How to choose dust mask

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1. Safety: it should have effective protection for superfine powder, truly achieve protective effect, According to The latest standard (GB2626-2006), the protective grade has been divided into N90 (filtration efficiency is 90%), N95 (filtration efficiency is 95%) and N100 (filtration efficiency is 100%) 2. Comfortable: It should be comfortable when user wears, the person who wear it most worked in high level industry, if it is not comfortable, workers are unwilling to wear or take off it frequently , thus will lose itself protective effect, but if it comfortable with low respiratory resistance, the working efficiency can increase 60%. So when you choose dust mask, please check its comfort level and respiratory resistance. 3. Economic: should can reduce the comprehensive budget in respiratory protective of the corporation, you should choose the durable suit which contains mask and dust proof element based on comfortable and economic more information, check: