The dyeing of cotton and other vegetable fibres with the dyestuffs of Leopold Cassella & Co. Frankfort o. M (1902)
Leopold Cassella & Co · Frankfort o.M. : Leopold Cassella & Co. · leaf 41
ing shades fastestto washing. Diamine Brown R possesses the same clear-ness of shade as the Cotton Browns whichit surpasses in point of fastness to washingand light. It is chiefly to be consideredfor dyeing cheap imitations of cutch brownson loose cotton, yarns and hosiery. It must also be pointed… … Fastnessto Light 111. Both brands behavelike Diamine BrownS and may be count-ed amongst thedirect dyestuffs fastest to washing; anaftertreatment withbichromate of potash and sulphate ofcopper improves thisfastness to washingconsiderably, andsuch dyeings may beused for milling goods. Fastnessto…
Dyes and dyeing
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