| Vital Test | CO2 Content of Inhalation Air (Clause 5.7 of IS 9473:2002 and EN 149:2001+A1:2009) | CO2 Content of Inhalation Air (Clause 5.7 of IS 9473:2002 and EN 149:2001+A1:2009) | Breathing Resistance (Clause 5.11 of IS 9473:2002 and EN 149:2001+A1:2009) | Breathing Resistance (Clause 5.11 of IS 9473:2002 and EN 149:2001+A1:2009) | Particulate Filtering Efficiency (Clause 5.4.2 of IS 9473:2002 and EN 149:2001+A1:2009) | Total Inward Leakage (Clause 5.4.1 of IS 9473:2002 and EN 149:2001+A1:2009) | Particulate Filtering Efficiency (Clause 5.4.2 of IS 9473:2002 and EN 149:2001+A1:2009) | Total Inward Leakage (Clause 5.4.1 of IS 9473:2002 and EN 149:2001+A1:2009) | Flammability (Clause 5.6 of IS 9473:2002 and EN 149:2001+A1:2009) | Flammability (Clause 5.6 of IS 9473:2002 and EN 149:2001+A1:2009) | Bacterial Filtering Efficiency | Bacterial Filtering Efficiency |
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| Requirement as per Standard | Carbon dioxide content of the inhalation air (dead space) should not exceed an average of 1% (by vol.) | Carbon dioxide content of the inhalation air (dead space) should not exceed an average of 1% (by vol.) | Inhalation Flow- 30 l/min: Should be less than 0.6 mbar Inhalation Flow- 95 l/min: Should be less than 2.1 mbar Exhalation Flow- 160 l/min: Should be less than 3.0 mbar | Inhalation Flow- 30 l/min: Should be less than 0.6 mbar Inhalation Flow- 95 l/min: Should be less than 2.1 mbar Exhalation Flow- 160 l/min: Should be less than 3.0 mbar | Requirement as per standard- 80% | The arithmetic mean of the total inward leakage of at least 8 out of 10 subjects should not be greater than 22% The arithmetic mean of the total inward leakage of at least 46 subjects should not be greater than 25% | Requirement as per standard- 80% | The arithmetic mean of the total inward leakage of at least 8 out of 10 subjects should not be greater than 22% The arithmetic mean of the total inward leakage of at least 46 subjects should not be greater than 25% | The face mask when subject to pass the flame once at the specified speed should not continue to burn after removal of flame | The face mask when subject to pass the flame once at the specified speed should not continue to burn after removal of flame | Bacterial filtering efficiency should be >90% | Bacterial filtering efficiency should be >90% |
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| KARAM Respirator | < 0.5% | < 0.4% | 0.3 mbar 1.5 mbar 1.9 mbar | 0.4 mbar 1.2 mbar 1.2 mbar | Exceeds 90% | 2.44% 7.08% | Exceeds 90% | 2.78% 3.58% | KARAM Respirator does not continue to burn after removal of flame | KARAM Respirator does not continue to burn after removal of flame | > 99% | > 90% |
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