The glues used in the assembly of automobile engines, chassis, gearboxes and steering gears are all sealants, that is, in order to prevent "three leaks" - oil, gas and water leakage Liquid sealant is applied at the place, and various anaerobic adhesives are applied on some threaded parts to prevent leakage and also have an anti-loosening and tightening effect.
Sealant (sealant/sealing glue) is a sealing material that guides and deforms with the shape of the sealing surface, is not easy to flow, and has a certain adhesiveness. It is an adhesive used to fill configuration gaps for sealing. It has the functions of anti-leakage, waterproof, anti-vibration, sound insulation and heat insulation.
Usually, dry or non-dry viscous materials such as asphalt, natural resin or synthetic resin, natural rubber or synthetic rubber are used as the base material, and inert fillers such as talc, clay, carbon black, titanium dioxide and asbestos are added. Plasticizers, solvents, curing agents, accelerators, etc.