Antidust and gas-proof half-mask Lepestok - K
Light anti-dust and anti-dust and gas-proof half-mask "Lepestok - K" is intended for individual protection of the respiratory organs from ammonia and simultaneously from aerosols. Facilitated anti-dust and light anti-dust and gas-proof half-mask "Lepestok - K" are applied at multiplicity of excess of allowable concentrations of harmful matters in air, no more:
• On ammonia - 2.5 (50 mg/mЗ);
• On aerosols of any dispersity - 40.
For specialists
Antidust and gas-proof half-mask Lepestok - K
CHARACTERISTICS
1. Mass of a half-mask unpacked - no more than 20g.
2. Initial resistance of a half-mask to a constant airflow at the volumetric charge of 30 l/min - no more than 55 Pа.
3. Period of effective protection from ammonia with the pre-selected initial concentration of 50 mg/mЗ at the volumetric charge of 30 l/min and penetration coefficient of no more than 5 % is not less than 1.5 hours.
4. Coefficient of a penetration of tests - aerosols at an average diameter of particles 0.23-0.34 microns, % - no more than 2 %.
In the use of the half-mask "Lepestok - K" it is necessary to be guided by the “Description and maintenance instruction ".
Warranty period of the validity anti-dust and gas-proof half-mask "Lepestok - K" is a period of 12 months from time of fabrication in case of the observance by the consumer of requirements for external environments, transportation and storage.