By D Gopalakrishnan Sardar Vallabhbhai Patel institute of Textile management, Coimbatore 641004 Nonwoven fabrics are defined as Web Structures made by bonding or interlocking fibres or filaments by Mechanical, Thermal, Chemical or Solvent means The predicated growth for the use of synthetic fibres in nonwovens is sufficient guarantee of continued efforts on the part of fibre produces Spun bonded technique offer superior tensile properties at a weight of fabric while process modifications of fila.