MIRKA Iridium SR Finessing Abrasive Disc - 32mm PSA, 500 Pack
The Mirka Iridium SR is a premium finessing abrasive designed for the finest finishing stages in automotive refinishing, collision repair, and vehicle or transport manufacturing. With a durable backing and precision silicon carbide grains, it delivers reliable performance across clearcoat, top coat, lacquer, and composite surfaces.
Its innovative slurry coating creates a smooth scratch pattern that’s fast and easy to polish out, ensuring consistent high-quality results. Perfect for detail work, the Iridium SR pairs seamlessly with the Mirka AOS-B 130NV Cordless Spot Repair Sander (MKA-8991230312AN), giving technicians unmatched control and efficiency in tight or delicate areas.
Features
- Silicon carbide grains – Delivers sharp, consistent cutting power
- Slurry coating – Produces an easy-to-polish scratch pattern
- Strong, stable backing – Ensures reliable performance and longevity
- Ideal for fine finishing – Perfect for automotive and composite applications
- PSA attachment – Quick and secure disc changes
The slurry coating allows for a scratch pattern that is easy and fast to polish out and gives an excellent quality consistency. Iridium SR is best paired with Mirka’s ergonomic cordless sander, the Mirka AOS-B 130NV (MKA-8991230312AN).
Specifications
- Attachment Type: PSA
- Backing Material: 4 MIL Polyester film
- Bonding: Slurry
- Coating: Closed
- Form: Discs
- Grain: Silicon carbide
- Suitable for:
- Sanding, Spot Repair
- Top coat, Paint Sanding, Ccear Coat, Lacquers
Downloads
| Part Number | Grit | Colour | Diameter | Hole Configuration | Pack Size |
|---|---|---|---|---|---|
| MKA-2430900197 | 3000 (5 micron) | Grey | 32mm | 0 | 500/Pack |
| MKA-2430900198 | 2500 (7 micron) | Purple | 32mm | 0 | 500/Pack |
Image Disclaimer: The product image is indicative only. The actual product may differ from based on grit selection. Tool not included.
FAQs
- What is Iridium SR 32mm PSA designed for? A premium abrasive disc for final-stage sanding in automotive refinishing, collision repair, and transport/vehicle manufacturing.
- What advantages does Iridium SR provide? It delivers uniform scratch patterns that are fast and easy to polish, refined consistency, and durable abrasive life.
- Which tools are recommended for use with Iridium SR? Works best with Mirka cordless sanders—such as the AOS-B and AROS-B series—for precise control during spot repairs and finishing.
- Is Iridium SR suitable for wet sanding? Iridium SR is designed for dry sanding. However, you can use the Mirka Finessing Damper to apply a controlled, minimal amount of liquid. This helps reduce splash and keeps the abrasive clean—but does not make it compatible with traditional wet sanding methods.
- Which industries or trades benefit from this product?
- Automotive refinishing (bodyshops, paint correction)
- Collision repair centers
- Vehicle and transport manufacturing (quality control and surface finishing)
- Composite fabricators (e.g., marine or aerospace applications)
- How should Iridium SR fit into a finishing workflow? To get a flawless finish, dry sand, clean the surface, then polish using a water-based compound (e.g., Polarshine or PRO Iridium 1250) and Mirka pads.
