POLY(ALPHA-METHYLSTYRENE) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 25014-31-7 |
| Product name | POLY(ALPHA-METHYLSTYRENE) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeMaterial GradeElectronic 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 POLY(ALPHA-METHYLSTYRENE)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk POLY(ALPHA-METHYLSTYRENE) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of POLY(ALPHA-METHYLSTYRENE)
| Industry | Application | Process |
|---|---|---|
| Polymers | Used as a thermoplastic resin to produce heat-resistant and chemically resistant engineering plastics | Synthesized via free-radical or anionic polymerization; commonly copolymerized with styrenic monomers to enhance performance |
| Coatings & Adhesives | Employed as a modifier in high-performance coatings and adhesives to improve adhesion and weather resistance | Integrated into coating systems using solution or emulsion polymerization techniques |
| Electronics Encapsulation | Utilized as an encapsulation material for semiconductor devices, providing excellent electrical insulation and thermal stability | Processed into composites with epoxy resins or other matrices via compression molding or injection molding |
| Optical Materials | Used to manufacture transparent components such as optical lenses and optical fibers | Produced via bulk or solution polymerization to yield high-purity polymer with low residual double-bond content, ensuring optical clarity |
| Medical Devices | Used to fabricate high-biocompatibility medical device components (e.g., surgical instruments, stents) | Purified under stringent conditions and processed into final shapes via injection molding or extrusion |
Manufacturing Quality Control of POLY(ALPHA-METHYLSTYRENE)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical state and color under controlled lighting conditions. |
| Solid Content | Gravimetric Analysis | Determination by measuring mass loss after drying at specified temperature. |
| Viscosity | Capillary Viscometry | Measurement of flow time through calibrated capillary tube under gravity. |
| Molecular Weight (Mw) | Gel Permeation Chromatography (GPC) | Separation by hydrodynamic volume in porous column with refractive index detection. |
| Polydispersity Index (PDI) | Gel Permeation Chromatography (GPC) | Calculated as ratio of weight-average to number-average molecular weight from GPC data. |
| Residual Monomer Content | Gas Chromatography (GC) | Quantification via headspace or direct injection with flame ionization detection. |
| Acid Number | Acid-Base Titration | Neutralization of acidic groups with standardized KOH solution using phenolphthalein indicator. |
| Hydroxyl Number | Acetylation Titration | Derivatization with acetic anhydride followed by back-titration of unreacted reagent. |
| Ash Content | Gravimetric Analysis (Combustion Residue) | Determination of inorganic residue after high-temperature muffle furnace ashing. |
| Moisture Content | Karl Fischer Titration | Electrochemical quantification of water based on iodine-sulfur dioxide reaction. |
| Heavy Metals | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Multi-element detection via atomic emission from plasma-excited sample aerosol. |
| Thermal Stability | Thermogravimetric Analysis (TGA) | Measurement of mass loss as function of temperature under controlled atmosphere. |
Technical Specifications of POLY(ALPHA-METHYLSTYRENE)
| Test Item | Specification |
|---|---|
| Appearance | White to off-white granular solid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 230-245°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.3% |
| Odor | Characteristic mild aromatic odor |
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 POLY(ALPHA-METHYLSTYRENE)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of POLY(ALPHA-METHYLSTYRENE)
Industrial POLY(ALPHA-METHYLSTYRENE) 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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