Recently, an FFU air purifier sold well on the e-commerce platform, FFU full name Fan Filter Unit, the Chinese name is the fan filter unit, is widely used in clean production lines and other industrial fields.
Such products generally have a clean air volume (CADR) of more than 1000 m3 / h of particulate matter and, in theory, are much more purified than domestic cleaners.
However, recently, Shanghai Environmental Protection Industry Association conducted a survey on the quality and safety of such products and the test results were surprising.
According to CCTV news reports, Shanghai Bureau of Quality Supervision, Inspection and Quarantine selected 13 net sales of a good FFU purifier test found that safety indicators even pass rate of 0, such as the fingers will touch the motor fan, strong electric circuit exposed and so on.
In terms of purification performance, all 13 batches of FFU products are declared formaldehyde purification function, but the actual test, the highest only 30% of the nominal value, the formaldehyde emission of 9 products measured even lower than the lower limit of detection range. Experts say these FFU purifiers have almost no formaldehyde purification capability.
In addition, the test found that 11 models of actual PM2.5 purification capacity of less than 60% of the nominal value.
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