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Classification of finishes
Introduction o Dyeing and printing is not the ultimate steps o Something is required to make the fabric more suitable for end-use o Quality of the fabric in terms of appearance, handle, functionally enhanced by some physical means or by chemicals. o Therefore, ultimate value addition is done to the fabric by finishing.
Finishing o Finishing is one of the essential processes of a processing mill where all bleached, dyed & printed material are subjected before they put on the market. o The aim of the textile finishing is to render textile goods fir for their end uses. Advantages o Improved Appearance - Lustre, Whiteness o Improved Feel which depends on the handle of the fabric and its softness, Fullness, Etc.
o o o o o o o
It improves the wearing qualities - Non soiling, Anticrease. It gives special properties required for particular uses – Waterproofing, Flame proofing, etc. It covers the faults of the original cloth. It increases the weight of the fabric. It increases the sale value of the material. It improves the natural attractiveness of the fabric. It improves the serviceability of the fabric.
Aesthetic Finishes Change or modify the appearance and/or hand feel of the garment & are pleasing to both hand & eye. Functional Finishes Alter or improve the wear ability & performance of fabric or garment & provide for : o o o o o
Additional comfort. Environmental or biological resistance Durability for wear life of garment. Improved care performance Safety measures
Chemical Finishes o Acid, Alkalis, Bleaches, Detergents, Softeners, Resins & other chemical substances cause a reaction & produce permanent change in fabric. o These are also called as WET Finishing Mechanical Finishes o Finishes are applied by mechanical equipment such as drying cylinders, perforated cylinder or stenter frames. o Cause a physical change in the fabric. o Fabrics are handled in dry state. o Also called as DRY Finishing
Classification
Permanent Finishes o Involve a chemical change in the fibre structure. o Once it is applied will not change or alter throughout the life of the fabric. o Effectiveness of finish will withstand throughout the life of the fabric.
Durable Finishes o Effectiveness will withstand for 50-60 cleanings. o Near the end of normal use life of the garment finish is completely removed. o Usually last throughout the life of garment Semi Durable Finishes o Last through 25 – 30 launderings /dry cleaning. o Many are renewable in home laundering / dry cleaning
Temporary Finishes Are removed completely in 1-2 cleanings.
It only add appearance or hand of the fabric i.e. increase the salability of inferior fabric
