99.5% of the PM2.5 purification rate, the formaldehyde purification rate of 99.8%, the VOC purification rate of 100%… Such data are you often see in the air purifier product specifications or business promotion? Yes, the purification rate is usually refers to an air purifier Cadr, which refers to the clean air volume, air purifier purification efficiency per unit time, clean air volume is larger, indicating the ability of the clean machine strong. And this is also the gb/t18801-2015< air purifier GB national standard < > > the new proposed four core indicators.
Effect of air purifier is much, really like business said that a high purification rate? Air purifiers really can haze so efficiently remove formaldehyde, toluene, these harmful pollutants? Domestic has show that a scientific experiment, the results showed the purification effect of 13 kinds of air purifier purification the principle of different, within 1 hours, the product clearance rate of up to 91.9%, the lowest is 9.3%. visible, air purifier products between different purifying effect difference is still quite large.
Therefore, the choice of quality assurance air purifier is particularly important .