Introduction to Epoxy Resin

1. Molecular Structure: The molecule contains two or more epoxy groups and is mostly formed by the condensation polymerization of epichlorohydrin and bisphenol A or other polyols.

2. Characteristics:

• • Excellent mechanical properties, with high strength and high modulus.

• • Strong adhesion, capable of bonding a variety of materials.

• • Low shrinkage, ensuring stable dimensional accuracy.

• • Good electrical insulation, chemical stability and excellent mold resistance.
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3. Classification:

• • According to the chemical structure, there are glycidyl ether type epoxy resins and so on.
• • According to the application, basic and special epoxy resins are different.

• • According to the curing method, there are self-hardening type and thermosetting type.
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4. Application Areas:

• • In the coating industry, used as anti-corrosion coatings, primers, etc.

• • In the electronic and electrical field, used for insulation encapsulation and potting.

• • In the composite materials field, used to manufacture components for aerospace and other industries.

• • In the adhesive field, used for bonding a variety of materials.

• • In other fields, such as mold making and cultural relic restoration.
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5. Production and Market: The global epoxy resin industry has entered a mature stage. China is the largest producer and consumer country, and it is expected to maintain stable growth in the future.