News
-
What is the difference between Sulphur Black BR and sodium sulfide?
Sulphur Black BR is also called vulcanizate or green sulfide. It is the most consumed sulfur dyes. The dye Sulphur Black BR has appearance of shinning black cristal or black power. It is not soluble in water. Soluble in sodium sulfide solution to form a dark green leuco. Soluble in hot concentrat...Read more -
Why does the fabric dyed with sulphur black br have problem?
Sulphur Black BR and indigo blue granulars are playing important role during cotton textile, especially dyeing denim or jeans. Sulphur Black BR has features of low purchasing cost, easy operation and high dyeing speed. As a result, more and more dyeing plant prefer to buy Sulphur Black BR in bulk...Read more -
Where to buy malachite green crystal? What should be care when buying?
Malachite green crystal is playing an important role in the coloration of textile, wood, paper and water treatment. Then where to buy malachite green crystal? Here we’d like to introduce Cangzhou Xincheng Weiye Chemical Company, which has established for over 25 years and export malachite g...Read more -
How about the dyeing effect of basic rhodamine b? Where to buy rhodamine b?
Because of the good dyeing effect and fast dyeing speed of Basic Rhodamine B , many friends will try their best to inquire about this dye in their life and work. Users find that Basic Rhodamine B is not only one color, but also can use chromatogram to change the color in the dyeing process, which...Read more -
Dyeing and production of sulphur black dyes
Sulphur Black dyes are insoluble in water. Sodium sulfide or other reductants are used to reduce the dyes to soluble leuco. Sulphur Black has affinity to the fibers, and after dyeing then oxidizes to restore their insoluble state and fix them on the fibers. So sulphur dyes are also a kind of VAT...Read more -
There are a lot of refractory dyes and toxic substances in sulphur black wastewater.
As we all know, sulphur black dye is an important sulphur dyes for textile especially for denim or jeans yarn dyeing. As the sulhpur black has advantages of low purchasing cost and easy operation, more and more users prefer to buy in bulk quantity. However, the dyeing wastewater contains more res...Read more -
Reasons for uneven dyeing of 310 Rhodamine B
In the dyeing of leather, cotton, linen, paper and other materials, a dye called Basic Rhodamine B is often needed. It belongs to a synthetic dye and is suitable for many industries. When using Basic Rhodamine B to dye material, uneven dyeing often occurs, so what is the cause? In order to ensure...Read more -
Reasons for brittleness of yarns dyed with sulphur black dyes
The reason for brittleness of yarn dyed with Sulphur Black dye is that Sulphur Black dye is a high molecular compound with unstable structure. It can be oxidized in air under certain temperature and humidity conditions and further reacts with water molecules in air to produce sulfuric acid. The a...Read more -
Basic Rhodamine B manufacturer take you understand performance of Rhodamine B
Rolling-drying-steaming process is a common process of Basic Rhodamine B. Urea is often used in this process, which brings many environmental problems. In addition, the application of Basic Rhodamine B is also affected by its migration, low fixation rate and high energy consumption. According to ...Read more -
Sorry ! Cationic blue dyes price increased by 3000RMB/TON, followed by Disperse dyes, reactive dyes!
Due to the rising raw materials in the upstream, environmental pressure and other factors, the cationic blue dyes in Cangzhou Xincheng Weiye Co., Ltd. (XCWY Chemical)have increased by 3000RMB/TON since this month. Varieties involved: » Cationic yellow X-GL 250% » Cationic Red X-GRL 250% » Cation...Read more -
Sulphur Black BR is insoluble in water, but can be reduced to dark color in sodium sulfide solution and dissolved.
The jeans made of Sulphur Black BR are very popular among young and middle-aged people because of their rough and unique style. The dyeing equipment we adopt adopts the method of continuous dyeing by warp axes, and the production process is relatively mature. Sulphur Black BR is insoluble in wate...Read more -
What is the use of Solvent Red 135?
Solvent Red 135 Application Solvent red 135 CAS 20749-68-2/71902-17-5, also known as transparent red with melting point 318 ℃, is a kind of high-grade plastic colorant which belongs to oil-soluble dyes. Its physicochemical properties are yellowish powder, insoluble in water. What is the use of So...Read more
