welding mask respirator gas mask,chemical gas mask 1.reliable; 2.convenient; 3.respiratory protection. 4.CE certification
Features:
1. Full-face gas mask are newly designed to have excellent airtight ability, more comfortable and long lasting protection.
2. Made by Non-Toxic rubber, soft and durable. Comfortable five-strap harness with roller buckles. Built-in speech diaphragm permits clear communication.3. Full-face respirators offer flexible and freedom for working in variety of industrial environments and temperatures. Wide polycarbonate lens features a dual coating: Scratch resistant on the outside, anti-fog on the inside.4. Full-face respirators offer various configurations available depending on the working environment for the best suit.
Applications:
PaintingWeldingAbatementWoodworkingMetalworkingAutomotiveChemical and pharmaceutical manufacturingPetrochemicalNuclearUtilitiesPrimary metalsthe 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 | ||
welding mask respirator gas mask,chemical gas mask
