Glass fiber (original name: glass fiber or fiberglass) is an inorganic non-metallic material with excellent performance. There are many types of materials, which have the advantages of good insulation, strong heat resistance, good corrosion resistance, and high mechanical strength. Brittle, poor wear resistance. It is made of glass ball or waste glass through high temperature melting, drawing, winding, weaving and other processes. The diameter of the monofilament is several micrometers to twenty micrometers, which is equivalent to a hair wire. 1 / 20-1 / 5, each bundle of fiber filaments is composed of hundreds or even thousands of monofilaments. Glass fiber is generally used as a reinforcing material in composite materials, electrical insulation materials, and thermal insulation materials, circuit boards and other fields of the national economy.
Resin glass fiber used in the general Bosong sculpture factory is high-grade fiber, which has the following characteristics:
Resin fiber is a kind of material containing resin and fiber, such as aramid, carbon fiber, and glass fiber.
Application of resin fiber material: Resin and fiber synthetic fiber can be made into fiber paper or various textiles and used directly as insulation materials. Paper is impregnated with a liquid medium and becomes impregnated paper for capacitor dielectric and cable insulation;
Dipping (coating) with insulating resin (adhesive) and hot pressing, rolled into insulation laminates and rolled products as insulation materials;
Impregnated with an insulating paint to make insulating varnished cloth (belt), lacquer silk, etc. for electrical insulation. The resin fiber material can be used alone or in combination with plant fiber or synthetic fiber as high-temperature resistant insulation.
The resin fiber material is also widely used as the insulation material for superconducting and low-temperature winding wires because it has the following advantages:
① In the superconducting magnet coil, the coolant can permeate all the cross-sections and increase the heat transfer area;
② Ensure that the impregnated paint or encapsulant directly contacts the superconducting fiber and the composite layer. In principle, natural silk, glass fiber, and synthetic fiber can be used as the insulation material for low-temperature wire wrap.
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