Mirka Gold 5 Inch P220 Aluminum Oxide PSA Linkrol Disc, 100 Pieces is a coated abrasive disc pack built for finish sanding and surface prep across multiple trades. This is a sanding disc designed for fine surface preparation, blending, and finish-ready sanding. Model Number: 23-314-220. With a 220 grit aluminum oxide abrasive on C-paper backing, this pack is aimed at users who need dependable cut quality without constant clogging on the job.

What makes this disc useful is how the abrasive package is set up for real sanding work instead of just looking good on a spec sheet. The resin-over-resin bond helps the grit stay attached under heat and friction, which matters when you are running a sander at higher speed for extended passes. The semi-open coating gives dust and sanding debris more room to clear, and the special stearate coating is intended to reduce clogging and pill formation. In plain terms, that means the disc stays cutting longer and leaves a more consistent scratch pattern.

The 220 grit rating puts this disc in the range where surface quality matters. It is a good fit for refining wood surfaces, smoothing body filler and primers in automotive refinishing, and preparing metal or painted surfaces for the next step. It is not your heavy stock-removal choice. It is the disc you reach for when the surface is already close and you want to clean it up without getting too aggressive.

Mirka uses aluminum oxide here because it is a proven all-around abrasive for mixed material work. If you bounce between wood processing, metal processing, vehicle work, and marine applications, that matters. You are not buying a specialty abrasive for one narrow task. You are buying a general-purpose sanding disc that can cover a lot of prep and finishing work while still delivering a controlled result.

The pressure-sensitive adhesive Linkrol backing is another practical detail. PSA discs are popular for users who want a secure hold on the sanding pad with quick disc changes during repetitive prep work. That setup makes sense in shop environments and production-style sanding where speed and consistency are more important than stopping to fight with worn abrasives.

This Mirka disc pack makes the most sense for automotive refinishers, woodworkers, marine techs, fabrication shops, and serious DIY users doing finish prep. If you need 100 discs in one grit so you can stay stocked for repeat work, this is a solid fit. If you need one mixed pack for occasional use, this may be more than you need. But for anyone who sands regularly and wants a known quantity in a 5 inch PSA format, this is the kind of consumable that earns its shelf space.

Mirka Gold 5 Inch P220 Aluminum Oxide PSA Linkrol Disc, 100 Pieces is the kind of shop staple you buy once and keep reaching for

This is a smart bulk abrasive buy for anyone doing steady finish prep and wanting a disc that cuts clean without loading up too fast.

• Who it's for: Refinishers, woodworkers, metal shops, marine techs, and serious DIY users who burn through 5 inch finish-sanding discs regularly.
• Why it stands out: The resin-over-resin construction, semi-open coating, and stearate treatment all work toward the same goal: longer useful life and a cleaner sanding result.
• Worth knowing: This is a 220 grit finishing and prep disc, not a heavy removal disc. Also, there is no manufacturer's warranty, which is normal enough for an abrasive consumable but still worth stating plainly.

• What materials is this sanding disc intended for? Source data lists automotive refinishing, wood processing, metal processing, marine industry work, and vehicle manufacturing applications.
• What grit is this disc? It is P220 grit, which is typically used for finer surface preparation and finish sanding steps.
• What abrasive material does it use? It uses aluminum oxide abrasive with a C-paper backing.
• Where is it made? Source data lists Finland as the country of origin.