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SMS nonwoven combined off-line process

Yiwu Guanghong Non-Woven Co.,Ltd | Updated: Sep 03, 2016

Combined off-line process refers to the first by the spunbond and melt-blown two crafts respectively produce spunbond and meltblown, then the compound equipment will be combined to form two non-woven cloth SMS compound non-woven fabric, the so-called method of SMS. Composite offline SMS after 3 process, first by the spunbond production line to produce spunbond fabric, meltblown production line produces meltblown, then two layers of Spunbond fabric holding a meltblown layer, through a dedicated hot laminating machine hot rolled or ultrasonic bonding SMS composite nonwovens.

Composite production offline SMS has the advantage of small investment, quick, flexible, suitable for small orders, via melt-blown non-woven fabric composite with high content of products to improve the water resistance of the composite properties. Composite production offline SMS product's weakness lies in its product performance is not satisfactory, for example, meltblown production alone, because there are no spun-bonded fabric support, melt-blown flexible process to adjust, it's hard to improve product properties such as breathability, resistance to hydrostatic pressure; And because of melt-blown fabric strength, mechanical drawing the 3D structure of melt-blown easy to break, thus meltblown offline SMS products weight is hard to drop down, barrier properties and hydrostatic pressure resistance is due to slight losses in melt-blown fabric under tension. Such complex SMS product, its uniformity is difficult to control. In addition, offline SMS products manufactured by compound, after 3 glue, permeability is greatly reduced.

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