This is a bottle of Hobbytech Medium CA Super Glue 1oz, 28.3g.

Hobbytech CA (Cyanoacrylate), more commonly known as Super Glue, is a strong, reliable adhesive that will bond with virtually anything. 

With a choice of 3 viscosities, Thick for gap filling and longer working time, Medium for a balance between working and filling and Thin for faster setting time, Hobbytech CA Glue will work on most projects such as plastic and wooden models, RC repairs, carbon fibre and much more!

Unlike traditional glues which tend to be water-based, CA glue is composed of an acrylic resin. The main ingredient in cyanoacrylate glue is cyanoacrylate, which is an acrylic monomer that transforms to a plastic state after curing.

CA glue is also different from traditional glue, due to the way it bonds. This is because CA glue can only bond with a surface when there is moisture, which means when CA glue is placed on a dry surface, it wont react or stick to the surface nor will it form a bond. 

When moisture is present however, the molecules in the glue will respond to form chain in between the surfaces in contact. This reaction occurs almost instantly and is again different to more traditional glues where evaporation of the liquid is the reason for the glue setting.