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What are processes that bond nonwoven fabric veils together? 


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Processes that bond nonwoven fabric veils together include spunbond, meltblown, and hot air fusion techniques. Spunbond and meltblown processes are commonly used for nonwoven fabric production . The spunbond method involves heating and melting polypropylene, filtering, spinning, cooling, drafting, yarn distribution, mesh laying, heat bonding, rolling, slitting, and packaging steps . Hot air fusion techniques entail conveying a thermoplastic-fiber-containing web to a heated support, blowing hot air to impart a rugged shape, provisionally fusion-bonding fibers with first hot air, and then using second hot air at a higher temperature to fix the rugged shape . These processes ensure the bonding of nonwoven fabric veils while maintaining desired properties and applications.

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The process involves heating, melting, filtering, spinning, cooling, drafting, yarn distribution, mesh laying, heat bonding, rolling, slitting, and packaging to bond nonwoven fabric veils together.
The process involves heating a thermoplastic-fiber-containing web on a rugged support, using hot air to provisionally bond fibers, and then applying hotter air to fix the rugged shape.
The process involves heating a thermoplastic-fiber-containing web on a rugged support, using hot air to provisionally bond fibers, then applying hotter air to fix the rugged shape by bonding fibers permanently.
Processes for bonding nonwoven fabric veils include spunbond and meltblown techniques, as outlined in the paper on nonwoven production processes.
The process involves quenching melt-spun filaments through nozzles with divided quench air, drawing them, and depositing on a collector surface, with the quench air also acting as drawing air.

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