Primer21 base for bonding difficult plastics such as PE, PP, PTFE, Glass, Plexyglass, polystyrene. Use Primer21 before the Colle Cyanoacrylate Super Glue Colle21.
to use Primer21 properly Apply the Primer21 product with the brush provided on the two edges to be glued to prepare the surfaces before gluing with the Colle21 Cyanoacrylate Glue, wait 30 to 40 seconds for the Primer21 product to work, it is advisable to repeat the operation 2/3 time. We can now proceed to the collage by applying the Cyanoacrylate Colle21 Super Glue. In 10 years, Colle21 has created a range of ideal and indispensable products for modeling, DIY, dental prothsists, ongleries, bodybuilders and other activities.