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Chemical news

SBR prices climbing due to increasing feedstock costs
It has been a year-long roller-coaster ride for styrene butadiene rubber (SBR) pricing, with many peaks and valleys. Now rising feedstock costs,...

Mixed outlook for US supply and demand as prices plummet
US ethane prices have slumped by more than 40% so far this year, taking the market by surprise. But, prices are poised to recover in the second half,...

Crude oil, refining and base oils - whats’ going on?
© Rex Features Lubricants and base oils represent only about 1% of global oil demand, but they have had an outsized influence on the development of...







sulphur black ovewview

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.