Why are masks made of melt-blown non-woven composite filter material?

Why are masks made of melt-blown non-woven composite filter material?

Melt-blown cloth has a unique capillary structure of ultra-fine fibers that increases the number and surface area of ​​fibers per unit area, thus making melt-blown cloth have good air filtration properties and …

What is an overview of Teflon liquid filtration membrane?

What is an overview of Teflon liquid filtration membrane?

Teflon liquid filtration membrane water treatment is a solid-liquid separation technology. It filters water through membrane pores and intercepts impurities in the water without chemical changes. It is a simple…

What is melt-blown non-woven composite filter material?

What is melt-blown non-woven composite filter material?

Melt-blown cloth uses polypropylene as the main raw material, and the fiber diameter can reach 1 to 5 microns. These ultra-fine fibers with unique capillary structure increase the number and surface area of ​​f…

What is the production process of melt-blown non-woven composite filter material?

What is the production process of melt-blown non-woven composite filter material?

Melt-blown cloth uses high-speed hot air flow to draw the thin stream of polymer melt extruded from the die spinneret, thereby forming ultra-fine fibers and collecting them on the coagulation curtain or roller,…

Is PTFE base film a plastic film?

Is PTFE base film a plastic film?

PTFE base film is a plastic film, which is a thin, soft and transparent sheet. Made of plastic, adhesive, rubber or other materials. The scientific explanation of thin film is: a 2-dimensional material formed b…

Why is ptfe base film called a special material?

Why is ptfe base film called a special material?

It is well known that Teflon (polytetrafluoroethylene, PTFE) has excellent chemical resistance, high and low temperature resistance, aging resistance, low friction, dielectric properties, non-stickiness, and ph…

What are the physical properties of ptfe base tape film?

What are the physical properties of ptfe base tape film?

The ptfe base tape film has excellent chemical corrosion resistance and dielectric properties. It is not aging and non-stick. It can be used at -180%°C-+260°C under no load conditions. It can be used in solid m…

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What is the development status of ptfe biaxially stretched film?

What is the development status of ptfe biaxially stretched film?

Since the middle of the last century, ptfe biaxially oriented film has been successfully used in a wide range of industrial fields, such as separation of special metal ions from liquid phase, industrial water t…

May I ask at what temperature the material ptfe black film can be used?

May I ask at what temperature the material ptfe black film can be used?

The crystallinity of ptfe black film products is 55%~75%. When the temperature is greater than 327°C, the crystallization disappears and the product is completely transparent. Because in the molecular structure…

How is ptfe biaxially stretched film produced?

How is ptfe biaxially stretched film produced?

PTFE biaxially stretched film is made by fully mixing PTFE polytetrafluoroethylene fine powder with additives and then entering the extruder. The powder is pushed and extruded into strips of PTFE, and then roll…


 
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