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Mirka

Mirka Iridium 6" PSA 320 24-342-320

SKU CH-FRE6-ZJ7PN

Six-inch PSA abrasive disc in 320 grit for machine sanding applications

  • 6" PSA disc fits standard backing pads
  • 320 grit produces a smooth finish
  • Iridium line designed for long service life
  • New condition ensures full factory performance
  • First listed by manufacturer June 2022

What the product is

The Mirka Iridium 320 is a 6-inch PSA abrasive disc designed for machine sanding in automotive and workshop environments. It suits technicians preparing surfaces for paint or clear-coat application.

What the PSA backing changes

The pressure-sensitive adhesive fixes the disc to the backing pad without holes or clips, so grit changes take seconds and the abrasive stays flat during high-speed orbiting.

Capacity and headroom

Grit 320 removes clear-coat texture and fine scratches quickly, leaving a uniform finish ready for finer grades. It will not cut deep defects or level heavy orange peel in a single pass.

How it compares

Measured against everything we stock in Industrial Motors & Machine Parts, at today’s prices. Recalculated every night.

Price $48.99
Cheaper than about 60% of the 397 comparable items (median $91.99).

Specifications

Product
Brand nameMIRKA

Questions about this item

How often will the 320 grit abrasive need replacing during regular sanding?

The 320 grit surface wears down with use; replace the disc when cutting performance drops or the backing shows through.

What limits continuous sanding with the 6 inch PSA disc?

Heat buildup on the workpiece and disc loading are the first limits during sustained sanding sessions.

Does the PSA adhesive hold up during all-day machine operation?

The pressure-sensitive adhesive is designed for secure attachment during extended machine sanding runs.

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