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[Talk about what is spunbonded non-woven fabric]
Release date:[2022/11/23] Is reading[49]次

Spunbonded non-woven fabric is one of the main materials of non-woven fabric is polyester and polypropylene, which has high strength and high temperature resistance. After the polymer is extruded and stretched to form a continuous filament, the filament is laid into a net. The fiber net then becomes a non-woven fabric through self-bonding, thermal bonding, chemical bonding or mechanical reinforcement methods.


The main products of spunbonded non-woven fabrics are polypropylene, polyester (long fiber, staple fiber) non-woven fabrics, our most common and most commonly used applications are non-woven bags, non-woven packaging and so on; It is easy to identify the spunbonded non-woven fabric, generally good bidirectional fastness, the rolling point of the general spunbonded non-woven fabric is diamond.


Characteristics of spunbonded non-woven fabric

Good high temperature resistance, good low temperature resistance (polypropylene can be used in the environment of 150℃ for a long time, polyester can be used in the environment of 260°C for a long time), aging resistance, UV resistance, high elongation, good stability and air permeability, corrosion resistance, sound insulation, moth-proof, non-toxic.


Process flow


Polypropylene: polymer (polypropylene + feedback) - large screw high temperature melt extrusion - filter - metering pump (quantitative transmission) - spinning (spinning inlet up and down stretch suction) - cooling - air traction - net curtain into a net - up and down press roller (pre-reinforced) - rolling mill hot rolling (reinforced) - winding - inverted cloth cutting - weighing packaging - finished products storage

Polyester: Processed polyester slices -- high temperature melting extrusion of large screw culm -- Filter -- metering pump (quantitative transmission) -- Spinning (drawing up and down at the spinning entrance) -- cooling -- air traction -- net curtain into a net -- upper and lower press roller (pre-reinforcement) -- hot rolling mill (reinforcement) -- winding -- inverted cloth sashing -- weighing and packaging -- finished product storage.


Use of spunbonded non-woven fabric

The application level of spunbonded non-woven cloth can also be made of flower packaging cloth, bag cloth and so on, other is also widely used in agricultural harvest cloth; Medical, industrial disposable products, furniture linings, hotel hygiene products, etc.


Dongyang Lai Chi Environmental Protection Technology Co., Ltd. has an annual output of more than 40 million square meters of elastic non-woven production line, SSS nonwoven production line, SMS non-woven production line, and a series of elastic deep processing equipment, professional production and sales nonwoven fabric, spinning Nonwoven fabricelastic nonwoven fabric, medical nonwoven fabric, is your trusted nonwoven manufacturer .

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