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辽宁省岫岩铅矿研制的 YF-1型压气口罩,经三年多试用改进,证明性能良好,具有体积小、重量轻、呼吸压力低、隔绝性好、正负压两用等特点。在有压缩空气的条件下,适用于接触各种粉尘或有毒气体作业场所。对矽肺病、各种尘埃病、呼吸中毒等,均起到良好的预防作用。经技术鉴定,现已由岫岩铅矿口罩厂批量生产,供应冶金战线广大工人个体防护的需要。
Yiuyan lead ore developed by Liaoning Province YF-1-type gas mask, after more than three years of trial improvement, to prove good performance, with small size, light weight, low respiratory pressure, isolation, positive and negative pressure dual-use characteristics. In compressed air conditions, suitable for contact with a variety of dust or toxic gas workplaces. On silicosis, all kinds of dust disease, respiratory poisoning, all play a good preventive role. The technical appraisal, has now been Xiuyan lead mine masks factory mass production, supply the general metallurgical workers the need for individual protection.