Pigment Red 13 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 6535-47-3 |
| Product name | Pigment Red 13 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeMaterial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/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 Pigment Red 13
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Pigment Red 13 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Pigment Red 13
| Industry | Application | Process |
|---|---|---|
| Coatings | Red colorant in automotive, industrial, and architectural coatings | Ground and dispersed into resin binders (e.g., acrylic or polyester resins) to produce color pastes or directly incorporated into coating systems |
| Plastics | Coloration of polyolefins (PP, PE), PVC, ABS, PS, and other plastics | Blended with resins and processed via extrusion, injection molding, or blow molding; requires thermal stability (up to 250–280 °C) and good dispersion |
| Inks | Printing inks for packaging (gravure, flexographic) and publication gravure inks | Mixed with alcohol- or ester-soluble vehicles (e.g., nitrocellulose, polyamide resins) and refined using three-roll mills to prepare highly dispersed color pastes |
| Rubber | Coloration of rubber products including footwear, hoses, and seals | Compounded with raw rubber and vulcanization systems during internal or open mixing; requires sulfur-resistant stability to prevent color change during vulcanization |
| Textiles | High-temperature dyeing of polyester (PET) fibers (carrier or high-temperature/pressure method) | Used as a disperse dye for polyester dyeing; formulated as a stable suspension with dispersing agents and applied under high-temperature/pressure conditions above 130 °C |
Manufacturing Quality Control of Pigment Red 13
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Purity (Main Component Content) | HPLC-UV | Quantifies pigment content by separation on a reversed-phase column and UV absorbance detection at characteristic wavelength (~500 nm). |
| Color Strength (Tinting Strength) | Reflectance Spectrophotometry (ISO 787-19) | Compares reflectance curve of sample dispersion vs. standard; calculated relative to reference batch using Kubelka-Munk theory. |
| Particle Size Distribution | Laser Diffraction (ISO 13320) | Measures angular scattering pattern of dispersed particles in liquid medium to derive volume-based size distribution. |
| Residue on Sieve (45 µm) | Wet Sieving (ISO 787-10) | Determines coarse particle fraction retained on standardized 45 µm mesh after wet sieving under controlled conditions. |
| Water Soluble Salts Content | Conductimetric Titration / Ion Chromatography | Quantifies soluble anions (e.g., Cl⁻, SO₄²⁻) via conductivity response or ion-specific chromatographic separation and detection. |
| Heavy Metals (Pb, Cd, Hg, Cr(VI)) | ICP-OES or ICP-MS | Digests sample in acid matrix, then measures elemental emission intensities (ICP-OES) or mass-to-charge ratios (ICP-MS) for trace metal quantification. |
| pH of Aqueous Extract | Potentiometric pH Measurement (ISO 787-6) | Measures hydrogen ion activity in aqueous extract of pigment using calibrated glass electrode. |
| Loss on Drying (LOD) | Gravimetric Thermogravimetry (ISO 787-2) | Determines volatile content by mass loss after drying at 105 °C to constant weight. |
| Organic Volatile Impurities | GC-MS | Separates and identifies residual solvents or synthesis by-products via gas chromatography coupled with mass spectrometric detection. |
| Heat Stability | Thermogravimetric Analysis (TGA) + Color Measurement | Evaluates weight loss and color shift (ΔE) after controlled heating (e.g., 160 °C/10 min) per ISO 787-21. |
| Lightfastness | Xenon Arc Weathering (ISO 105-B02) | Assesses color change (ΔE) after standardized exposure to xenon lamp radiation simulating daylight. |
| Oil Absorption | ASTM D281 | Determines grams of linseed oil absorbed per 100 g pigment to reach paste consistency, measured by spatula test. |
| Bulk Density | ASTM D1474 | Measures mass per unit volume of freely settled or tapped powder in standardized cylinder. |
| Dispersion Stability (in Vehicle) | Dynamic Light Scattering (DLS) / Visual Sedimentation Test | Monitors particle size growth or sedimentation behavior over time in representative binder system (e.g., alkyd resin). |
Technical Specifications of Pigment Red 13
| Test Item | Specification |
|---|---|
| Appearance | Red crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 230-235°C |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Insoluble in water; soluble in chlorinated hydrocarbons and nitrobenzene |
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 Pigment Red 13
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Pigment Red 13
Industrial Pigment Red 13 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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