The aniline colours of the Badische Anilin- & Soda-Fabrik, Ludwigshafen on Rhine and their application on wool, cotton, silk and other textile fibres . Phloxiue BBN. Rose Bengal Sheet 4. Cotton. 131 — i I Dyeing Cotton Yarn, Apparatus for dyeing yarn. 1. Wooden vats are generally used for dyeing cotton in the hank and they areusually constructed to hold 50 or 100 lbs. It is seldom that they are madelarger or smaller than this. During the dyeing process the hanks are hung on smooth rods, so thatonly about ^ji of their length is above the surface of the dye-liquor. Theyam is turned by hand,
The aniline colours of the Badische Anilin- & Soda-Fabrik, Ludwigshafen on Rhine and their application on wool, cotton, silk and other textile fibres . Phloxiue BBN. Rose Bengal Sheet 4. Cotton. 131 — i I Dyeing Cotton Yarn, Apparatus for dyeing yarn. 1. Wooden vats are generally used for dyeing cotton in the hank and they areusually constructed to hold 50 or 100 lbs. It is seldom that they are madelarger or smaller than this. During the dyeing process the hanks are hung on smooth rods, so thatonly about ^ji of their length is above the surface of the dye-liquor. Theyam is turned by hand, or a stick may be used. (In the latter case a pointedstick, which is thinner than that on which the yarn hangs, is passed throughthe hank, below the other stick, and the yam is then raised with it and turned.) For several purposes, e. g., for Aniline Black, the yam is dyed in arrangement is practically the same as that of an ordinary dye-vat, butthe yam is turned by machine instead of by hand. The vats must be so constructed that the yarn can be easily turned withouttoo much water being required in proportion to the cotton. The following are suitable internal
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectdyesand, bookyear1901
