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Organic sulphur black dye (Sulphur Black 1 (C.I.53185)

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GOST 5065-73 with alt. No.1, 2, 3.

Application

Used for dyeing:

cotton, viscose and staple fibers, acetic silk and articles thereof:
- in black color without using any bates;
- in khaki color in combination with Sulphur Brown Y;
for producing:
- chromsulphine-Sulphur Black for leather;
- Thiozole Black BS.

Appearance, properties

Thick black paste or black solid mass. Soluble in lye sulphides with formation of leuco-compounds. Well soluble in cold concentrated sulphuric acid without changing composition and properties. Decomposes under the action of hot nitric acid.

Quality indices

Standard sample concentration – 110% (powder)

Concentration in relations to the standard sample, %

100-110

Hue

corresponds to the standard sample

Mass fraction of impurities insoluble in sodium sulphide solution, %, max

0,60

Mass fraction of free sulphur in dry product, %, max

0,4

Color fastness of dyed cotton fabric to physical and chemical ineluences (in points):

Action	Percentage of dyeing
Action	3	12
Light	4-5	5-6
Distilled water	4/5/5	4/5/5
Washing with soap and soda, at 40±2°С	4/5-5/5	4/5-5/5
Perspiration	4/5/5	4/5/5
Steam ironing	4/5/5	4/5/5
Dry rubbing	3-4	3
Organic solvents used in chemical cleaning	4/5/5	4/5/5

Packing

Steel drums. Capacity - 100 dm³. Net weight - 145 kg.

Transportation

Dispatching by all means of transport in accordance with rules and regulations of cargo transportation.

Guaranteed storage period

6 months from the date of production.

To send an enquiry make use of the order form.

For further information on products purchasing please contact also the Sales and Foreign Relations Department on fax: 8 or at , .

Phone: 8 ; fax: .
Russia1, city Berezniki, the Perm region.