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TF9D gas mask is a head belt type products, this mask with double inturned lip seal and large window . Wear comfortable, with a low inward leakage, broad view, versatility. Suitable for different head type because of elastic head strap. In the domestic advanced level of the same products.
the standrard:
| The technical standard of face mask(GB2890-2009) | ||||
Item | Full face mask | Half face mask | ||
Big eye window | Binocular window | |||
Inward leakage % | ≤0.05 | ≤0.05 | ≤2 | |
Dead space % | ≤1 | ≤1 | ≤1 | |
View | Total vision % | ≥70 | ≥65 | - |
Binocular field % | ≥55 | ≥24 | ≥65 | |
| Vision degrees below (degree) | ≥35 | ≥35 | ≥35 | |
Inhalation resistance pa | ≤40 | ≤20 | ||
Inhalation valve resistance pa | ≤100 | ≤50 | ||
canisters:
| Type | color | Protection type | Protection against objects(example) | Test agent | Grade 3 filter The concentration of the gas mg/l | Antivirus time min≥ | Grade 2 filter The concentration of the gas mg/l | Antivirus time min≥ |
| Z-B-P3 | Grey with pink stripe | Comprehensive antivirus | hydrocyanic,acid arsenic hydride,phosgene,chloropicrin, benzene,methyl-arsine dichloride,Bromethane,cyanogen chloride,hydrogen phosphide,Diphosgene,Lewisite,mustard gas, poisonous smoke and fog etc | (CNCL) | 3.0 | 50 | 1.1 | 23 |
| P-B | Grey | Comprehensive antivirus | hydrocyanic,acid arsenic hydride,phosgene,chloropicrin, benzene,methyl-arsine dichloride,Bromethane,cyanogen chloride,hydrogen phosphide,Diphosgene,Lewisite, mustard gas | (CNCL) | 3.0 | 50 | ||
| Z-B/CO-P3 | Gray and white with pink stripe | Comprehensive antivirus and carbon monoxide | carbon monoxide, various organic steam, hydrocyanic acid and its derivative,poisonous smoke and fog | (CNCL) (CO) | 3.0 5.8 | 50 100 | ||
| Z-A-P3 | Brown with pink strpe | Against organic gas | organic gas and steam,Acetone,alcohol,Aniline, carbon disulfide,carbon trachloride,Chloroform, Bromethane,Chloropicrin,chloromethane, Chlorine,nitro-paraffin,benzene, poisonous smoke and fog etc | (C6H6) | 16.2 | 115 | 9.7 | 70 |
| P-A | Brown | Against organic gas | organic gas and steam,Acetone,alcohol, Aniline,carbon disulfide,carbon etrachloride,Chloroform,Bromethane, Chloropicrin, chloromethane,Chlorine, nitro-paraffin,benzene | (C6H6) | 16.2 | 115 | ||
| Z-K-P3 | Green with pink stripe | Against ammonia and hydrogen sulfide | ammonia, hydrogen sulfide, poisonous smoke and fog etc | (NH3) | 3.6 | 55 | 2.1 | 25 |
| P-K | Green | Against ammonia and hydrogen sulfide | Ammonia and hydrogen sulfide | (NH3) | 3.6 | 55 | ||
| P-CO | White | Against carbon monoxide | Carbon monoxide | (CO) | 5.8 | 100 | ||
| Z-E-P3 | Yellow with pink stripe | Against acid gas | acidic gas and steam,sulfuric dioxide,chlorine,hydrogen sulfide,phosgene,nitrogen oxide,phosphorus and chloric organic,pesticide,poisonous smoke and fog etc | (SO2) | 13.3 | 30 | 8.0 | 23 |
| P-E | Yellow | Against acid gas | acidic gas and steam,sulfuric dioxide,chlorine,hydrogen sulfide,phosgene,nitrogen oxide,phosphorus and chloric organic,pesticide | (SO2) | 13.3 | 30 | ||
| Z-H2S-P3 | Blue with pink stripe | Against hydrogen sulfide | hydrogen sulfide, poisonous smoke and fog etc | (H2S) | 7.1 | 110 | ||
| P-H2S | Blue | Against hydrogen sulfide | Hydrogen sulfide | (H2S) | 7.1 | 110 | ||