![2020 Factory Price Dyestuffs Sulphur Black Br200% for Textile Dye](/uploads/s/9fc4875cc0a847e9acc7934558cc8c11.webp)
2020 Factory Price Dyestuffs Sulphur Black Br200% for Textile Dye
2020 factory price Dyestuffs Sulphur Black BR200% for Textile Dye 1. Description Molecular Formula: C6H4N2O5 Molecular W
Send your inquiryDESCRIPTION
Basic Info.
Model NO. | sulphur black 200% |
Application Material | Textile |
Type | Synthetic |
Solubility | Solubility |
Varieties | Sulphur Black Br |
Production Method | Boiling Method |
Acid Resistance | 5 |
Light Fastness | 6 |
Supply Ability | 2000ton/Month |
Samples | Available |
Grade | Top Grade |
Strength | 100%-240% |
Color | Black |
Soap Resistance | 4 |
Loading Quantity | 20mt/20′container |
Storage | Cool, Dry and Ventilated Place |
Delivery Time | Within 7 Days |
Molecular Weight | 184.1 |
Degree of Fineness | 3% Max |
Free Sulphur | 0.31% |
Moisture | 2.9% Max |
Transport Package | 25kgs Net Bag |
Specification | 100% 200% 220% |
Trademark | kelai |
Origin | Cn |
HS Code | 3204191100 |
Production Capacity | 3000tons/Month |
Product Description
2020 factory price Dyestuffs Sulphur Black BR200% for Textile Dye1. Description
Molecular Formula: C6H4N2O5
Molecular Weight: 184.10
CAS No.: 1326-82-5
H.S. Code: 32041911
Standard: HG/T3427-2001
Appearance: Flashing black flakes or granules
Product character: Sulphur black is insoluble in water or ethanol, it appears as green-black in the solution of sodium sulfide, appears bluish when put caustic soda in the solution of sulphur black, and appears greenish precipitate with hydrochloric acid
It's miniature soluble in cold sulfuric acid, turns to greenish blue precipitate after it's warmer, then turns to black-blue when keeps heating. Sulphur dyes have good dye-uptake and level dyeing.
2. physical properties
Black powder. It is insoluble in water and ethanol.Soluble in sodium sulfide solution is dark green. In hydrochloric acid, the precipitation is green and black.It is blue in sodium hydroxide solution.3. Specification
Item | Index | ||||
BR 185% | BR 200% | BR 220% | BR 240% | B 200% | |
Strength(with the standard ) | 100% | 100% | 100% | 100% | 100% |
Shade(with the standard ) | Corresponds to standard | ||||
Moisture ≤% | 5.0 | 5.0 | 5.0 | 5.0 | 6.0 |
Watter insoluble ≤% | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
Na2S ≤% | 0.15 | 0.15 | 0.15 | 0.15 | 0.16 |
PH | 8 | 8 | 8 | 8 | 8 |
4. Application:
Mainly used for dyeingand winding dyeing on cotton,jute,viscose,polyyinyl alcohol fibre and polyester ,polyamide fibre,especially used for rolling dyeing.It is uniform and stable in colour,good permeability when dyeing without any frahile treatment .It is also used for dyeing on Ieather and original viscose fibre.
5. Sulphur Black Packing and Loading :
(1) Packing: 25kg/bag , or 25kg/Drum .
(2) Loading quantity :800bags/20'container , 20MT/20'container .
(3) Loading quantity :640drums/20'container , 16MT/20'container .6. Our Services
We have exact inventory plans to guarantee stable supply.
We have many years' experience of chemical logistics and dangerous chemical managers with specially trained, which ensure the safety and right of chemicals, timely logistics.
Our laboratory takes strictly testing on every lot of goods according to customers' requirement. Meanwhile we has good relationship with the third party company SGS.
After-sales service is the important part in our service. If there are quality problems, we will actively cooperate with the customers and solve the problems early.
We expect to become good partners with our customers for long.
7. Factory overview:
8. Why us :
Factory directly supplying
District quality control
Ensure high quality
Promptly delivery time for your order
More than ten years of exporting experience
Free sample