Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.
Video of wearing and taking off protective clothing in Hubei Province
We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.
Professional team work and production line which can make nice quality in short time.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
Address：No. 3888, Hutai Road, Baoshan District, Shanghai, China
This 3 ply ,material, is made up from a melt-blown ,material, placed between non-woven fabric. The melt-blown ,material, acts as the ,filter, that stops microbes from entering or exiting the ,mask,. Most surgical ,masks, feature pleats or folds. Commonly, 3 pleats are used allowing the user to expand the ,mask, so it covers the area from the nose to the chin.
The ,filtration, level of a ,mask,, however, depends on the fiber, the way it’s manufactured, the web’s structure, and the fiber’s cross-sectional shape. ,Masks, are made on a machine line that assembles the nonwovens from bobbins, ultrasonically welds the layers together, and stamps the ,masks, with nose strips, ear loops, and other pieces.
Material,: The ,filtration material, on the ,mask, is an electrostatic non-woven polypropylene fiber. Valve: Some disposable N95 ,masks, come with an optional exhalation valve. “The presence of an exhalation valve reduces exhalation resistance, which makes it easier to breathe ...
26/6/2020, · Particle sizes for ,mask filtration, Written: 26 Jun 2020 by Jeremy Howard. Summary: SARS-CoV-2 particles do not float freely in the air. They are expelled as relatively large droplets, which research shows are easily caught by a simple cloth or paper ,mask,.
Our ,masks, are constructed of top quality ,materials, and feature an ePTFE efficiency layer. This ePTFE membrane is a highly engineered ,material, that has long been used in premium industrial ,filtration, products. It is encompassed by a layer of spunbond polypropylene on either side to complete the composite used to make the finished ,masks,.