Ningbo Action Packing Co., Ltd

Professional Manufacturer of Non woven Bags and other Reusable Bags !

Home > News > Content
What Is The Softness Of The Pp Non Woven Fabric?
- Sep 29, 2017 -

pp non-woven fabric in the process, due to chemical adhesives, additives or low temperature drying effect, will stimulate the rough feel, stiff shortcomings, which limits the non-woven fabric in some size of the operation. Many health, protection of Non Woven Fabric, such as sanitary napkins fabric. All kinds of clean Sassafil cloth city requirements pp non-woven fabrics have better flexibility, so the need for non-woven health materials for soft liquidation. Often the preparation of the preparation of mechanical and chemical preparation.

1, mechanical rubbing soft clear liquidation

Mechanical rubbing soft and clear liquid if the process of non-woven fabric to rub or shorten, to land its rigidity to achieve the principle of soft, such a soft wheel clearing important two mechanical processing system, that is, the Krappack and the law The

1, the Krappack method

Clarka Kefa first operation in the papermaking property, and then transplanted in the wet Non Woven Fabric, is imitated Sanford Lai machine pre-shrinking liquidation. The following figure, after processing, Non Woven Fabric can get excellent excellent flexibility, and improve the feel. The liquidation of the law depends on the rubber belt thickness, elasticity, fiber characteristics, pressure, fiber structure and heat and moisture conditions.

2, McLeicks law

The McLebs method is very strong for squeezing the pp Non Woven Fabric so that the nonwoven fabric produces a significant crepe, advances to the nonwoven fabric, increases the unit area component as well as the profile product, Parker control, this preparation better to improve the non-woven fabric of the excellent flexibility. The curl of the McLeaks method can be evaluated by the process of optical means, the degree of growth of the unit area or the degree of elongation of the nonwoven fabric. So the law of the liquidation of the end depends largely on the geometry of the crepe area and pp non-woven input and output speed.