PolycarbodiiMide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 151-51-9 |
| Product name | PolycarbodiiMide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty 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 PolycarbodiiMide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk PolycarbodiiMide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of PolycarbodiiMide
| Industry | Application | Process |
|---|---|---|
| Coatings & Adhesives | Enhances hydrolysis resistance and adhesive strength | Incorporated as a crosslinker or additive; reacts with carboxyl, hydroxyl, and other functional groups in the system to form a stable crosslinked network |
| Plastics & Rubber | Improves thermal stability and mechanical properties | Used as a hydrolysis stabilizer; added during processing to extend product service life under humid conditions |
| Textile Treatment | Enhances fabric water resistance, breathability, and abrasion resistance | Applied in post-treatment processes via coating or impregnation to impart specialized functionality to fabrics |
| Healthcare | Production of biomedical materials | Used as a raw material for synthesizing biodegradable polymers; incorporated into medical devices or drug delivery systems to ensure biocompatibility |
| Electronics Industry | Encapsulation materials | Acts as an epoxy resin modifier to improve electrical insulation and resistance to moisture-thermal aging in encapsulation materials |
| Automotive Manufacturing | Interior and exterior trim production | Added during interior and exterior trim manufacturing to enhance weather resistance and chemical corrosion resistance |
Manufacturing Quality Control of PolycarbodiiMide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical state and color under controlled lighting conditions. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized KOH solution using phenolphthalein indicator. |
| Isocyanate Content | UV-Vis Spectrophotometry | Quantification based on absorbance of isocyanate groups at characteristic wavelength (e.g., 227 nm) after derivatization. |
| Water Content | Karl Fischer Titration | Electrochemical determination of water via iodine-sulfur dioxide reaction in methanol-based reagent. |
| Viscosity | Rotational Viscometry | Measurement of resistance to flow under defined shear rate and temperature using calibrated spindle. |
| Molecular Weight Distribution | Gel Permeation Chromatography (GPC) | Separation by hydrodynamic volume in solvent eluent, calibrated against polystyrene standards. |
| Residual Solvent Content | Gas Chromatography (GC) | Quantitative detection of volatile solvents using flame ionization detector and internal standard. |
| Heavy Metals | ICP-OES | Multi-element quantification of metal impurities after acid digestion and plasma excitation. |
| Ash Content | Gravimetric Analysis | Determination of inorganic residue mass after high-temperature incineration and cooling. |
| pH of Aqueous Dispersion | Potentiometric Measurement | Measurement of hydrogen ion activity using calibrated pH electrode in standardized aqueous suspension. |
| Refractive Index | Refractometry | Determination of light bending angle in sample at specified temperature using Abbe refractometer. |
| Thermal Stability | Thermogravimetric Analysis (TGA) | Monitoring mass loss as function of temperature under controlled atmosphere to assess decomposition onset. |
Technical Specifications of PolycarbodiiMide
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Melting Point | 120–125°C |
| Residue on Ignition | <=0.3% |
| Acid Value (mg KOH/g) | <=1.0 mg KOH/g |
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 PolycarbodiiMide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of PolycarbodiiMide
Industrial PolycarbodiiMide 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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