Colle 21 - Primer 21
Can be used as a base layer for difficult to bond plastics such as PE, PP, PTFE, Glass, Plexyglass, polystyrene.
Use Primer21 prior to gluing with Cyanoacrylate glue, Super Glue, or Colle21.

Apply a thin layer of primer21 to the parts to be glued. Let it dry for 30-40 seconds.
Apply 2-3 coats. After drying, the parts can be glued.