Epoxy resin’s excellent electrical insulation and adhesive properties of various materials, as well as the flexibility to other thermosetting plastics, are not available. So it made paint, composite materials, casting materials, adhesives, molding materials and injection molding materials, which have been widely applied in all areas of the national economy.First, paintEpoxy resin accounts for a large proportion in coatings, which are in common:1, excellent chemical resistance, particularly alkali.2, the film adhesion, especially for metal.3, good heat resistance and electrical insulation.4, good paint and color retention.However, bisphenol A epoxy resin coating and poor weather are easy to powder coating and not suitable for outdoor use. Therefore it is mainly used for anti-corrosion epoxy coating paint, metal primer and varnish, but the heterocyclic and alicyclic epoxy resin coating can be made outdoors.Second, adhesiveA variety of metal materials such as aluminum, steel, iron, copper;non-metallic materials such as glass, wood, concrete, etc; thermosetting plastics such as phenolic, amino, unsaturated polyester all have excellent adhesive properties. Structural adhesive epoxy adhesive is an important species.Third, electrical and electronic materialsAs epoxy resin has many unique advantages like high insulation performance, high structural strength and sealing performance. It has widely applied and developed rapidly in high and low voltage electrical appliances, electrical and electronic components and packaging of insulation. Mainly used for:1, Electrical appliances, electrical insulation package, casting parts. Such as solenoid, contactor coils, transformers, dry type transformer high-voltage electrical insulation package, the whole sealed parts. In the electrical industry it has developed rapidly. It has been developed from the pressure casting and vacuum casting to the automatic pressure gel.2, It is widely used in electronic components and circuit encapsulation device, which has become an important and indispensable insulating material in electronics industry.3, Electronic grade epoxy molding compounds are used for semiconductors in recent years. Because of its superior performance, much trends to replace the traditional metal, ceramic and glass packaging.4, Epoxy laminated plastic has a wide range in the electronic and electrical field. Particularly epoxy laminate with rapid development has become one of the basic materials of electronic industry.In addition, the epoxy insulating coatings, adhesives and electrical insulation adhesive also have a large number of applications.Fourth, engineering plastics and compositesEpoxy molding engineering plastics mainly include epoxy molding compounds and epoxy laminated plastic and epoxy foam plastics for high-pressure molding. Epoxy composite materials mainly include epoxy FRP(universal composite materials)and epoxy composite, such as epoxy pultrusion profiles, filament winding of the hollow rotary system products and high-performance composite materials. Epoxy composite material is an important structural and functional materials in chemical, aviation, aerospace, military and other high-tech areas.Fifth, civil engineering materialsThey are primarily used in preservative floors, epoxy mortar and concrete products, tops of the roads and airport runways, rapid repairing materials, reinforcement of foundation grouting materials, construction adhesives and coatings.In the chemical water treatment systems, for various reasons, anion-cation exchange resin has been polluted, especially the pollution of calcium, iron and organic, resulting in the drop of polluted resin. As the structure of the resin is not destroyed, it can be treated appropriately to restore the exchange performance. At the same time analyse the process of the use of resin contamination and take reasonable measures to prevent.