风口棉和针刺棉的区别

2025年04月07日 18:40
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风口棉和针刺棉最的区别:

1、可清洗性:风口棉属于不可清洗过滤棉,针刺棉属于可清洗过滤棉(可清洗2-3次)。
2、过滤级别:风口棉过滤级别有G2、G3、G4,针刺棉过滤级别有G3、G4、F5。
风口棉生产工艺流程:混棉→开松→整理→铺网→热风定型和凉风定型。
风口棉制作原理:根据客户的要求制定配方,包括纤维的配比和克重的把握以及损耗的计算。准备原材料由机器的传送带将棉运往梳理机进行2次梳理之后进入下道工序。吐棉机将过滤棉一层一层均匀平铺于传送带上,这里需要注意的是要严格要求过滤棉平铺均匀。然后是热风定型进入烘干设备中,它将空气过滤棉高温烘干后,纤维与纤维之间紧密相连。最后裁剪成卷,这种使用热风成型的初效过滤棉成为热风棉。
针刺棉生产工艺流程:开松→混合→梳理→铺网→预刺→主刺→喷胶→烘干→打卷。
针刺棉制作原理:利用三角截面(或其它截面)棱边带倒钩的刺针对纤网进行反复穿刺。倒钩穿过纤网时,将纤网表面和局部里层纤维强迫刺入纤网内部。由于纤维之间的摩擦作用,原来蓬松的纤网被压缩。刺针退出纤网时,刺入的纤维束脱离倒钩而留在纤网中,这样,许多纤维束纠缠住纤网使其不能再恢复原来的蓬松状态。经过许多次的针刺,相当多的纤维束被刺入纤网,使纤网中纤维互相缠结,从而形成具有一定强力和厚度的针刺法非织造材料。

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