1.High quality natural rubber. 2.Double inturned lip seal. Low leakage. 3.Certificate: ISO9001:2008. 4.Broad View.
TF6D 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:
activated carbon filter gas mask
