After the fiberglass material of the caravan is damaged, it is necessary to grind the surrounding area of the damaged part to 45 degrees, and then use sandpaper to grind it nearby. The width of the grinding is about 100mm, then clean it, and finally cut out three pieces of glass fiber to cover and paste.
Glass fiber is a kind of inorganic non-metallic material with excellent performance, and there are many kinds. Its advantages are good insulation, strong heat resistance, good corrosion resistance, and high mechanical strength, but its disadvantages are high brittleness and poor wear resistance. It is made of glass balls or waste glass through high-temperature melting, wire drawing, winding, weaving and other processes. The diameter of the monofilament is several microns to more than 20 microns, which is equivalent to 1/20-1/5 of a hair, and each bundle of fiber precursors is composed of hundreds or even thousands of monofilaments. Glass fibers are usually used as reinforcing materials, electrical insulation materials and heat insulation materials in national economic fields such as composite materials and circuit substrates.
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