Half facial mask double filter
double filter silica gel half gas mask with Bi-canister is a kind of self-inhalation filter type individual protective equipment, and can effectively protect the wear’s respiratory organs against the harmful of toxic agents.
Description
Application
double filter silica gel half gas mask with Bi-canister is a kind of self-inhalation filter type individual protective equipment, and can effectively protect the wear's respiratory organs against the harmful of toxic agents. The product carry out of the standard GB2890-2009. MF26 is designed for use in different fields such as industry, the agriculture, the scientific organization, and public emergency treatment, etc.
Composition and Characteristic
double filter silica gel half gas maskcomprises of the half face piece, double cartridge, inhalation valve and harness. The harness can be self adjusted for elasticity according to the real situation. The half face piece is made of silica gel and made by injection molding; therefore, it is felt soft texture, comfortable. It possesses advantages of small resistance, long service life, light and easy to use.
Technical Standards
Protection objects and service life of the cartridges
No. of the cartridges | Colors | Protective objects | Test agents | Test concentration (mg/L) | Protective time (min) |
P-B-1 | Gray | Inorganic gas | Hydro-cyanic acid | 1.1 | ≥25 |
Leakage coefficient | Exhalation resistance | Inhalation resistance | Resistance of cartridges | Actual dead spaces | Storage life |
<5% | <50Pa | <20Pa | 80Pa | <1% | 3 years |
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