Washing Fastness tester is suitable Instrument for determining the Color Fastness of Textile material irrespective of their Composition (Cotton, Linen, Silk, Man-made Fibres, Wool) and their Form (Fibre, Yarn or Fabric) to WASHING. Paramount offers Washing Fastness tester of the best quality and at the best price which gives accurate results Paramount DigiWash i9â„¢ (ISO & AATCC) is a special equipment to determining the Color Fastness To Washing for all types of fabric, yarn, fiber. its main unit is constructed in high-grade 304 stainless steel. The process control systems provide excellent accuracy and repeatability. Any Textile fabric is contact with pieces of Adjacent Fabric (Standard Adjacent Fabric) is mechanically agitated in a Standard Soap Solution (Sodium Oleate Solution) / ECE Detergent / AATCC Detergent, before being rinsed and dried. The change in color of the Specimen and the staining of the Standard Fabric are assessed with Standard Grey Scales.