English
KN95 masks are divided into two categories based on the structure of the mask: disposable masks and replaceable half masks, in accordance with the GB 2626-2019 standard for respiratory protection, self-priming filter type particulate matter respirators. Both can reach KN95 level in terms of protection level (with a filtration efficiency of not less than 95% for non oily particles above 0.075 microns), but there are differences in structural design, usage, and applicable scenarios. The Fangdun brand has KN95 protective products that are suitable for different scenarios. The following will explain the specific models.
Disposable face mask: a convenient choice for short-term work
The disposable face mask is an integrated molding structure, including two forms: folding and cup-shaped. It is mainly composed of filter material to form the mask body, which is a non removable half mask with or without an exhalation valve. After use, it should be discarded as a whole and cannot be cleaned or reused. Any component that fails should be discarded immediately.
FangdunF9501 KN95 ear strap dust mask is a representative of this type of product. This model adopts a folding design and uses KN95 grade melt blown layer as the core filter material, effectively filtering particles ≤ 0.3 microns. The nylon ultra soft material ear strap, combined with 3D cutting and adjustable nose bridge strip, aims to enhance wearing comfort.
The disposable face mask is suitable for short-term or intermittent protective operations. Typical work scenarios include:
-Non oily dust generated during operations such as grinding, sandpaper polishing, cleaning, sawing, and bagging
-Particle protection during the processing of materials such as ore, coal, iron ore, flour, metals, wood, etc
-Wall polishing, putty powder mixing, tile cutting and other dusty operations during decoration construction
-Conventional low and medium concentration dust working environments, such as daily wood dust protection
The disposable face mask is easy to use and can be used immediately, making it suitable for work scenarios with short working hours or discontinuous dust exposure.
Removable Half Face Mask: A Reliable Choice for Long term Operations
The replaceable half face mask body can be reused, and continuous protection is achieved by replacing the filter element. The main body of the face mask is made of materials such as silicone, which fits more tightly to the face and has better air tightness than disposable face masks. After the filter cotton reaches dust saturation, it can be replaced separately, and the mask body can be reused multiple times.
Fangdun7100F silicone half mask is a representative of this type of product. This model adopts a single filter element design, and the cover is made of soft silicone material, which fits comfortably with the face. The grille style large air intake design covers 70% of the filter cotton clip, providing more sufficient air intake and lower breathing resistance compared to the small air intake design. The PE soft material headband has moderate elasticity, reducing pressure on the head. The large air inlet design of the cotton filter clip is easy to disassemble and replace the cotton filter. This mask can be used with KN95 or KN100 grade filter cotton.
The replaceable half face mask is suitable for work scenarios with high dust concentration or requiring long-term continuous protection:
-Industrial production workshop: dust generation environment for mechanical processing, polishing, etc
-Mines and Quarries: Dust Protection during Ore Mining and Crushing Processes
-Production operations in industries such as casting, cement, and building materials manufacturing
-Working environments that generate dust such as welding, mining, and chemical industries
-Coal mining operation scene, capable of protecting against particulate matter such as coal dust
Precautions for use
Both types of face masks are not suitable for protecting against oily particles (such as kitchen fumes, diesel exhaust, etc.), and KP series products should be selected for oily environments. Not suitable for special scenarios such as oxygen deficient environments, underwater operations, evacuation, and firefighting. Before wearing, check if the mask components are intact and ensure a tight fit with the face without any air leakage. When respiratory resistance increases or the mask is significantly contaminated, the filter material or mask should be replaced in a timely manner.
