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N.Y.) Cassella Color Co. (New York.

A manual of dyeing with the dyestuffs of the Cassella color company, New York .. (Volume 2) online

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LIBRARY



^N^!^%>..




1895



A MANUAL OF DYEING



WITH THE DYESTUFFS
OF THE



CASSELLA COLOR COMPANY
NEW YORK

182 AND 184, FRONT STREET



VOL. II.

WOOL. SILK.
HALF- WOOL. HALF- SILK.



SECOND (ENLARGED) EDITION.



1913.

PUBLISHED BY THE CASSELLA COLOR COMPANY,
NEW YORK.



No 2939.



ALL RIGHTS RESERVED



N3 l^'^O'^



13

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3
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X

raise in about 20 minutes to the boil, and
after about % hour's boiling, add 5—10%
bisulphate of soda or 2— 2V2% sulphuric acid
in several portions, boiling for about 20 to
30 minutes, until the bath is thoroughly ex-
hausted.

These Naphtylamine Blacks may also be
dyed direct with bisulphate of soda or sul-
phuric acid, but the Black will come out
slightly less bloomy than when dyed according-
to the above method. The dyeing Is then
carried out with the addition of

10% Glauber's salt,
5% bisulphate of soda or
2% of sulphuric acid, and the dyestuff,

some bisulphate of soda or sulphuric acid beings
added after % hour's boiling in order to exhaust
the bath.

For goods difficult to dye through, the-
amount of Glauber's salt to be added Is in-
creased to 20 — 25%, and the goods are entered
at rather a lower temperature.

Carbonised goods should be neutralised
before dyeing.



used:



For shading, the following dyestuffs are



for
Blue Black



Acid Violet 6BS
Tetra Cyanole V
Cyanole Green B, 6G
Acid Green extra cone.



{Acid Yellow AT
Indian Yellow FP
Tropaeoline O, 00
Orange II, extra.

For subsequent shading it is best to use
the afore-mentioned shading dyestuffs which
may be added straight to the boiling bath. If
some Black has to be added subsequently, It is
best to use Naphtylamine Black EFF or ESN,
the liquor being cooled off previously.



— 7



DYESTUFFS FOR WOOL.



ACID COLOURS.



Alphanol Black B
BG



3B

3BN

3BN cone.

KB

KBB

K4BN

KSB

KN

KWAN cone.

KV

R



Anthracite Black B
R



Method V.



Charge the bath with

10% Glauber's salt crystals,
5% acetic acid, and the dyestufC;

enter the goods at about 600 c. (1400 F.), raise
in 20 to 30 minutes to the boil, and exhaust
the bath after % hour's boiling by gradually
adding 2 — 4% acetic acid or bisulphate of soda.

In the case of goods difficult to dye through,
the amount of Glauber's salt is increased to
20—25%, the goods being entered at rather a
lower temperature. Carbonised goods should
be weU neutralised before dyeing.

In the case of goods which are to be



Online LibraryN.Y.) Cassella Color Co. (New YorkA manual of dyeing with the dyestuffs of the Cassella color company, New York .. (Volume 2) → online text (page 1 of 30)