Chimassorb 944 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 71878-19-8 |
| Product name | Chimassorb 944 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial 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 Chimassorb 944
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Chimassorb 944 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Chimassorb 944
| Industry | Application | Process |
|---|---|---|
| Plastics Industry | Enhances weatherability and UV resistance of polyolefins (e.g., polyethylene, polypropylene) | Added during polymer melt extrusion or injection molding; typically used synergistically with other stabilizers (e.g., HALS or UV absorbers) |
| Coatings & Inks | Improves photostability of outdoor coatings and industrial finishes, preventing fading and chalking | Incorporated as an additive into coating formulations during grinding or let-down stages |
| Agricultural Films | Extends service life of polyethylene agricultural films under outdoor solar exposure | Blended with resin prior to film production via blow film extrusion |
| Automotive Industry | Provides anti-aging protection for interior and exterior plastic automotive components (e.g., bumpers, instrument panels) | Premixed with base resin prior to injection or blow molding |
| Packaging Materials | Maintains color stability and mechanical property integrity of transparent or colored packaging films under light exposure | Added during blow film or cast film processing |
Manufacturing Quality Control of Chimassorb 944
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical state and color under controlled lighting conditions |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid using calibrated capillary tube method |
| Loss on Drying | Gravimetric Method (105 C, 2 h) | Measurement of mass loss after drying under specified temperature and time to determine volatile content |
| Ash Content | Gravimetric Method (550 C, 3 h) | Residue mass after high-temperature incineration to quantify inorganic impurities |
| Acid Number | Acid-Base Titration (KOH in ethanol) | Quantification of acidic functional groups by titration with standardized potassium hydroxide solution |
| UV Absorption (lambda max) | UV-Vis Spectrophotometry | Measurement of maximum absorbance wavelength and intensity in specified solvent to confirm structural integrity |
| UV Absorption (A1%1cm at 340 nm) | UV-Vis Spectrophotometry | Determination of specific absorbance at 340 nm using 1% w/v solution in toluene to assess chromophore concentration |
| Infrared Spectrum | FT-IR Spectroscopy | Comparison of sample spectrum against reference standard to verify molecular functional groups and structure |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-OES | Multi-element quantification of toxic metals after acid digestion using inductively coupled plasma optical emission spectrometry |
| Residue on Ignition | Gravimetric Method (750 C, 1 h) | Mass of non-volatile residue remaining after ignition to evaluate inorganic contamination level |
| Moisture Content | Karl Fischer Titration | Electrochemical determination of water content based on iodine-sulfur dioxide reaction stoichiometry |
| Purity (by HPLC) | Reversed-Phase HPLC | Quantitative assessment of main component and related substances using UV detection and external standard calibration |
Technical Specifications of Chimassorb 944
| Test Item | Specification |
|---|---|
| Appearance | White powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 230-240°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Color (APHA/Pt-Co) | <=100 |
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 Chimassorb 944
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Chimassorb 944
Packaging of Chimassorb 944
Industrial Chimassorb 944 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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