Dynabrade DynaCut Extreme 5 inch sanding disc is a 100 grit PSA no hole aluminum oxide on film sanding disc designed for coated abrasive work where a fast cut and long life are needed. The premium P graded aluminum oxide abrasive cuts aggressively while maintaining a consistent scratch pattern, which supports predictable surface preparation before finishing. The 5 inch no hole design keeps the entire disc face in contact with the work when used on compatible vinyl face back-up pads, helping maintain uniform coverage across flat areas and edges. The pressure sensitive adhesive backing bonds firmly to vinyl face pads during use, yet removes cleanly when the disc is worn out, which speeds disc changes and keeps pads ready for the next disc. Sold in packs of 50, this format supports shops running multiple sanders or high-volume prep without constant reordering.
This 5 inch 100 grit PSA sanding disc uses a pressure sensitive adhesive specifically described for vinyl face back-up pads, which gives a secure bond that resists shifting while sanding. When discs are spent, the adhesive backing removes cleanly from the pad, saving time that would otherwise be spent scraping residue before installing the next disc. The tough 3 mil film backing supports the abrasive during sanding, so the disc stays flat on the pad and tracks evenly on the work surface. With 100 grit abrasive on a no hole disc, the combination suits sanding passes where a medium cut is needed while still working toward fine finishes, making it practical for staged sanding systems.
This Dynabrade aluminum oxide film disc falls under abrasive discs in the abrasives category, placing it in sanding and surface preparation workflows. The premium P graded aluminum oxide construction supports fast cut and long life, so it fits cabinet, woodworking, or general fabrication environments where repeated passes on panels, frames, or parts are common. The 100 grit rating positions the disc for intermediate sanding steps, between heavier stock removal and final very fine grits, which helps create a base for smooth finishes. The extremely tough and tear resistant 3 mil film backing keeps the abrasive working at edges and around transitions, which matters when sanding doors, face frames, or parts with exposed corners that frequently stress paper-backed discs.
The proprietary clog free coating forms a buildup resistant abrasive surface, so the disc stays productive longer when working materials that tend to load standard abrasives. Because this coating is pigment free, it avoids adding color to the sanding surface, which is useful on lighter materials where color transfer would cause extra rework. The no hole layout focuses all available face area on cutting, which suits solid contact sanding on compatible vinyl face back-up pads. Sold in packs of 50, the discs support crews that keep multiple sanders running through a shift, aligning with production-focused sanding stations.
The high performance 3 mil film backing helps the disc maintain shape and stability under pressure, so the abrasive stays presented evenly to the workpiece, which supports fine finishes and consistent scratch patterns across large areas. This backing also provides tear resistance, reducing premature disc failure at edges and helping each disc reach more of its usable life before removal. The premium P graded aluminum oxide abrasive maintains a controlled particle size, contributing to even cutting action, which simplifies blending between passes and from one operator to another.
The pressure sensitive adhesive layer is engineered to adhere firmly to vinyl face back-up pads, preventing disc creep or slippage during sanding strokes, which helps operators maintain control and keeps scratch lines uniform. When the disc is worn, the same adhesive system allows clean removal from the pad, so the backing pad surface remains ready for the next disc without residue interfering with adhesion. The proprietary clog free, pigment free coating keeps the abrasive face clear of buildup longer, which supports steady cutting rates across the disc life and reduces sanding variation caused by loaded areas. Combined, these features help shops sustain predictable sanding performance and reduce interruptions tied to disc changes and surface rework.
The disc uses premium P graded aluminum oxide abrasives, which provide fast cut and long life, supporting efficient sanding and extended use in repetitive surface preparation work.
The extremely tough 3 mil film backing is tear resistant and high performance, helping the disc stay intact at edges and generate fine finishes under demanding sanding conditions.
The disc is 5 inches in diameter with 100 grit abrasive, placing it in the medium range for sanding steps that move surfaces toward fine finishing.
The pressure sensitive adhesive backing adheres firmly to vinyl face back-up pads and removes cleanly when worn, allowing quick disc changes without pad cleanup time.
The proprietary clog free coating is buildup resistant and pigment free, helping the abrasive stay open longer and avoiding color transfer onto lighter work surfaces.
The no hole 5 inch PSA design provides a continuous abrasive surface on compatible vinyl face pads, supporting full-face contact and uniform sanding coverage.
The Dynabrade DynaCut Extreme 5 inch sanding disc combines premium P graded aluminum oxide, a tough 3 mil film backing, and a proprietary clog free coating to deliver fast cut, fine finishes, and long disc life. The 100 grit, no hole, PSA format matches workflows using vinyl face back-up pads where consistent contact and quick changes are important. Sold in packs of 50, this disc suits shops that depend on steady abrasive performance across multiple sanders. Choose this disc when a film-backed, pressure sensitive adhesive aluminum oxide solution aligns with your sanding and finishing stages.
Sold In: 1 Package