L 'ADHESIVE INSTANT Loctite 406 from 20 g is an instant viscosity adhesive, suitable for bonding plastics and elastomers that require fast setting. This instant adhesive is specially designed for fast bonding of plastic and rubber. The product has an extremely low viscosity. When used in combination with LOCTITE primers for cyanoacrylates, it can also be used on plastic parts that are difficult to attach.