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pp spunbond nonwoven fabric production line working process

- Sep 07, 2018 -

pp spunbond nonwoven fabric production line working process

Spun bond(spun laid) fabrics are produced by depositing extrude,spun filaments onto a collecting conveyor belt in uniform random manner followed by bonding the fibers.the fibers are separated during the web laying process by air jets or electrostatic charges.the collecting surface is usually perforated to prevent the air stream from deflecting and carrying the fibers in an uncontrolled manner.bonding imparts strength and integrity to the web by applying heated rolls or hot needles to partially melt the polymer and fuse the fibers together.