Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 645
e treatment with sulphuric acid.The leather thus \)repared is now ready for dyeing, which is carried outin the drum with a dyebath starting at a temperature of 100 to 120° F.and running until the hquor is cold. In the dyeing of sumac-tanned leather with the basic colors the follow-ing method is… … Fig. 286.—Putting-out Machine Used in Leather Dyeing. There are two methods adopted in the application of the dyebath: (a)Brushing, where the color solution is applied to the surface of the leatherby means of a brush, the temperature of the dye liquor being maintainedat 75 to 120° F. (b) Dipping,…
Dyes and dyeing · Textile fabrics
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