What kind of good filter air purifier? HEPA filter high efficiency particulate air filter (HEPA) is one of the hottest technologies used in air purification.The standard HEPA filter can absorb 99.The size of 7% is 0.Suspended particles of 3 microns (0.3 Micron is the most difficult size to filter ),But its wind resistance is also relatively large,It is rarely used in air purifiers,The HEPA claimed by the actual air purifier manufacturer is actually the real HEPA. its filtration efficiency is slightly lower than that of HEPA,Wind resistance is also relatively low.Whether it's a real HEPA or a well-publicized HEPA, the air sucked in is fresher and cleaner.The filter absorbs chemical smoke, bacteria, dust particles and pollen,After being filtered by an air purifier,There are no such pollutants in the air.The advantage of HEPA filter is effective and safe,It is the most important technology to remove particulate pollutants in the air,However, the disadvantage is that only suspended particles can be filtered out a
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Does anyone know what fiberglass is? 1,A glass rope made of fiberglass,It can be called 'The King in the rope \'.Since the glass rope is not afraid of seawater corrosion,Will not rust,Therefore, it is suitable for use as a cable.The rope made of synthetic fiber is firm,But it melts at high temperatures,But the glass rope is not afraid,Therefore,The use of glass ropes is particularly safe for the inspectors.2,Glass fiber is processed,A wide variety of glass fabrics can be woven--Glass cloth.Glass cloth is not afraid of acid,Not afraid of alkali,So it's used as a filter cloth for chemical factories,Ideal.In recent years, many factories have adopted glass cloth instead of cotton cloth,Sacks,Make packaging bags.This kind of bag is not bad,Moisture-proof,Durable,It is very popular with people.3,Glass fiber is insulated,Heat-resistant,So it is a very good insulating material.At present,Most electrical and electrical factories in China have used glass fiber as insulation materials in large quantiti
