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3M – 216U-100

Description

is an aluminum‑oxide abrasive with A‑weight backing and open‑coat design. Flexible, clog‑resistant, ideal for finishing paint, wood, metal & plastic. ,

Technical specification

3M – 216U Abrasives

The 3M – 216U series features high-performance aluminum oxide abrasives on a light A-weight paper backing.
Available in sheet, roll, and disc formats—including Stikit™, Hookit™, and Xtract™ designs—216U abrasives are engineered for finishing, paint prep, wood smoothing, and metal or composite refinishing.

Key Features & Benefits

      • Open‑Coat Construction: Spaced abrasive grains enable dust evacuation, preventing clogging and improving cut speed and lifespan
      • Load‑Resistant Coating: Special coatings protect the abrasive surface from premature loading, maintaining performance across extended use
      • Aluminum Oxide Mineral: Fast-cutting, durable, and self-fracturing to expose fresh edges—ideal for a variety of substrates
      • A‑Weight Paper Backing: Lightweight yet strong, offering flexibility for feathering edges and contour sanding
      • Self‑Adhesive & Hook‑and‑Loop Options: Stikit™ (adhesive) and Hookit™ enable quick disc attachment/removal on orbital sanders
      • Xtract™ Multi‑Hole Dust Extraction: In Xtract™ discs, hole patterns dramatically reduce dust, enhancing cleanliness and tool life

Applications & Use Cases

    1. Paint & Primer Sanding: Open-coat and load-resistance enable consistent paintwork and primer prep.
    2. Auto Body Repair: Adhesive-backed rolls/sheets minimize waste and adjust to blocks or pads.
    3. Wood & Composite Sanding: Effective on wood, fiberglass, plastic, and composites with lightweight sanding over contours.
    4. Metalworking & Finishing: Aluminum oxide cuts efficiently and self-sharpens, ideal for aluminum and carbon steel.

Formats & Grit Range

      • Sheets & Rolls: Available in diverse grit sizes (P150 to P800) and forms (Stikit™ adhesive sheets/rolls, standard sheets).
      • Discs: Stikit™ and Xtract™ formats in disc rolls for random orbital sanders (5″ & 8″ sizes)

Storage & Safety Guidelines
Store at 18–22 °C with 50–65 % RH for best shelf life
. Use in well-ventilated areas with proper PPE—goggles, mask, gloves
. Ensure discs are centered on suitable pads, and maintain machine contact angle per guidelines

Why Choose 3M 216U?

. Trusted for over 25 years, 3M Gold abrasives—including the 216U series—deliver uniform, consistent results across applications from automotive collision repair to woodworking
. The combination of open-coat design, durable mineral, and flexible backing creates a versatile abrasive capable of high-quality finishes while resisting clogging and wear.

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