Frequently asked questions about Primers EN
Read our frequently asked questions about Primers EN. Answers with practical tips from real CROP specialists. Finished reading? Then go to all Primers EN.
What is primer spray paint?
What do you use primer spray paint for?
How long should primer dry?
Do you need to sand primer
Once the primer is dry, you need to sand it. Sanding the primer smooths the surface and lightly roughens the primer layer. This helps the color car paint or 2K paint adhere better to the primer. If you don’t sand the primer, the paint will not adhere as well to the base coat.
Is primer necessary to use?
Basically, primer is necessary to ensure the paint adheres to the surface according to the RAL number. However, if you're spraying this paint over existing paint that is already in good condition, it is not necessary to use a primer. If you're unsure whether a bonding primer is needed, we always recommend using it! Sand off any loose paint first and apply a primer for the best adhesion and durability of the spray paint.
Which color primer should I use?
For some car paint colors, it's important to use the right color primer. In this case, grey primer is the most commonly chosen color for the base coat.
Do you need primer over rust converter?
No, no primer is needed over a rust converter. As the name suggests, it encapsulates and transforms the rust into a primer-like layer, preventing further rusting of the surface. You can directly apply car paint, 2K paint, or a coating over a rust converter.
Do you use filler or primer first?
Primer ensures the adhesion of the color paint you want to spray. For this reason, you apply filler first and then primer, so that the color paint adheres properly to the primer.
