Compounds / Polish Cutting (Heavy Cut)

Compounds / Polish Cutting (Heavy Cut)

The compounds – also called cutting polishes or heavy cut – are the most abrasive products used in the car correction process. Designed to eliminate deep defects such as scratches, oxidation or sanding traces, they are the first step in polishing. Dedicated to detailing professionals bodywork and demanding enthusiasts, these products require precision and method to reveal a perfectly smooth base before the finishing stages. Unlike finish polishes softer, cutting compounds directly attack heavy defects to restore the initial shine of a paint.

What is this type of product for?

One cutting compound used for correct major imperfections of the varnished surface. Thanks to its abrasive formulation, it allows remove deep micro stripes, sanding traces P1500 to P3000, or advanced oxidation marks. These products are used first on the body, before being followed by a polish medium then one glossy finish, in order to obtain a perfect rendering. Ideal on varnished paints, lacquers or shell gels, the compound heavy cut constitutes the basis of the correction work in a complete protocol of automotive polishing and polishing.

How to choose the right product?

The choice of the right compound depends on several essential criteria:

• Type of surface : german hard varnish, japanese soft paint, or restored surface.
• Level of correction desired : a stronger abrasive for deep defects, or moderate for maintenance work.
• Compatibility with tool : rotary, orbital or polished on battery.
• Working time and residues Some products, such as the 3M Extreme Fast Cut Plus, are very easy to wipe without dust.
• Level of experience professional compounds require regular pressure and temperature control to avoid overheating of the varnish.

A good one compound heavy cut is above all a stable, regular product and able to provide a homogeneous result without hologram, especially when followed by a polish finish adapted.

Leading brands or products

On Intercash.pro, you will find the most efficient references on the market :

• 3M Perfect-ItTM : a range known for its cutting power and consistency, ideal for carrossers.
• Koch Chemie H9.02 Heavy Cut : a fast, dusty and very popular compound for hard varnishes.
• Meguiars M100 Pro Speed Compound : designed for intensive use, it combines performance and easy wiping.
• Menzerna 300 Heavy Cut : excellent balance between abrasive power and intermediate finish, perfect for demanding enthusiasts.

These products are perfectly integrated into a complete polishing process, alongside the pads and foams for lustres adapted to each cutting level.

Council of the Intercash.pro

To get the best out of a compound heavy cut, always work in small areas (approximately 40 × 40 cm) and cross your passes to ensure uniform correction. Use a rigid cutting foam or wool pad depending on the hardness of the varnish, and adjust the speed of rotation of the lustre. Complete systematically with a polish finish to eliminate residual micro-traces and reveal a perfect shine. Finally, to protect the work performed in a sustainable way, apply a car protection wax or ceramic salting.