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3M 202DZ 5" 100 grit PSA sanding disc is a 3M aluminum oxide abrasive disc on a J-weight cloth backing, built for sanding wood and metal where flexibility and edge wear resistance matter. The aluminum oxide mineral cuts the surface while maintaining an even scratch pattern, which helps prepare parts for the next grit or finish. The J-weight cloth backing bends around profiles and edges, allowing the abrasive to stay in contact without tearing as easily. The PSA pressure-sensitive adhesive holds the disc firmly on a 5 inch backup pad, so the disc stays put while you sand flat, contoured, or edge areas. An anti-static coating helps manage dust on the disc surface, which supports more consistent cutting action over the life of the disc. The 100 grit grade provides an intermediate cut that bridges between stock removal and surface preparation steps on typical shop projects.
This 5 inch 100 grit PSA sanding disc uses a pressure-sensitive adhesive layer on the back, so the disc bonds to a suitable 5 inch pad surface for sanding without holes. The no-hole design presents a continuous abrasive face, which focuses contact across the full disc for applications where vacuum extraction through the disc is not required. The aluminum oxide mineral on J-weight cloth lets the disc work on both wood and metal, so one grade can serve mixed-material jobs in the same station. Because the backing is cloth-based, it tolerates the bending that happens when sanding edges, profiles, and narrow stock, supporting repeatable results from part to part. The anti-static coating interacts with airborne dust around the abrasive, helping keep the disc face clearer for a more predictable cut rate during runs.
This 3M 202DZ abrasive disc uses aluminum oxide mineral on a J-weight backing, so it can sand both wood and metal in typical shop conditions. On wood parts, the 100 grit surface levels mill marks and blends joints, giving a consistent scratch pattern that is ready for finer grits. The flexible J-weight cloth lets the disc follow profiles on edges, rails, and moldings, which helps maintain contact without gouging when moving over contours. On metal components, the same aluminum oxide abrasive works to deburr and smooth surfaces, allowing one disc type to handle both material groups in a mixed fabrication cell. The anti-static coating interacts with sanding dust around the abrasive surface, supporting more uniform cutting as work progresses across larger batches of parts.
The J-weight cloth backing on this disc supports the abrasive grains while allowing the disc to bend around edges, which helps reduce edge wear in areas that often see the most contact. That flexibility is useful when sanding detailed work, because the cloth can drape slightly while still holding the mineral in place. The PSA backing creates a secure bond to a compatible 5 inch pad, so the disc stays aligned while the sander moves across panels and narrower pieces. With no holes in the disc, the abrasive face remains continuous, which can simplify sanding patterns when vacuum holes are not part of the process. Together, the aluminum oxide mineral, J-weight backing, and PSA system combine into a disc that supports repeatable sanding steps on wood and metal parts where flexibility and edge wear resistance are important.
The 3M 202DZ sanding disc uses aluminum oxide mineral, which provides the abrasive cutting surface for sanding wood and metal in general shop applications.
The J-weight cloth backing gives the disc flexibility with durability, allowing it to bend around edges and contours while resisting edge wear in frequent-use areas.
The 100 grit rating defines the abrasive grain size, giving an intermediate cut suitable for leveling surfaces and preparing them for finer sanding steps.
The anti-static coating on the disc surface helps reduce static-related dust buildup, supporting a clearer abrasive face and more consistent cutting action.
The disc uses a PSA backing designed for Stickit type pressure-sensitive adhesive systems, which holds the disc firmly to a compatible pad during sanding.
The 3M 202DZ disc is described as excellent for sanding wood and metal, so it fits mixed-material shop workflows using a single abrasive type.
The 3M 202DZ 5 inch 100 grit PSA sanding disc combines aluminum oxide mineral, J-weight cloth backing, and an anti-static coating to support consistent sanding on wood and metal parts. When a project calls for a flexible disc that resists edge wear and bonds securely using a PSA system, this disc provides those characteristics in a single part number. For shops standardizing on a 5 inch no-hole PSA disc at an intermediate grit level, this option aligns with common sanding workflows and material mixes.
Sold In: 50 Each
