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How much do you know about fiberglass fabric?

 
  一、The difference between the material of fiberglass cloth and glass!

  Fiberglass fabric is not much different from the main material of glass, mainly due to the different material requirements during production, so there are some differences in the formula. The silica content of flat glass is about 70-75%, and the silica content of glass fiber is generally below 60%.
Glass is an inorganic material melted at high temperature (above 800 degrees, daily glass is generally melted at 1100 degrees), and no chemical changes will occur below the softening point temperature. Above the softening point temperature, it will only soften, melt or decompose, and will not burn.

  Fiberglas cloth is to draw glass into very fine glass filaments, and the glass filaments at this time have good flexibility. Fiberglass cloth is made by spinning glass fiber into yarn, which is then woven through a loom. Because the c glass fiber yarn is extremely thin and the surface area per unit mass is extremely large, the temperature resistance performance is reduced. It's like melting a thin copper wire with a candle.

  But glass doesn't burn. The burning we can see is actually the resin material coated on the surface of the fiber glass fabric to improve the performance of the fiber glass fabric, or the attached impurities. After pure glass fiber cloth or some high temperature resistant coatings, it can be used to make products such as refractory clothing, refractory gloves, and refractory blankets. However, if it is in direct contact with the skin, the broken fibers will irritate the skin and it will be very itchy.

  Precautions:
  Generally, the diameter of conventional glass fiber monofilament is more than 9-13 microns, and the glass fiber floats below 6 microns can directly enter the pulmonary ducts, which can cause respiratory diseases. Therefore, special attention should be paid, and most of them are imported below 6 microns. Professional masks must be worn during production operations. If exposed frequently, it may be inhaled into the lungs and cause pneumoconiosis.
If glass fiber is on the body, those with bad skin will be allergic and itchy, but generally not harmful, and those with bad skin may have small bags, which is an allergy phenomenon, just take some anti-allergic medicine.
If it is difficult to remove it from clothes, pat it a few times in a windy place. After washing it and drying it, it is easier to remove it by patting and batting with branches, etc., and pat it several times!