Yarn Dyeing Glossary
Technical terminology of yarn dyeing: cones, hanks, mercerization and all the processes of textile finishing.
Gassing
A pre-treatment process in which yarn is passed rapidly through a gas flame or over heated plates to burn off protruding...
Reeling
The operation of converting yarn from cones or bobbins into hanks using a reel, a device that winds the yarn in crossed ...
Unwinding
A post-dyeing operation that rewinds yarn from dyed hanks onto cones or bobbins to make it usable for subsequent manufac...
Cone winding (dyeing)
A final processing step that winds dyed yarn onto cones (cardboard or plastic cones) using multi-head cone winding mac...
Waxing cone winding
A type of cone winding in which wax is applied to the yarn during winding onto cones, to provide the correct smoothness...
Yarn conditioning
A post-dyeing treatment that restores the optimal moisture content of yarn after drying, through exposure in a humidifie...
Mercerization
A chemical treatment of cotton (or linen) yarn with a high-concentration sodium hydroxide solution that modifies the fib...
Finishing
The set of preparation, dyeing, printing and finishing operations applied to yarn to improve its functional and aesthet...
Dye bath
An aqueous solution containing dyes and chemical auxiliaries (salts, levelling agents, carriers, sequestering agents, ...
Autoclave
A closed pressurized vessel used for high-temperature, high-pressure (HTHP) dyeing of yarn in package form, capable ...
Hydro-extractor
A machine that removes excess water from dyed yarn through high-speed rotation of a perforated basket, utilizing centrif...
Yarn dryer
A machine for drying dyed yarn that removes residual moisture after hydro-extraction, bringing the yarn to the desired...
Greige yarn
Yarn as it comes from spinning, not yet subjected to any dyeing or finishing treatment. Greige yarn represents the st...
Cones
A yarn presentation form in which yarn is wound on perforated conical or cylindrical supports, used for package dyeing....
Hanks
A yarn presentation form in which yarn is wound in loose coils of defined length, obtained by reeling. Hank dyeing is...
Lab dip
A laboratory-scale dyed yarn sample produced to match the standard colour requested by the customer before bulk prod...
Liquor ratio
The ratio between the weight of the material to be dyed and the volume of the dye bath, expressed for example as 1:10 (1...
Color fastness
The ability of the colour applied to the yarn to resist fading or bleeding when subjected to various external stress...
Hand feel
The tactile sensation perceived when touching dyed and finished yarn, including softness, smoothness, stiffness, bulk...