CAS No.: | 7775-14-6 |
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Formula: | Na2s2o4 |
EINECS: | 231-890-0 |
Certification: | ISO |
Purity: | 80%~90% |
Type: | Sulphur Black Br 180% |
Samples: |
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Customization: |
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Sulphur Dark Blue 3R 100% 130% for cotton and leather C.I. Sulphur Blue 5
Product Name: Sulphur Dark Blue 3R; Sulphur Blue 3R.;C.I.Sulphur Blue 5
Standard: HG/T 4042-2008
Molecular formula:
Sulfides of the following intermediates:
Specification:
Product name | sulphur dark blue 3R 100%, 130% |
Appearance | Dark blue gray powder |
Strength | 100% compared to standard |
Moisture content | Max 5% |
Insoluble substance in sodium sulfide | Max 2% |
Fineness (through 180 μ M sieve residue content) | ≤5.0% |
Shade | Approximate to standard |
Fastness on Cotton fabric:
Fastness | Grade |
Light fastness(Xenon Arc, 3.5%owf) | 5 |
Washing fastness (95°C) | 3(fading); 3(cotton staining); 3~4(viscose staining) |
Perspiration fastness(acid) | 4(fading); 4~5(cotton staining); 4~5(wool staining) |
Perspiration fastness(alkaline) | 4(fading); 4~5(cotton staining); 4~5(wool staining) |
Water fastness | 3~4(fading); 4~5(cotton staining); 4~5(wool staining) |
Rubbing fastness | 4(dry); 2(wet) |
Iron fastness(200°C after 4h fading) | 4 |
Application:
Storage: Shall be stored in a cool, dry and ventilated place to prevent moisture and heat.
Package: 25kg plastic bag, 25kg carton box, 25kg drum or Jumbo bag are available.
ZHANJIU (SHANGHA) INDUSTRIAL CO, LTD is a professional supplier of fine chemicals for many industry fields, specializing for chemicals widely used in textile printing & dyeing, leather processing.water treatment, food & feed additives, pharmaceuticals and other areas.We have own cooperated factories for sodium percarbonate, sodium hydrosulfite, surfactant, sulphur dyes and textile auxiliariesetc.Our cooperated factory for sodium hydrosulfite has capacity of 100,000 metric tons per year, wealso produce sodium metabisulfite and sodium formate etc.Our factory has internationally advanced production equipment and production technology.Comprehensively utilizes the by-products in the production process, and fully advocates circulareconomy and cleaner production.
Our manufacture base for Sulphur dyes is located in East China and founded in 2003. The main products are solid and liquid sulphur dyes, sodium thiosulfate, sodium sulfide, etc. Our capacity for sulphur dyes is 30000 tons of solid and 30000 tons of liquid every year.
Our cooperated factory for sodium percarbonate has capacity of 100,000 metric tons per year and we already exported more than 50 countries. The main application of sodium percarbonate is indetergent and aquaculture industries, For aquaculture, we can supply granular uncoated type and tablet type. It is Class 5.1 dangerous chemicals and we have very good professional experiences for exporting this product.
https://zhanjiuindustry.en.made-in-china.com/company-ZHANJIU-SHANGHAI-INDUSTRIAL-CO-LTD.html
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