Technical data sheet for BASF 21-20 plastic primer, detailing application, drying times, and VOC compliance for automotive refinishing.
This document provides technical information for BASF 21-20, a primer designed for use on plastic parts to ensure good adhesion between layers. The data is based on existing knowledge and experience, and users are advised to test and adjust based on actual conditions as the information is for general guidance only. This manual is written in German.
| VOC Content | 688 g/l |
|---|---|
| Flash-off Time (2 coats) | 5 minutes |
| Flash-off Time (before midcoat) | 15 minutes |
| Usage | Professionals only |
No, the document states the data is for general information and the product should not be regarded as suitable for special purposes without testing.
The EU standard limit for this type of product is not more than 840 g/l.
Yes, if the flash-off time at 20°C exceeds 30 minutes, the 21-20 primer needs to be re-sprayed before applying the base coat.