One of the techniques of joining of materials which completes the traditional methods used in the building and renewal of machines (threaded, riveted, welded connections) is the technique of bonding using “Cyanoacrylate Second Glue Technic” and preparation activating surfaces called: “Base Primer” and “Contact Activator”. This technique allows for an effective, versatile and durable bonding all materials, especially materials with very low surface tension and very different physical and chemical properties (e.g. PP, PE, PTFE to other plastics and materials).

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Bonding should be carried out at room temperature with a relative humidity of 40 - 60%. Usually during the bonding process the number of water molecules is sufficient (in dry air it is good to use an activator). A layer of the adhesive applied to one surface is partly squeezed by the second surface, and water molecules quickly polymerize structural material particles, bonding them firmly in a few seconds. This very popular method of bonding, applying glue droplets directly from the dispenser allows to connect only very small pieces. It has a lot of flaws and is not economical. A squeezed adhesive often drips and stains the parts being bonded and bonds your fingers. Applying a uniform and thin layer of an adhesive is only possible using a small paintbrush. The paintbrush significantly facilitates  bonding of both small and large items, especially when joining vertical surfaces, in  corners and areas which are hard to reach. The adhesive should be applied very sparingly only to one surface to be joined.

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