N95 Mask, FFP2 Mask, Wholesale Anti Dust manufacturer / supplier in China, offering Wholesale Blue 3 Ply Non-Woven Earloop Disposable Face Mask, High Quality Long Range Control Electric Remote Shock Training Bark Stop Dog Collar, Electric Dog Training Collar Remote Long Range Shock Vibration Collar and so on.
Min. Order / Reference FOB Price | |
---|---|
100000 Piece | US $1.12/ Piece |
Local Area: | Shenzhen, Guangdong, China |
---|---|
R&D Capacity: | OEM, ODM, Other |
Payment Terms: | LC, T/T, PayPal |
Mask Application: | Security Mask |
---|---|
Material: | Superfine Fiber |
Color: | White |
KN95 is a standard Chinese mask
KN95 mask is a kind of mask with particle filtration efficiency in China
KN95 masks and N95 masks are actually the same in terms of particle filtration efficiency
KN95 is Chinese standard and N95 is the American standard
(1) standard source
This standard is a mandatory national standard of China, proposed by the state administration of work safety, and centralized by the national technical committee for standardization of individual protective equipment (SAC/TC 112).
(2) technical content
From the scope of application, this standard is applicable to the common self-absorption and filtration respiratory protective equipment to protect all kinds of particles, such as masks, while other special environments (such as anoxic environment, underwater operation, etc.are not applicable
From the definition of particulate matter, this standard defines various forms of particulate matter, including dust, smoke, fog and microorganisms, but does not define the size of particulate matter.
From the level of filter element, it can be divided into filtering class KN of non-oil particulate matter and filtering class KP of oil and non-oil particulate matter, and it is marked accordingly, which is similar to the N and R/P stipulated in the interpretation guidelines of CFR 42-84-1995.
In terms of filtration efficiency, this standard is similar to the N series masks specified in the CFR 42-84-1995 interpretation guidelines:
Category and level of filter elements
The particulate matter was detected with sodium chloride
Oil particulate matter detection
KN9090.0% or higher
KN9595.0% or higher
KN100 99.97% or higher
KP9090.0% or higher
KP95 95.0% or higher
KP100 99.97% or higher
In addition, GB 2626-2006 also has general requirements, appearance inspection, leakage, respiratory resistance, breathing valve, dead chamber, field of view, headband, connection and connection parts, lens, air tightness, flammability, cleaning and disinfection, manufacturer shall provide information, packaging and other technical requirements.