Excessive heat will deform the respirator and prevent it from having a good face to mask seal. Excessive heat will deform the respirator and prevent it from having a good face to mask seal. Excessive cold can cause cracks in the facepiece causing leaks. High humidity areas. Extremely humid conditions will make it difficult to maintain a good mask to face seal.
Toxic chemicals can cause dermatitis or facial burns.
Store the respirator in such a manner as to prevent the facepiece from being deformed. Do not hang the respirator from the straps. Store the filters, cartridges or canisters separately from the facepiece. The weight of these can deform the respirator over a period of time. All respirators must be inspected before and after each use and at least monthly.