Non-wovens are a sheet, web or bat of natural and or manmade fibres or filaments, excluding paper, that have not been covered into yarns, and that are bonded to each other by any of several means.
Non wovens are flexible porous product consisting of one or more fibre layers. The separate fibres may either be preferentially oriented in one direction or may be deposited in a random manner. They are bonded by chemical, thermal or mechanical processes into textile products. Non woven are mainly planner structures.
This relatively young branch of textile industry has expanded enormously after the Second World War, because of the high production rates & the resulting cost savings.
Characteristics of non-woven fabrics:
The particular set of properties that a non-woven fabric may have is dependent upon the combination of factors in its production.
The range of characteristics is wide. Some characteristic is given below: