laminate wood board
Laminate products can be processed into a variety of insulation and structural components, widely used in motors, transformers, high and low voltage electrical appliances, electrical instrumentation and electronic equipment. Laminates can be plates, tubes, rods, or other shapes.
With the development of the electrical industry, high insulation. High-strength, high-temperature resistance and laminating plastic products adapted to various environments have emerged one after another. Copper-clad laminates for printed circuits have also developed rapidly due to the needs of the electronics industry. Laminated products for electrical and electronic use in China have gradually developed after the liberation. China’s thermoset laminates have formed a relatively complete series.
The properties of laminates depend on the substrate and the binder and the molding process. According to its composition, characteristics, and heat resistance, laminated products can be classified into the following two types.
(1) Organic Substrate Laminate – Reinforced with wood pulp insulation paper, cotton fiber paper, cotton cloth, etc. The long-term use temperature can reach 120°C, and synthetic fiber products have also been developed as reinforcing materials.
(2) Inorganic substrate laminates – Reinforced with inorganic glass fiber cloths, E-glass fiber mats, etc. Long-term use temperature is 130 ~ 180 °C, even up to higher temperatures, depending on the adhesive resin.
Laminated plastic products are classified into laminates, laminates, laminated rods, and molded laminates according to shape and application. Copper clad laminates for printed circuits and adhesive capacitor sleeves used as high-voltage electrical capacitance sleeves are two types of special laminated plastic products.
Application of Laminate Phenolic Laminate Paper Sheets (Phenolic Sheets Applied in Different Seasons) High mechanical strength, excellent moisture and heat resistance, good electrical properties (due to poor fabric layout), easy processing, and extensive processing in electrical products application. Phenolic paper, cloth density of about 1.35g/cm³, lighter than aluminum, used in aviation and other structures.
Phenolic laminates are chemically resistant, resistant to organic solvents, organic acids, and dilute inorganic acids. They are suitable for many chemical equipment and are generally not suitable for alkaline media.
Laminated cardboard can withstand sawing, drilling, turning, milling, planing and other processing, after processing, there should be no cracks and dregs, thickness can be punched in the following 3mm processing, cold punching without heating, general models need to be pre- Hot punching. They are used for insulation parts of high and low voltage electrical appliances and electronic industry, respectively.
The cloth plate processing performance is better than the cardboard, glass cloth plate, the adhesive strength and the impact strength are higher than the cardboard, but the water absorption is large, the electrical insulation after the moisture absorption is reduced, and the mold is easy to be used, and is not suitable for the hot and humid regions. Therefore, it is generally used as insulation structural parts of low-voltage electrical appliances, such as washers, slot wedges, and screws. There are many types of glass cloth, and their properties vary with the binder resin. Compared with other laminates, glass cloth has higher mechanical strength and heat resistance. Under the effect of high temperature, its bending resistance Although the tensile strength and tensile strength of sheet metal have been reduced, they are still higher than those of cardboard and adhesive sheet.
The melamine glass cloth has high strength, arc resistance and flame resistance, and is particularly suitable for marine electrical appliances. Epoxy phenolic glass cloth board, silicone epoxy glass cloth board, diphenyl ether glass cloth board, polyimide glass cloth board, polyamineimide glass cloth board, etc., good dielectric properties, and higher Heat resistance and flame resistance, so it is a good dielectric insulation material. Among them, the most widely used is the epoxy phenolic glass cloth board.
Due to its excellent performance in many aspects, glass cloth panels are widely used in industries such as electrical, construction, chemical, electronics, aircraft, aerospace, automobiles, electric vehicles, and ships.
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