CARBINOL (HYDROXYL) TERMINATED POLYDIMETHYLSILOXANE, 400-450 cSt Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 68937-54-2 |
| Product name | CARBINOL (HYDROXYL) TERMINATED POLYDIMETHYLSILOXANE, 400-450 cSt |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeMaterial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 68937-54-2
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 68937-54-2 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 68937-54-2
| Industry | Application | Process |
|---|---|---|
| Personal Care & Cosmetics | Acts as an emulsifier, emollient, and solubilizer to enhance product texture and spreadability | Incorporated into emulsions, creams, sunscreens, and similar formulations via gentle mixing |
| Textile Industry | Functions as a fabric softening agent and antistatic agent to improve hand feel and wearing comfort | Applied to fiber surfaces via padding or spraying, followed by drying and film formation |
| Coatings & Inks | Improves leveling, prevents cratering, and enhances substrate wetting | Added as an additive during grinding or let-down stages and uniformly dispersed within the coating/ink system |
| Industrial Cleaning & Metalworking | Acts as a wetting agent and foam-suppressing component to increase cleaning efficiency | Added to aqueous cleaning solutions or cutting fluids and applied via circulation or spray systems |
| Plastics & Rubber Additives | Functions as an internal mold release agent and surface modifier to facilitate demolding and improve surface finish | Incorporated into base materials prior to compounding or injection molding and uniformly dispersed via melt blending |
Manufacturing Quality Control of 68937-54-2
| 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 groups with standardized KOH solution using phenolphthalein indicator |
| Hydroxyl Value | Acetylation Titration | Esterification of hydroxyl groups with acetic anhydride followed by back-titration of unreacted anhydride |
| Viscosity | Capillary Viscometry | Measurement of flow time through a calibrated capillary tube at specified temperature to calculate kinematic viscosity |
| Refractive Index | Refractometry | Determination of light bending angle at air-sample interface using calibrated refractometer |
| Water Content | Karl Fischer Titration | Electrochemical quantification of water via iodine-sulfur dioxide reaction in methanol-based reagent |
| Ash Content | Gravimetric Analysis | Incineration at 550 C followed by weighing of residual inorganic material |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Multi-element detection based on characteristic atomic emission spectra after acid digestion |
| Residual Solvents (e.g., Toluene, Xylene) | Gas Chromatography (GC-FID) | Separation and quantification using flame ionization detection with internal standard calibration |
| Molecular Weight Distribution | Gel Permeation Chromatography (GPC) | Size-exclusion separation calibrated against polystyrene standards to determine Mn, Mw, and PDI |
| pH (1% aqueous solution) | pH Potentiometry | Measurement of hydrogen ion activity using calibrated glass electrode in aqueous dispersion |
| Volatiles Content | Thermogravimetric Analysis (TGA) | Mass loss measurement upon heating under nitrogen to quantify non-volatile residue |
Technical Specifications of 68937-54-2
| Test Item | Specification |
|---|---|
| Appearance | Clear, colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.420–1.435 |
| Relative Density (20°C/25°C) | 0.97–1.02 g/cm³ |
| 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 68937-54-2
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 68937-54-2
Industrial 68937-54-2 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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