How to correctly distinguish the good and bad of the gas mask

First, take a close look at the gas mask's design. A good mask should have a narrow band to ensure comfort during long use. A wider band may increase pressure on the head, causing discomfort or headaches over time. The part that covers the mouth and nose should be narrower on the sides to ensure a better seal. If the edges are too wide, it might not fit snugly, especially for people with beards, leading to leaks and reducing the mask’s effectiveness.

The mask’s facepiece should be smooth but not overly shiny. While shine might look nice, it doesn’t improve performance. In fact, some materials can become dull or unattractive after prolonged use. Additionally, check all seams and joints—there should be no roughness or protrusions. These could cause irritation or even injury when worn for extended periods.

Second, use your sense of smell. Before purchasing, you can rub the mask material with your hands until it warms up. As the material heats, its molecular structure becomes more active, revealing any potential issues. Most quality masks will have a mild rubbery or chemical scent, while poor-quality ones may emit strong or unpleasant odors. Masks with little to no smell are generally safer and less likely to irritate sensitive skin, which is important for long-term use.

Third, test the texture. Feel the mask’s surface, seams, buckles, and connections. A well-made mask should feel solid and secure, with no loose stitching or weak points. If the parts are wobbly or poorly constructed, it could lead to failure during critical use. Gas masks are safety equipment, so any manufacturing flaws could result in serious risks, such as cracks or detachment during use.

Currently, several types of materials are used in gas masks. Common ones include rubber (often used in domestic products), synthetic silicone, thermoplastic elastomers (TPE), Hycar (a foreign material name), and injection silicone. Injection silicone is considered one of the most advanced materials, often used in food-grade applications like baby pacifiers. It is safe, non-irritating, and widely used in high-end imported brands. Different rubber and silicone types vary based on their composition, so they are not discussed in detail here.

When selecting a mask, the material should feel smooth without bumps, particles, or strange textures. High gloss does not always mean high quality. The best masks are those that feel comfortable and durable against the skin.

Finally, try wearing the mask. A good fit is essential. When you put it on, the mask should sit tightly against your face, and the straps should be adjusted properly without causing discomfort. There should be no pressure points or scratches on the skin. After securing it, hold the sides of the filter or canister and take a deep breath. The mask should pull inward slightly, indicating a proper seal. If air leaks in, it means the mask is not reliable and should not be used in hazardous environments.

Many workers also wear hard hats alongside gas masks. When briefly leaving a dangerous area, they must remove the helmet first before taking off the mask. Some modern gas masks are designed for this situation, allowing the user to open the headband and hang the mask on their chest, eliminating the need to remove the helmet each time. This feature makes it easier to handle other tasks while keeping the mask accessible, improving efficiency and safety.

China Labor Insurance Network