Bismaleimide Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 13676-54-5 |
| Product name | Bismaleimide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeElectronic 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for Bismaleimide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Bismaleimide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Bismaleimide
| Industry | Application | Process |
|---|---|---|
| Rubber Industry | Vulcanizing agent and crosslinking agent to enhance heat resistance, abrasion resistance, and resistance to compression set | Blended with natural rubber, styrene-butadiene rubber (SBR), ethylene-propylene rubber (EPR), etc., and participates in double-bond addition and Michael addition reactions during vulcanization at 140–180 °C to form a thermally stable three-dimensional network structure |
| Composites | High-performance resin matrix modifier to improve the heat resistance and interlaminar shear strength of epoxy and bismaleimide (BMI) resins | Used as a comonomer or curing accelerator in high-temperature thermal curing (200–250 °C), enabling imide ring-opening polymerization and synergistic aromatic-ring crosslinking |
| Electronic Encapsulation | Critical crosslinking component in high-performance molding compounds for semiconductor encapsulation, increasing glass transition temperature (Tg) and dimensional stability | Formulated with benzoxazine, cyanate ester, or epoxy resins; forms a high-density rigid network during compression molding at 175–220 °C, reducing moisture absorption and coefficient of thermal expansion |
| Adhesives | Crosslinking component in high-temperature structural adhesives to enhance hot shear strength and retention after thermal aging | Blended with phenolic resins or polyimide prepolymers and cured via stepwise heating (150 °C/2 h → 200 °C/2 h → 230 °C/1 h) to establish a thermally stable crosslinked system |
Manufacturing Quality Control of Bismaleimide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantitative determination using reverse-phase HPLC and UV absorbance at 220-230 nm against a certified reference standard. |
| Melting Point | Capillary melting point apparatus | Thermal transition temperature measured by gradual heating of crystalline sample in capillary tube under controlled conditions. |
| Loss on Drying | Gravimetric method (105 C, 2 h) | Mass loss determined after drying sample to constant weight at specified temperature and atmospheric pressure. |
| Residue on Ignition | Gravimetric ash test | Non-volatile inorganic residue measured after high-temperature incineration (700-800 C) followed by weighing. |
| Chloride Content | Potentiometric titration with AgNO3 | Quantification of chloride ions via argentometric titration using silver nitrate and a silver indicator electrode. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of heavy metals after acid digestion, based on atomic emission intensities at characteristic wavelengths. |
| Iron Content | AAS (Flame) | Atomic absorption measurement of iron after acid digestion, using characteristic absorption at 248.3 nm. |
| Water Content | Karl Fischer titration | Volumetric or coulometric determination of water based on iodine consumption in pyridine-methanol solvent system. |
| Particle Size Distribution | Laser diffraction | Analysis of scattered light intensity patterns from dispersed particles to calculate size distribution by Mie theory. |
| Bulk Density | ASTM D1895 (Method A) | Mass per unit volume of freely settled powder measured in standardized graduated cylinder. |
| Organic Volatiles (Residual Solvents) | GC-FID | Separation and quantification of volatile organic impurities using gas chromatography with flame ionization detection. |
| Color (APHA) | Visual comparison or spectrophotometric measurement | Assessment of yellowness index or APHA units by comparing sample solution absorbance at 455 nm to platinum-cobalt standards. |
Technical Specifications of Bismaleimide
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 148–152°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
|
|
Download COA of Bismaleimide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Bismaleimide
Packaging of Bismaleimide
Industrial Bismaleimide 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply