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testing, disposable masks for particulate matter
The filtration efficiency of about 50% in the distribution . Woven edge face masks are not designed to fit in most cases
Block can only play the role , is not able to effectively resist the PM2.5 particles. Filtration efficiency of industrial dust masks
Rate of over 50% more than 90% of the particulate matter PM2.5 protection is better. Industrial dust masks and discomfort
Combined civilian workers workplace or special needs staff trained to wear, it may be because the masks
Adhesiveness is too high, resulting in the body to produce a sense of vertigo . evaluate the effectiveness of a protective effect of the mask , not a single
From the filtration efficiency of view, from the filtration efficiency, adaptation to wear , wear time , pH, and other indicators of consolidated formaldehyde content
Combined measure . Meanwhile, Jiangsu Province, the quality supervision department issued a risk warning masks . Currently on the market masks
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