Laminate is made up of two or more layers of impregnated with a resin fiber or fabric overlay, pressing into the whole. Laminate is a laminate.
Laminates can be processed into a variety of insulation and structural parts, widely used in motors, transformers, high and low voltage electrical equipment, electrical instruments and electronic equipment. Laminates can be sheets, tubes, rods, or other shapes.
With the development of electrical industry, high insulating properties. High strength, high temperature resistance and adapt to the environment of laminated plastic products have appeared. Copper-Clad Laminates for printed circuits also needs rapid development of the electronics industry. Used in electrical and electronic products was developed after the liberation. Thermoset laminates in China has formed a relatively complete series.
Performance depending on the substrate and the adhesive and laminate molding process. Depending on their composition, properties and heat resistance, laminated products can be divided into the following two types.
(1) the organic substrate laminated products-wood pulp paper, fiber paper, cotton cloth, such as reinforcing material. Long-term service temperature up to 120 ℃, synthetic products were also developed for reinforcements.
(2) inorganic substrate laminate – inorganic glass fiber cloth, alkali-free glass fiber mat reinforced. Long-term temperature is 130~180℃, even up to a higher temperature, varies with adhesive resin. 
Laminated plastic products according to the shape and purpose into laminate, laminated tubes, laminated and molded products. Printed circuit copper-clad laminates and as high-voltage electrical capacitive type capacitor casing casing plastic core, is of two kinds of special laminated plastic products.
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