As a high-performance insulating material, 3240 epoxy sheet has a wide range of applications in electrical, electronic and electrical fields. Its special properties are derived from its special composition and mechanism of action. This article will elaborate on its main components and mechanism of action in detail.
The main components include alkali-free glass fiber cloth for electrical use and epoxy phenolic resin.
Alkali-free glass fiber cloth for electrical use: As a reinforcing material, alkali-free glass fiber cloth has excellent properties such as high strength, high modulus and low elongation. It can not only improve mechanical strength, but also maintain its good dimensional stability.
Epoxy phenolic resin: As a matrix material, epoxy phenolic resin has excellent electrical properties, heat resistance and moisture resistance. Its molecular structure contains active epoxy groups, which can react chemically with other materials to form strong chemical bonds.
Insulation Performance: The epoxy phenolic resin in the 3240 epoxy sheet has excellent electrical properties. The cured epoxy resin system has high dielectric properties, surface leakage resistance, and arc resistance, making it an excellent insulating material. At the same time, the addition of alkali-free glass fiber cloth further improves its insulation performance.
Mechanical Properties: The high strength and high modulus of alkali-free glass fiber cloth make the 3240 epoxy sheet have high mechanical strength. In addition, the curing process of epoxy phenolic resin is an addition reaction or ring-opening polymerization reaction, and no water or other volatile by-products are released. Therefore, it shows very low shrinkage (less than 2%) during the curing process, ensuring its dimensional stability.
Heat resistance and moisture resistance: Epoxy phenolic resin has good heat resistance and can maintain its performance stability at higher temperatures. At the same time, due to its stable electrical properties in a high humidity environment, it also has good moisture resistance.
Processing performance: It has good machinability and can be cut, drilled, polished and processed as needed, making it convenient to make various insulating accessories and equipment insulating structural parts.
In summary, 3240 epoxy sheet has shown excellent performance in the fields of electrical, electronic and electrical appliances due to its special composition and mechanism of action. Its good insulation performance, mechanical properties, heat resistance and moisture resistance as well as good processing performance make it an indispensable insulating material in these fields.
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