Frequently asked questions about Chemicals

Read our frequently asked questions about Chemicals. Answers with practical tips from real CROP specialists. Finished reading? Then go to all Chemicals.

Does rust converter turn black?

Yes, a rust converter turns black once it has dried. When the rust converter is black, you can apply a new layer of paint, varnish, or coating Read more

What can I use to degrease?

You can degrease using a degreasing agent or cleaning product. These are special products designed to remove grease from paint, coatings, or surfaces. Read more

Can I degrease with brake cleaner?

Although people use brake cleaner for degreasing, we do not recommend it. Brake cleaner contains acids that can cause paint to crack, chip, or react. Always use a high-quality degreaser instead. Read more

How to degrease car paint?

To degrease car paint, you'll need a degreaser specifically designed for automotive surfaces. First, apply the degreaser to the car paint using one cloth. Then, use a second clean cloth to wipe off the degreaser. This process ensures that the surface is thoroughly cleaned and free of grease, making it ready for further treatment or painting. Always use two cloths—one for application and the other for removal—to ensure the best results. Read more

Does a rust converter need a primer?

No, a primer is not required over a rust converter. As the name suggests, the rust converter encapsulates the rust and transforms it into a layer that acts like a primer, preventing further rusting. You can apply automotive paint, 2K paint, varnish, or a coating directly over a rust converter Read more