Permabond 2K Primer is a dual-purpose product. It indicates whether or not sufficient surface preparation has been carried out and also contains an adhesion promoter to increase bond strength. It is ideal for preparing metal, glass, plastic, and composites for bonding. When bonding metal, it offers the added advantage of protecting bonded components against corrosion, which also increases long-term durability and bond strength.
When mixed, the red-coloured solution clearly shows surface “wetting ability.” If it can be spread, then the surface is ready for bonding; if the droplets bunch up, more surface preparation is required. Not only does it show you the condition of the surface you wish to bond, but it also helps protect the joint from environmental attack – so well worth considering when bonding assemblies that are due to go underwater or outdoors.
2K Primer Instructions For Use: