High-quality Sulphur Black Br Cheap
Sulphur Black Br is a kind of sulphur Dyes, belonging to traditional high-molecular-weight organic dyes, and is mainly used for dyeing cellulose fibers (such as cotton,denim, viscose). Its chemical structure is mainly composed of polysulfide bonds and aromatic rings, and it is produced through vulcanization reactions. It has excellent dyeing performance and cost advantages.
Description
Product Description
High-quality sulphur black BR cheap is a black dye with good stability, high temperature resistance and strong tinting power. It is widely used in textile printing and dyeing, leather dyeing and paper coating.
CAS Number: 1326-82-5
Molecular formula: C₆H₄N₂O₅S
Appearance: Dark brown powder or granules
Application fields: Mainly used for dyeing cotton, linen, viscose fibers and their blended fabrics, and can also be used for dyeing leather and paper.
Chemical composition
Main components: Polysulfur compounds with a relatively high sulphur content (usually 15% to 20%).
CAS Number: 1326-82-5
Molecular formula: C₆H₄N₂O₅S
Product Features
Strong Tinting Strength
High-quality sulphur black br cheap adopts a uniform reaction control process, and the blackness reaches 1.9~2.2 K/S value, which can effectively cover the base color, reduce the amount of dye, and is suitable for high-concentration dyeing needs.
Good High Temperature Resistance
Its thermal stability is up to 170°C, and the color remains stable in high-temperature color fixation, steaming and other processes, and is not easy to degrade, ensuring the fastness of dark colors.
Washing And Friction Resistance
After dyeing, it has high fastness, water washing fastness can reach level 4, and dry friction fastness is 3-4. It is suitable for high-frequency washing products such as industrial washing, denim, and work clothes.
Strong Storage Stability
High-quality sulphur black br cheap adopts a closed packaging moisture-proof design, and can be stably stored for more than 12 months under normal conditions.
Our factory
Formerly known as Jinzhou dongxing dyestuff plant, it was established in the early 1980s. Now our business covers acid dyes, solvent dyes, basic dyes, vat dyes, direct dyes, textile auxiliaries and other chemicals, including edible and industrial cellulose, sodium metabisulfite, sodium sulfite and amino silicone oil. Our company has large-scale production plants and export rights in the fields of textile fabrics, building materials, etc., and actively explores the international market to expand overseas business.
We are not traders but a source factory with 40 years of experience in the production of Sulphur dyes
Advantage of source production
Vertical production: From raw materials to finished products, the whole process is independently controlled to ensure a stable supply chain and avoid price gouging by middlemen.
Large-scale production capacity: Daily output reaches 300 tons, which can undertake bulk orders and ensure on-time delivery.
Cost control: We have our own sulfur chemical production line, and the procurement cost is 15-20% lower than that of traders.
Technological research and development advantage
Process upgrade: We use a closed vulcanization process with a free sulfur content of < 50ppm (the industry standard is 100ppm).
Customization capability: We can adjust the color (bluer/redder) and particle fineness (80-200 mesh optional) according to customer requirements.
Compounding technology: We provide pre-reduced sulfur black solution to simplify the customer's dyeing process.
Quality Certification System
International certification: We hold EU REACH/ ECOPassport / OEKO-TEX® certification.
Testing equipment: We are equipped with HPLC detectors and provide heavy metal (Pb/Cd/Hg, etc.) test reports for each batch.
Stability: Product color difference ΔE < 0.5, batch-to-batch consistency far exceeds industry standards.
Advantages in export services
Logistics support: We have long-term cooperation with shipping companies and logistics companies.
Technical support: We have a professional technical team and provide dyeing process guidance manuals.
Market competitiveness
Price strategy: Under the same quality, our products are 8-12% lower than Indian manufacturers and 30-40% lower than European and American suppliers.
Quick response: We can ship within 3 working days.
After-sales guarantee: We promise to replenish or refund due to quality problems.
Environmental compliance
Green Production: Our wastewater treatment system complies with ISO14001 standards.
Packaging Upgrade: We provide biodegradable inner bags and moisture-proof iron barrel packaging options.
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