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歐標EN149
閱讀：178 發(fā)布時間：2020-7-22| 提 供 商 | 山東德瑞克儀器股份有限公司 | 資料大小 | 195KB |
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A half-mask is defined as one in which the face-piece consists substantially or entirely or of filter material or comprises a face
piece in which the main filter forms an inseparable part of the device.
Respirators which meet the requirements of EN149:2001 are designed to protect against solids, water based aerosols and oil
based aerosols.