TBBPA carbonate oligomer BC58 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 71342-77-3 |
| Product name | TBBPA carbonate oligomer BC58 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 TBBPA carbonate oligomer BC58
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk TBBPA carbonate oligomer BC58 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of TBBPA carbonate oligomer BC58
| Industry | Application | Process |
|---|---|---|
| Electronics & Electrical | Flame retardant for printed circuit board (PCB) substrates, copper-clad laminates (CCL), and electronic encapsulation materials | Used as a reactive flame retardant incorporated into the molecular backbone during epoxy resin or polycarbonate synthesis via melt condensation or solution polymerization to produce flame-retardant polymers |
| Plastics & Polymers | Flame-retardant additive for engineering plastics such as polycarbonate and epoxy resin | Co-polymerized into the main chain during polymerization to enhance thermal stability and flame retardancy, meeting UL94 V-0 requirements |
| Textiles & Coatings | Component in flame-retardant coatings and fiber treatment formulations | Blended with other resins and applied onto fabric surfaces, followed by thermal curing to form a flame-retardant layer |
Manufacturing Quality Control of TBBPA carbonate oligomer BC58
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible impurities under controlled lighting. |
| Melting Point | Capillary Melting Point Determination | Measurement of temperature range at which solid-to-liquid phase transition occurs using calibrated capillary apparatus. |
| Acid Value | Acid-Base Titration with KOH in Ethanol | Quantification of free carboxylic or phenolic acid groups by titration with standardized potassium hydroxide solution. |
| Bromine Content | Oxygen Flask Combustion followed by Potentiometric Titration | Complete combustion to convert organobromine to bromide ion, then titration with silver nitrate using potentiometric endpoint detection. |
| Molecular Weight Distribution | Gel Permeation Chromatography (GPC) | Separation of oligomer chains by hydrodynamic volume in solution, calibrated against polystyrene standards. |
| Residual Solvent Content | Gas Chromatography (GC) with FID | Volatile organic solvents quantified via headspace or direct injection, detected by flame ionization. |
| Moisture Content | Karl Fischer Coulometric Titration | Electrochemical determination of water content based on iodine generation proportional to water present. |
| Ash Content | Gravimetric Analysis after Muffle Furnace Incineration | Residue mass measured after high-temperature combustion to remove organic material. |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-OES | Multi-element quantification of metal impurities following acid digestion and plasma excitation/emission measurement. |
| Thermal Stability | Thermogravimetric Analysis (TGA) | Measurement of mass loss as a function of temperature under controlled atmosphere to assess decomposition onset. |
| Viscosity (Solution) | Capillary Viscometry | Determination of kinematic viscosity by measuring flow time of polymer solution through calibrated capillary tube. |
| UV Absorbance (Impurity Screening) | UV-Vis Spectrophotometry | Detection of conjugated impurities or degradation products via absorbance scanning in 200–400 nm range. |
Technical Specifications of TBBPA carbonate oligomer BC58
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 185–195°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Acid Value (mg KOH/g) | <=0.5 |
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 TBBPA carbonate oligomer BC58
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of TBBPA carbonate oligomer BC58
Industrial TBBPA carbonate oligomer BC58 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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