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Sulphur black is an excellent dyes for the use of cotton with its high
performance and cheaper price, it has been playing an important role in
gradually acute market competition since it has born one hundred years
ago. Dalian Dyestuffs & Chemicals Corporation had produced sulphur
black for more than eighty years, the production capability is 12000 tons
per years. It is one of major products in this corporation. 100% strength
sulphur black BRN in this corporation has a long history of production
and good reputation in China, which is one of standard dyestuff samples
published by the state. 501 200% strength sulphur black BR which was put
into production in late 1960's, through undergoing the reformation and
innovation for more than thirty years, now it has become very famous on
international market and has been trusted by new and old consumers from
all over the world with its mature technology and stale quality. In order
to meet the needs from the international market, 200% strength sulphur
black 3R(C.I.sulphur black 1) was eveloped in middle 1990's. This product
had the advantage such as advanced process and safety operation etc. and
has become the best one among the same type products with its high strength
and brilliant shade. 588(522) 200% strength sulphur black BR which was
developed in 1998 has more reddish shade than 501. Its appearance is bright
thin flakes and solubility is fine. It is praised by all of the consumers
after it was put into market. In 2000, 521 200% strength sulphur black
B was developed for satisfying the use of international customers. Its
shade is more blueish. On the shade, sulphur black 521 B assumes blueinsh,
sulphur black 501 BR assumes blue-reddish, sulphur black 588(522) BR assumes
redder and sulphur black 3R assumes bright red. The serial products of
sulphur black satisfy the requirement of different customers.
The quality of sulphur black must pass two-grade inspection rigorously
before the products can leave the corporation. The quality of sulphur
black products is in a accordance with ZBG57019-89 standard.
501 SULPHUR BLACK BR 200%
588(522) SULPHUR BLACK BR 200%
501 SULPHUR BLACK BR 240%
588(522) SULPHUR BLACK BR 240%
521SULPHUR BLACK B 200%
(C.I.SULPHUR BLACK 1)
Specifications:
Appearance:black scale.
Shade: corresponding to standard
Moisture: 6.0% max.
Insoluble matter in sodium sulphide: 0.7% max.
Free sulphur content: 0.5% max.
Use : mainly used for cotton textiles dyeing.
Packing: in 25 kgs net iron drums/p.p bag/carton box.
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