Mirka Polarshine 15 Polishing Compound 1 Liter is a machine-applied cutting compound for paint correction and surface finishing. This is a polishing compound designed for machine polishing of painted surfaces, metals, and composites. Model Number: PC15-1L. If you need to remove sanding marks and scratches while still leaving a premium finish, this is the kind of compound that earns its shelf space in a body shop, detailing bay, or marine refinishing setup.

The big selling point here is that Polarshine 15 is made to polish out defects rather than mask them. That is a real difference on fresh paint and higher-gloss finishes where fillers and temporary shine do not hold up. Supplementary source data indicates it is designed to remove P1200 and finer scratches, which puts it in the range serious users want for correction work after sanding and prep.

Mirka positions this as an advanced cutting formulation that is also quick and easy to use. In practical terms, that means it is meant to cut efficiently without turning the polishing step into a long, drawn-out process. The formula is also described as staying wet longer, which helps extend working time and can make it easier to keep the pad moving evenly across a panel instead of fighting a compound that flashes too fast.

For shop use, the formula details matter. This compound is water-based and silicon-free, which is important when you are working around paint and refinishing processes where contamination can create problems. Supplementary data also calls out a low-solvent formula and reduced odor compared to competing products, along with non-staining behavior on surfaces. Those are not flashy features, but they make day-to-day use cleaner and easier.

This Mirka polishing compound is intended for machine applications, so it is a better fit for users working with polishers in repeatable production or correction work rather than someone looking for a quick hand-applied cleaner wax. It is suited to demanding finishes such as clear coats, gel coats, high-gloss lacquers, and single-stage topcoats, based on the supplementary product data. That gives it broad reach in automotive, marine, and restoration work.

The 1 liter bottle size makes sense for regular shop use. It is large enough for ongoing correction work without stepping up to a bulk container, which is a good middle ground for detailers, collision repair techs, marine refinishers, and serious enthusiasts who go through product steadily. Storage guidance from source data is 5° to 35° C, and it should be kept from freezing, which is worth knowing if your shop or garage sees seasonal temperature swings.

Who should buy it? If you are correcting defects on paint, gel coat, lacquer, or similar finish systems with a machine polisher and you want actual cut with a refined end result, this is a smart pick. If your work is mostly light maintenance polishing, it may be more compound than you need. But for real correction work where sanding marks and visible scratches need to go away, Mirka Polarshine 15 Polishing Compound 1 Liter is aimed right at that job.

Mirka Polarshine 15 Polishing Compound 1 Liter is a real correction compound, not a cover-up.

If you need honest cut, broad surface compatibility, and a formula that behaves well in a working shop, this one makes a strong case fast.

• Who it's for: Detailers, body shop techs, marine refinishers, and serious enthusiasts correcting scratches and sanding marks with a machine polisher.
• Why it stands out: It is built to remove defects instead of filling them, and the water-based, silicon-free formula is easier to live with around paint work.
• Worth knowing: This is aimed at machine application and actual correction work. If you only want a light finishing polish, look lighter on the cut scale.

• What is this product used for? It is a polishing compound used for machine polishing and defect removal on paintwork, metals, and composites.
• Can it remove sanding marks? Supplementary product data states it is designed to remove P1200 and finer scratches.
• Is it safe for freshly painted surfaces? Yes. Source data says it is intended for both freshly applied and established paintwork.
• Is the formula silicone-free? Yes. Source data describes it as water-based and silicon-free.