User Instructions用户说明
USE FOR: 产品用于：
These N95 class respirators are suitable with the case of concentration up to 10 times PEL (Permissible Exposure Limit).
N95级防护口罩适用于最高10倍职业允许暴露限值的场合
They are designed to protect against non-oil particles such as those from grinding, sanding, sweeping, sawing, bagging, coal, flour, metal, wood, pollen, and certain other solid substance free of oil. From additional information on the use recommendations for this glass of mask please consult your supervisor or the manufacturer.
它们主要是用于防止非油性颗粒的粉尘，如打磨，锯销、装袋、煤炭、面粉粉尘、金属、木材加工、花粉、和其它固体非油性物质。需要了解更多关于此类口罩的用户说明请咨询相关指导者或生产商。
1. Failure to follow all instructions and limitations concerning the use of the respirator and/or failure to wear the respirator for the whole duration of exposure to contaminants can seriously reduce the performance characteristics of the respirator and lead to illness, injury or death.
未按照本产品使用说明使用或超出使用限制，或在接触有害物过程中一直佩戴，都会降低本产品的防护功能，并可能导致疾病甚至死亡。
2. Before use, the wearer must first be trained by the employer in the correct use of the respirator in accordance with applicable safety and health standards.
在使用本产品之前，佩戴者必须加以培训，明白正确的符合安全和卫生标准的佩戴口罩的方法。
3. OSHA standards including 29CFR1910.134 (e) (5) and CSA standard Z94.4-93 require that the wearer be fit-tested.
OSHA标准包括29CFR1910.134 (e) (5) 以及CSA标准Z94.4-93，使用者需做佩带泄漏测试。
4. Discard the respirator and replace with a new one if:
• Excessive clogging of the respirator causes breathing difficulty.
• The respirator becomes damaged.
丢弃口罩或者更换新口罩
•过度堵塞造成佩戴者呼吸困难；
•口罩受损。
5. Leave the contaminated area if dizziness, irritation or other distress occurs.
如果感觉头晕、刺激或其它不适情况发生，请离开污染场地。
USE LIMITATIONS:
使用限制
Do NOT use the respirator or enter or stay in a contaminated area under the following circumstances:
当进入以下污染环境，禁止使用口罩：
• Atmosphere contains less than 19.5% oxygen
本产品不产生氧气，不能在氧气浓度低于19.5%的缺氧环境中使用。
• For protection against gases or vapors
防止气体或蒸汽
• Contaminants or their concentrations are unknown or immediately dangerous to life or health
不能在有害物未知或浓度达到立即威胁生命和健康的环境中使用
• Concentrations or contaminants exceed maximum use concentrations in applicable OSHA standards or applicable government regulations or 10 times the PEL (Permissible Exposure Limit), whichever is lower
不能在污染物浓度超过OSHA标准，或政府法规范围，或有害物浓度超过10倍职业允许暴露限值的情况下使用。
FITTING INSTRUCTIONS: 佩戴说明
Follow these instructions each time respirator is worn
每次佩戴口罩时，请遵循下述步骤:
1. Hold the respirator in one hand with the nosepiece at your fingertips, allowing the headbands to hang below your hand.
手捧口罩，指尖位于鼻夹位置，让头带自由垂落。
2. Press the respirator against your face with the nosepiece on the bridge of your nose.
将使口罩套于脸部，同时保证口罩的鼻条能紧贴鼻子，以确保密合性。
3. Move the bottom band over your head and position it below your ears. Place the top band high on the back of your head.
将下头带拉至于颈部，位于耳后，同时上头带拉至头部后面较上的位置。
4. Using both hands, mould the nosepiece to the shape of your nose.
使用双手调整鼻条的形状，以确保密合性。
5. Test the fit. Both hands over the respirator and exhale vigorously. If air flows around your nose, tighten the nosepiece. If air leaks around the edges, reposition the bands for better fit.
佩戴测试：用双手捂住口罩呼气，若感觉有气体从鼻子处露出，收紧鼻夹；如果空气从边缘漏出，重新调整头带，确保密合性。
6. Fit-check the face-seal as follows:
佩戴密合性检查如下
• Place both hands over the respirator without disturbing its position.
双手捂住口罩但不移动口罩位置
• If the respirator is not fitted with an exhalation valve, exhale sharply.
如果口罩没有配备呼吸阀，快速呼气。
• If the respirator is fitted with an exhalation valve, inhale sharply (a negative pressure should be felt inside the respirator).
如果口罩配备有呼吸阀，快速吸气（口罩内部会感到负面压力）
• If you detect air-leaks, readjust the head straps and/or the position.
如果你发现漏气，请重新调整头带位置
WARNING: Do NOT use the respirator with beards or other facial hair that interferes with direct contact
between the face and the edge of the respirator, or any other conditions that may prevent a good face-seal.
警告：当面部胡须，毛发或其他情况影响面部与口罩密封垫之间的密合性时不能使用本产品。
