Organic sulphur blue 3 dye (Sulphur Blue 7 (C.I.53440)

TU 6-36-00204197-603-79

Application

Used for dyeing:

• cotton, staple-viscose fibers melange and semi-woollen cloth production;
• cotton yarn, knitted fabrics, cloth.

Appearance, properties

Dark-blue homogenous powder, insoluble in water, hydroscopic. Adsorbed by cellulose fibers from alkaline solutions as leuco compounds coloring fibers upon oxidation. May be mixed with other sulphur dyes and allows dyeing both in intermittent and continuous action machines providing uniform colors.

Quality indices

Соncentration of standard sample - 187%
Concentration in relation to the standard sample, %	100
Hue	corresponds to the standard sample
Mass fraction of impurities insoluble in sodium sulphide solution, %, max	1,5
Mass fraction of free sulphur, %, max	1,0
Color fastness of dyed cotton fabric to physical and chemical influences (in points): Action Percentage of dyeing 0,6 3,5 7,0 Light 3 4 4-5 Light and weather 2-3 3 4 Washing with soap and soda, at 40±2°С 4/4-5/5 4/4-5/5 4/4-5/5 Organic solvents 4/5/5 4/5/5 4/5/5 Perspiration according to method No.2 4/5/5 4/4-5/5 4/4-5/5 Steam ironing 4к/4/5 4к/4/5 4к/4/5 Distilled water 4/5/5 4/5/5 4/5/5 Dry rubbing 3-4 3-4 3-4

Packing

Drums of sheet roofing steel or galvanized steel. Capacity - 100 dm³. Net weight – 80 -100 kg.

Transportation

Dispatching by all transportation means in accordance with rules and regulation of goods transportation.

Guaranteed storage period

12 months from the date of production.

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