Technical term

Pre-cleaning

Pre-cleaning is the chemical or mechanical cleaning performed before polishing and protection. The AVP glossary explains use and practical limits.

Washing methods & exterior care

What does Pre-cleaning mean?

Pre-cleaning is the chemical or mechanical cleaning performed before polishing and protection.

Frequently asked questions

Questions about Pre-cleaning

What is pre-cleaning?

Pre-cleaning is the first controlled stage used to loosen heavy and loose contamination before contact washing.

Which products are used for pre-cleaning?

Depending on contamination and surface, pre-cleaners, snow foam or suitable degreasers are used.

Why is pre-cleaning important?

It removes as much dirt as possible before a mitt or cloth touches the paint, reducing the risk of mechanical scratches.

How long should a pre-cleaner dwell?

According to the product instructions and with regard to temperature and surface. The product must not be allowed to dry.

Must pre-cleaner be rinsed off?

Yes. Loosened dirt and product residue are rinsed off thoroughly before the next washing stage.