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 73
ecoming fixed fastto washing by being treated after dyeingwith bichromate of potash, rendersthese colours serviceable for dyeingloose cotton and warps fast to millingand cross-dyeing. Diamine Jet Black 00 yields deeper and blacker shades than Diamine Dark Blue B. Jet blacks may be dyed with… … Direct ■ r Method Fastness to Fastness of Dyeing Washing. to Light Both pale and dark shades producedwith these dyestuffi washii Willie, washed witlpale shades, is notstained and tintedonly very little bydark shades. Another brand resembling Oxy Diamine Black BZ very closely — also in shade — is…
Dyes and dyeing
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