2. Some terms and definitions should be known before dyeing
Mordant : A chemical that helps the binding of dye or dyestuff to the fibers for both fiber and dye.
Owf : On weight of fibre, normally expressed in percentage.
Omf : On mass of fibre
Padding : A dyeing method with very low liquor to good ratio, where typically only enough strong dye solution is used to saturate the fabric
Pigment dyeing : Coloring fabric with ground pigments mixed with a binder rather than a true dye.
Soaping or soaping off : A process of washing the dyed fabric with hot water with surfactants or cleaning agents, soap, detergent to remove the fixed dye.
Softener (fabric softener) : A chemical or chemical mixture like lubricant stands for to give fabric a soft hand.
Softener (water softener) : Chemicals used to water to prevent hardness ions from interfering with other solutes.
Stripping : The process to remove uneven dye from fabric before redyeing it.
Stock solution: A solution of known strength, made up with the intent of dilution or mixing before final use. Stocked will be discussed future.
Substantive(ity) : The rate of dye to transfer from solute to solution.
Subtractive : With reference to color, removal of colors from light reflected from a surface.
Surfactant : Surface active agent.
Syntan : Synthetic tanning agent.
Wetting agent: An agent helps to increase the uptake of the dye by the fibre or to penetrate solution by wetting it.
W/w : Abbreviation of weight/weight.
W/v : Abbreviation for weight/volume.
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