Anaerobic adhesives are applied to metal materials such as steel and aluminum, which can cure quickly and have strong adhesion. However, for non reactive metal surfaces such as zinc and nickel, using such anaerobic adhesives requires applying a layer of active treatment agent on the metal surface before bonding to accelerate solidification and improve adhesion. Anaerobic adhesives are single component adhesives with good stability, permeability, shock absorption, rust prevention, and sealing properties. At the same time, these adhesives are solvent-free, non-volatile, and have high safety performance.
 
 
The technology and performance of manufacturing in the automotive industry are constantly improving, and adhesives have become an indispensable and important auxiliary material in automotive production. In the automotive manufacturing industry, sealants, anaerobic adhesives, etc. are used, among which anaerobic adhesives can play a role in shock absorption, heat insulation, fastening and rust prevention.
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Anaerobic adhesives are mainly used in automotive power systems to firmly and tightly seal screws, bolts, cylinder gaskets, pipelines, and flanges. They are used to deal with situations such as loose threads, pipeline leaks, and oil leaks in automobiles. During the casting process, car engines may produce sand holes. If water glass infiltration is used, it may result in poor sealing. However, using high-temperature resistant anaerobic adhesives for infiltration will have a good sealing effect. High viscosity anaerobic adhesives can be used to hold and seal automotive engine cylinder heads, transmission double headed bolts, bolts that are not often disassembled, collective process bodies, cylindrical bowl shaped plug drive axle differential housing connection bolts, circular shaft gears and differential fixing bolts, etc. In addition, automotive gaskets cannot guarantee sealing performance and geometric accuracy of connecting components, but anaerobic adhesive flat sealing can achieve automotive gasket sealing. Low strength anaerobic adhesives can be used for components that are frequently disassembled in cars.
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The birth of anaerobic planar sealing technology has revolutionized flange sealing, heavy equipment assembly, and the manufacturing of various hydraulic devices in the automotive industry. Letai is a professional provider of industrial bonding technology solutions, which can maintain a liquid state when in contact with oxygen and solidify when the flange is tightly fitted. Anaerobic flat sealants are most suitable for small gap applications and rigid metal to metal assembly operations.