Cyanic acid (1-methylethylidene)di-4,1-phenylene ester homopolymer Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 25722-66-1 |
| Product name | Cyanic acid (1-methylethylidene)di-4,1-phenylene ester homopolymer |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Electronic 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 25722-66-1
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 25722-66-1 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 25722-66-1
| Industry | Application | Process |
|---|---|---|
| Aerospace | High-performance composite matrix resins for radomes, wing leading edges, and satellite structural components | Autoclave molding, compression molding, resin transfer molding (RTM) |
| Electronics & Electrical | High-frequency circuit boards (e.g., 5G base station antenna boards), encapsulation materials, and chip carriers | Lamination, vacuum pressing, injection molding encapsulation |
| Advanced Equipment | High-temperature-resistant insulating components, electromagnetic shielding structural parts, and sensor housings | Compression molding, injection molding, filament winding |
| Rail Transit | Interior panels for high-speed train carriages, heat-resistant brake system components, and signal equipment enclosures | Thermoforming, vacuum infusion molding |
Manufacturing Quality Control of 25722-66-1
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Cyanate Equivalent Weight | Acid-Base Titration | Hydrolysis of cyanate groups to amine followed by titration with standard acid solution. |
| Viscosity | Rotational Viscometry | Measurement of resistance to flow under controlled shear rate and temperature. |
| Gel Time | Hot Plate Method | Time required for resin to gel upon heating at specified temperature, observed by string test. |
| Moisture Content | Karl Fischer Titration | Quantitative determination of water via iodine-sulfur dioxide redox reaction in methanol/pyridine medium. |
| Residual Solvent Content | Gas Chromatography (GC) | Separation and quantification of volatile solvents using flame ionization detection. |
| Ash Content | Gravimetric Analysis | Mass of inorganic residue after high-temperature combustion of sample. |
| Chloride Ion Content | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode to detect endpoint. |
| Total Cyanate Group Content | UV-Vis Spectrophotometry | Quantification based on absorbance of cyanate-derived chromophore after derivatization. |
| Molecular Weight Distribution | Gel Permeation Chromatography (GPC) | Separation by hydrodynamic volume in porous column with refractive index detection. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample color against platinum-cobalt standard scale. |
| Acid Number | Acid-Base Titration | Neutralization of acidic impurities with standardized potassium hydroxide solution. |
| Purity (Main Component) | High-Performance Liquid Chromatography (HPLC) | Separation and quantification using reverse-phase column and UV detection. |
Technical Specifications of 25722-66-1
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow viscous liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Acid Value (mg KOH/g) | <=1.0 |
| Refractive Index (n20/D) | 1.565–1.575 |
| 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 25722-66-1
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 25722-66-1
Industrial 25722-66-1 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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