjustment.

    Attachment Type
    Hook and loop
    Grit
    120
    Hole Pattern
    No Hole
    Length (in)
    4 in
    Width (in)
    3 in
    Vacuum Type
    Non-Vacuum
    Mineral
    Aluminum oxide
    Color/Finish
    Orange
    Backing Weight
    Film
    Product Type
    Sanding Sheets
    Manufacturer Series
    Extreme
    Supplier Pack Size
    1
    Sold In
    1
    Attachment Type
    Hook and loop
    Grit
    120
    Hole Pattern
    No Hole
    Length (in)
    4 in
    Width (in)
    3 in
    Vacuum Type
    Non-Vacuum
    Mineral
    Aluminum oxide
    Color/Finish
    Orange
    Backing Weight
    Film
    Product Type
    Sanding Sheets
    Manufacturer Series
    Extreme
    Supplier Pack Size
    1
    Sold In
    1
    Dynabrade
    80100120150180220320400
    0Cart
    0Cart
    $43.92/Package
    Dynabrade Extreme Orange Hook & Loop Sanding Sheet 3" x 4" 120 Grit Aluminum Oxide Film 100 Sheets-Pack 84862
    Item# DY84862 / MFR Part # 84862
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