Product Profile
This product is a self-priming, wind-proof and dust-proof half mask. It is an effective protective device for respiratory organs and eyes. It is widely used in various workplaces with high dust concentration and high wind speed. Long-term use can effectively prevent the serious harm of dust (silica dust) to human body.
Structural characteristics
The product is composed of five parts: main body, wind mirror, breathing valve, dust filter box and tie belt. Wind mirrors are treated with anti-fog and hardening, with wide field of vision and superior operation efficiency. The main body is made of non-toxic and odorless plastic material, which has soft contact with the face and good tightness. Respiratory valve piece is made of silicone rubber, which is ageing resistant, non-sticking and non-deforming. The whole structure is compact and reasonable, the shape is beautiful and generous, and it has the characteristics of high dust-proof efficiency, low respiratory resistance, convenient cleaning, economical and durable.
Technical performance
Compliance with GB2626-2006 KN95 Standard
1. Filtration efficiency (>95%)
2. Respiratory resistance <350PA
3. Respiratory resistance <250PA
4. Air tightness of expiratory valve > 20S
5. Visual field below (> 60 degrees)
6. Flammability < 5