ASTRAZON RED 6B Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 6441-82-3 |
| Product name | ASTRAZON RED 6B |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial Grade |
| Packaging | 25KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for ASTRAZON RED 6B
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk ASTRAZON RED 6B Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of ASTRAZON RED 6B
| Industry | Application | Process |
|---|---|---|
| Printing & Dyes | Colorant for inks and coatings | Dispersion, grinding, color matching |
| Textiles | Fabric printing and dyeing | Printing, exhaust dyeing, fixation |
| Plastics | Coloring of plastic products | Extrusion, injection molding, compounding |
| Coatings | Coloring of industrial and decorative coatings | Mixing, dispersion, spraying |
| Stationery Manufacturing | Coloring of colored pens and markers | Color formulation, filling |
Manufacturing Quality Control of ASTRAZON RED 6B
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Measures absorbance at lambda-max (approx. 520 nm) and calculates purity using molar absorptivity and Beer-Lambert law. |
| Moisture Content | Karl Fischer Titration | Quantifies water via coulometric or volumetric titration with iodine-based reagent in anhydrous methanol medium. |
| Ash Content | Gravimetric Analysis (Weight Loss on Ignition) | Determines inorganic residue after incineration at 550-600 C in a muffle furnace. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Measures total heavy metal content after acid digestion by quantifying absorbance of ground-state atoms in flame or graphite furnace. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Detects chloride ions by titration with silver nitrate using silver indicator electrode and reference electrode. |
| pH of Aqueous Suspension | pH Meter Measurement | Measures hydrogen ion activity in a standardized 1% w/v aqueous suspension at 25 C. |
| Particle Size Distribution | Laser Diffraction | Analyzes scattered light intensity patterns from dispersed particles to compute size distribution based on Mie theory. |
| Bulk Density | Graduated Cylinder Method (ASTM D1895) | Determines mass per unit volume of freely settled powder in a calibrated cylinder. |
| Residue on Sieve (63 um) | Dry Sieving | Quantifies oversize particles retained on a 63 um mesh sieve after mechanical shaking under standardized conditions. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separates and quantifies residual solvents and volatile organics using capillary column and flame ionization detection. |
| Sulphated Ash | Gravimetric Analysis | Measures ash content after treating residue with dilute H2SO4 and subsequent ignition to convert metals to sulphates. |
| Colour Strength (Relative) | Reflectance Spectrophotometry | Compares Kubelka-Munk function values of sample and certified reference standard in standardized pigment paste. |
Technical Specifications of ASTRAZON RED 6B
| Test Item | Specification |
|---|---|
| Appearance | Dark red to dark purple crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Identification (IR) | Conforms to reference spectrum |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of ASTRAZON RED 6B
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of ASTRAZON RED 6B
Industrial ASTRAZON RED 6B Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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