Melt Blown non woven fabric Introduction
Melt blown is a special technique for manufacturing non woven fabric with very fine fibers, down to 0.5 μm. The fibers are elongated by blowing hot air at high speed concentrically along the fibers. As soon as the molten polymer is extruded from the die holes, high velocity hot air streams (exiting from the top and bottom sides of the die nosepiece) attenuate the polymer streams to form microfibers. As the hot air stream containing the microfibers progresses toward the collector screen, it draws in a large amount of surrounding air that cools and solidifies the fibers.
The solidified Melt blown fibers subsequently get laid randomly onto the collecting screen, forming a self-bonded Melt blown nonwoven web. The fibers are generally laid randomly (and also highly entangled) because of the turbulence in the air stream. The collector speed and the collector distance from the die nosepiece can be varied to produce a variety of melt-blown webs. Usually, a vacuum is applied to the inside of the collector screen to withdraw the hot air and enhance the fiber laying process.
The Melt Blown non woven fabric is usually wound onto a cardboard core and processed further according to the end-use requirement. We can provide precise slitting and special packaging of odor free pure polypropylene that are required to meet the specific demands of the medical industry.
Melt Blown non woven fabric Specifications
We can provide different standard melt blown used for different products, especially 20g/sm-30g/sm BFE 99% melt-blown are widely used to produce medical face masks, surgical face masks, and sell very well and popular in different industries field.
Face Masks made of BFE99% melt-blown nonwoven fabric can effectively block the spread of bacteria. It avoids cross-infection among people and the spread of various bacteria in different seasons. It can also effectively prevent pollen allergy and reduce the harm of harmful objects to human body. It is favored by doctors, nurses, and other medical workers.
Narrow slit widths down to 6 inch and basis weights in the 0.5 to 1 opsy range are used to make surgical mask.
|Function||Anti-Bacteria, Breathable, ect|
|g/㎡||20gsm 30gsm 40gsm 50gsm|
Applications of meltblown material
The melt blown non woven fabric is a important component for making face masks that protect medical workers from the new coronavirus. This melt blown filter fabric is the key part of respirators which can provide majority of the protection.It can be widely used in disposable respirator, surgical mask, face mask, re-used dust respirators and surgical respirators.As the virus spreads around the world, those face masks are in short supply. Now nonwoven polypropylene can also be used as a filtration media, medical fabrics, sanitary products, oil asorbants, apparel, hot melt ahesives and electronic specialities.
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