Water soluble direct black polyazo dyestuffs mixture

A water soluble direct black polyazo dyestuffs mixture comprising the following ingredients in the respective proportions:

• i. about 20 to about 30 parts by weight of a trisazo dyestuff having a formula, ##STR1## ii. About 40 to about 60 parts by weight of a trisazo dyestuff having a formula, ##STR2## iii. About 5 to about 15 parts by weight of a trisazo dyestuff having a formula ##STR3## iv. About 5 to about 10 parts by weight of a polyazo dyestuffs mixture including a first polyazo dyestuff having a formula, ##STR4## a second polyazo dyestuff having a formula, ##STR5## a third polyazo dyestuff having a formula, ##STR6## the first, second and third polyazo dyestuffs being in a ratio in the range of about 10 to about 15:
• about 3 to about 5:
• about 0.5 to about 2, respectively;
• and v. 2 to 5 parts by weight of a disazo dyestuff having a formula, ##STR7## wherein R is hydrogen, sodium or potassium and X is lower alkyl, lower alkoxy, chloro, nitro, carboxy, sulfonic or hydrogen at the 2, 3, or 4 position.