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.
mouth mask costumes
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
The material most commonly used to make them is polypropylene, either 20 or 25 grams per square meter (gsm) in density. Masks can also be made of polystyrene, polycarbonate, polyethylene, or polyester. 20 gsm mask material is made in a spunbond process, which involves extruding the melted plastic onto a conveyor.
Canadian government guidelines say reusable cloth masks should be made of at least two layers of tightly-woven fabric, such as cotton or linen. In a new study published by the American Chemical Society , researchers from the University of Chicago tested the filtration efficiencies of common fabrics, including cotton, silk, and polyester-spandex chiffon.
the ,protective, screen effect. Kermel® fibre Polyamide-imide 0 200 400 600 800 1000 0 20 40 60 80 100 Mass loss (%) Thermogravimetric analysis KERMEL®: your solutions from the skin to the outershell Thermostability Kermel® ,fabrics, are stable in flames, and the integrity of the ,clothing, is sufficient to enable the wearer to move away rapidly ...
8/4/2020, · Polypropylene non-woven fibers (used in non-shiny reusable fabric grocery bags, tote bags and wine bags) also make adequate filter fabrics. “This is the same material used in N95 masks, although the thickness and weave are different,” Dalai said.
8/3/2020, · Bottom Line: The Best Materials for DIY Face Masks The best choices for DIY masks are cotton t-shirts, pillowcases, or other cotton materials. These materials filter out approximately 50% of 0.2 micron particles, similar in size to the coronavirus. They are also as easy to breathe through.
Three layers of cotton or silk are also highly protective. WHO recommends that fabric masks have three layers: an inner layer that absorbs, a middle layer that filters, and an outer layer made from a nonabsorbent material like polyester.