COBALT BLUE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1345-16-0 |
| Product name | COBALT BLUE |
| 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 COBALT BLUE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk COBALT BLUE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of COBALT BLUE
| Industry | Application | Process |
|---|---|---|
| Paint & Coatings Industry | Manufacture of high-temperature-resistant coatings | High-temperature calcination coloring process |
| Ceramics Industry | Coloring of ceramic glazes | Glaze mixing and high-temperature sintering |
| Plastics Industry | Coloring of heat-resistant plastic products | Melt compounding coloring process |
| Printing Inks | Specialty weather-resistant inks | Dispersion grinding and ink formulation process |
| Artists’ Pigments | High-temperature-stable artists’ pigments | Grinding and dispersion slurry preparation process |
Manufacturing Quality Control of COBALT BLUE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Purity (by HPLC) | HPLC with UV-Vis detection | Quantitative determination using retention time and peak area comparison against certified reference standard. |
| Moisture Content | Karl Fischer titration | Electrochemical titration measuring water content based on iodine-sulfur dioxide reaction stoichiometry. |
| Ash Content | Gravimetric analysis (muffle furnace) | Residue mass after high-temperature incineration at 550 C, expressed as weight percent of original sample. |
| Particle Size Distribution | Laser diffraction | Analysis of light scattering pattern to determine volume-based particle size distribution. |
| Color Strength (Tinting Strength) | Reflectance spectrophotometry | Comparison of reflectance curve and relative color strength calculated vs. primary standard under D65 illuminant. |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-OES | Multi-element quantification after acid digestion by measuring element-specific emission intensities in plasma. |
| Water Soluble Salts | Conductivity measurement | Determination of total ionizable impurities via electrical conductivity of aqueous extract. |
| pH of Aqueous Extract | Potentiometric pH measurement | Measurement of hydrogen ion activity in saturated aqueous suspension using calibrated glass electrode. |
| Organic Volatile Impurities | GC-MS | Identification and quantification of residual solvents and volatile organics using gas chromatography coupled with mass spectrometry. |
| Bulk Density | ASTM D1895 method A | Mass per unit volume measured in a standardized cylinder after controlled tapping. |
| Oil Absorption | ASTM D281 | Quantity of linseed oil absorbed per 100 g pigment, determined by spatula mixing until paste consistency is reached. |
| Thermal Stability | TGA | Weight loss monitoring under controlled nitrogen atmosphere from 30 C to 500 C to assess decomposition onset and stability. |
Technical Specifications of COBALT BLUE
| Test Item | Specification |
|---|---|
| Appearance | Blue crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Insoluble in water; soluble in concentrated sulfuric acid |
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 COBALT BLUE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of COBALT BLUE
Industrial COBALT BLUE 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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