Light Stabilizer-944 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 70624-18-9 |
| Product name | Light Stabilizer-944 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 Light Stabilizer-944
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Light Stabilizer-944 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Light Stabilizer-944
| Industry | Application | Process |
|---|---|---|
| Plastics Manufacturing | Photostabilization of polyethylene (PE) products, including films, injection-molded parts, and pipes | Added during PE pelletization or processing via melt compounding to disperse uniformly and prevent photo-oxidative degradation induced by UV radiation |
| Plastics Manufacturing | Photostabilization of polypropylene (PP) products, including automotive bumpers, appliance housings, and fibers | Incorporated during PP extrusion or injection molding to enhance weather resistance and prevent yellowing and embrittlement |
| Agricultural Materials | Long-term photostabilization of agricultural greenhouse films (PE, EVA functional films) | Added as a core stabilizer component during extrusion blow molding of plastic films to prevent UV-induced loss of mechanical strength and extend service life |
| Automotive Industry | Aging protection for interior and exterior automotive plastic components, such as PP instrument panels, bumpers, and pillars | Added during pelletization or injection molding of automotive modified plastics—particularly TPO and PP composites—to resist discoloration and cracking caused by solar exposure and elevated temperatures |
| Chemical Fibers & Textiles | Lightfastness finishing of polypropylene (PP) fibers (polypropylene fiber) and polyamide (PA) fibers (nylon) | Added during the spinning process to prevent loss of tensile strength and color change under light exposure |
| Coatings & Pigment Dispersions | Photostability enhancement of plastic coatings, powder coatings, and pigment dispersions | Added during grinding/dispersion of coatings or preparation of pigment dispersions to prevent chalking and fading of resin binders and pigments under UV irradiation |
| Rubber Industry | Aging inhibition of synthetic rubber products, such as seals and tapes | Incorporated during rubber compounding to suppress UV-initiated thermo-oxidative aging and maintain elasticity and mechanical properties |
Manufacturing Quality Control of Light Stabilizer-944
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (HS-944 content) | HPLC-UV | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 235 nm. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particles or phase separation under controlled lighting and temperature. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range over which solid transitions to liquid, following ASTM D1560 or ISO 4625. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via reaction with iodine, sulfur dioxide, and base in methanol medium. |
| Acid Number | Acid-Base Titration | Neutralization of acidic impurities with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Ash Content | Gravimetric Analysis (Ignition at 550 C) | Residue mass after high-temperature incineration of sample, indicating inorganic impurities. |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-OES | Multi-element quantification by measuring atomic emission intensities of plasma-excited elements. |
| Volatile Organic Impurities | GC-FID | Separation and detection of low-boiling residual solvents or degradation products using flame ionization detection. |
| UV Absorption Ratio (A235/A280) | UV-Vis Spectrophotometry | Ratio of absorbance at 235 nm vs. 280 nm to assess purity and structural integrity of the hindered amine chromophore. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered light intensity patterns to determine volume-based particle size distribution in dispersed powder samples. |
| Bulk Density | ASTM D1895 Method A | Measurement of mass per unit volume of freely settled powder in a calibrated cylinder. |
| Thermal Stability (TGA onset) | Thermogravimetric Analysis (TGA) | Temperature at which 1% weight loss occurs under nitrogen atmosphere, indicating initial decomposition behavior. |
Technical Specifications of Light Stabilizer-944
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 132-136°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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 Light Stabilizer-944
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Light Stabilizer-944
Industrial Light Stabilizer-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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